Clogging Indicators Sections

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1 Clogging Indicators Early warning pressure devices protect the hydraulic circuit from contamination, alerting the operator that the filter element is near capacity and must be changed. The clogging indicator is typically set to trip at -bar ( psid) below the filter bypass setting, to allow the operator sufficient time for element change-out. Available in visual, combo electrical/visual, as well as an extensive list of other options and certifications. A comprehensive offering of clogging indicators ensures that any application can be accommodated. Clogging Indicators Sections Contents age: Introduction General Indicator Type Drawings Standard Indicators Vacuum Return line Differential pressure Mobile Indicators Return line Differential pressure ATEX Indicators Return line Differential pressure UL/CSA Indicators Return line Differential pressure Model Code - Standard Dual Indicator / Gauge Blocks G G G6 G8 G G9 G0 G G G6 G6 G8 G0 N#0088 / 0.6 / FIL G

2 urpose of Indicators Clogging indicators are warning devices that signal visually and/ or electrically that the filter element is filled with contaminants and should be changed or cleaned. These devices activate (trip) when the flow of fluid causes a pressure drop across the filter element that exceeds the indicator setting. In filters that incorporate bypass valves, contaminated fluid will bypass the element if the operator does not respond to the indicator warning signal within a reasonable time. In non-bypass filters, if the indicator warning is not heeded, the pressure across the filter will build up to the point where system performance is degraded, the element fails, or the system relief valve is actuated. The indicator is set to trip well before the element becomes fully clogged ( psid / bar lower than bypass), thereby giving the operator sufficient time to take corrective action. The indicator warning may be a visual signal at the filter site (pop-up button, light, etc.); or, some form of signal at a remote location (trouble light, sound alarm, etc.). In some critical applications, where contamination is intolerable, the signal from the indicator may be used to shut down the system so that personnel must immediately service the unit. Some users install filters without indicators, preferring instead to change and/or clean elements according to a fixed time schedule or based on number of hours of operation. There is some risk in utilizing this approach. It may be difficult to establish a reliable schedule for installing new elements because the rate of dirt ingression is not known, and, in fact, may vary from time-to-time and from machine-to-machine. Use of a clogging indicator has two main benefits: first, it eliminates the need to guess when the element will clog; second, it avoids the unnecessary cost of replacing elements too soon. Indicator Settings In a majority of applications, a HYDAC indicator is set to trip at 5 psid ( bar) below the bypass valve cracking pressure; or, for a non-bypass filter, at 5 psid below the element design changeout pressure. Typically, a HYDAC pressure filter bypass valve begins to crack at 87 psid (6 bar), so the indicator is set to trip at 7 psid (5 bar). A HYDAC return filter ordinarily begins to bypass at psid ( bar), so the indicator is set to trip at 9 psid ( bar). Consequently, the operator has a period of time in which to change or clean the element before the bypass valve opens and passes contaminated fluid to sensitive components downstream of the filter. Typically, the time from indication to bypass is 5-5% of the life of the element. For instance, if the normal service life of the element is 00 days, there is a grace period of 5-5 days before the filter begins bypassing. Nevertheless, it is advisable to change the element as soon as the indicator trips. Non-standard indicator settings are often employed for various reasons. For instance, in lubrication systems, filters may not be allowed to have a high pressure drop, therefore, the indicator may be set to trip at less than 5 psid. When the filter is installed on the suction side of a pump, it is a common practice to limit the across the filter to psid, and to set the indicator at a correspondingly low amount. Certain HYDAC non-bypass filters, such as the DFDK duplex series and DFZ series of sandwich filters, utilize indicators that are set at 6 psid (8 bar) in order to maximize the dirt retention and service life of the elements. In most cases, HYDAC pressure and return line filters bypass at higher pressures than other commonly used filters, meaning that indicator settings also are higher than usual. This has the advantage of extending element service life. Types of Indicators Filter assemblies may be ordered with or without indicators. When ordered with an indicator, the assembly model code includes a letter symbol for the indicator, such as B, C, or D. When ordered separately, an indicator has its own complete model code, as described subsequently in this brochure. A type B or BM visual indicator is suitable when only a local warning is required. When it is necessary to signal a remote warning device, control panel, or LC, one of the electric switches should be specified. Various kinds of switches are available to provide a range of electrical configurations, contact ratings, and connections. The D indicator incorporates a switch and built-in light for both local and remote warning signals. Special Indicators Mobile indicators These indicators have been developed for special applications and are fitted with AM, Deutsch and Junior ower Timer plugs. ATEX indicators These indicators are used in potentially explosive locations and are subject to the ATEX Equipment Directive 9/9/EC and the ATEX Operator Directive 999/9/EC. UL and CSA indicators Indicators which are exported to the USA and Canada often require classification according to current UL and CSA standards. The UL and CSA symbols are found on many products, particularly in the field of electrical engineering. G N#0088 / 0.6 / FIL

3 Key Features Automatic vs. Manual Reset All indicators with electric switches reset automatically to their original position when the pressure across the filter drops below trip pressure. This is true, also, for the type B visual indicator. However, on the type BM visual indicator with manual reset, the signal arm extends once the trip pressure is exceeded and remains that way until physically reset. The advantage is that the indicator signals that the element is dirty even after the system is shut down, thus, simplifying maintenance. Thermal Lockout When mobile and other equipment is started in the cold, the hydraulic or lube fluid is likely to be highly viscous until it approaches normal operating temperature. The high pressure drop created by a highly viscous fluid can trip the indicator and falsely signify that the element is clogged. An optional thermal lockout device, available on many HYDAC electric indicators, prevents the indicator from tripping until the fluid reaches a certain specified temperature. The device consists of a switch in series in the indicator circuit, which is caused to make or break by a bi-metal strip that alters in shape according to temperature. The thermal lockout feature may be chosen so that the indicator is deactivated at a fluid temperature less than 00 F ±5 (called T00). Because electric indicators automatically reset once the fluid heats up, thermal lockout is necessary only when a false signal of filter condition during cold start-up poses a problem. Single ole, Double Throw Switches (SDT) HYDAC s differential pressure and most static pressure electrical indicators contain single-pole, double-throw switches. This provides the choice of normally open or normally closed contacts when the pressure differential is below trip-point. Whether the contacts are normally open (N/O) or normally closed (N/C) is determined by the way in which the indicator is wired on site. Magnetic Coupling Most of HYDAC s indicators employ magnetic coupling, which separates the fluid from the actuating device. The benefit is that there is no need for a dynamic seal, therefore, far less chance of fluid leakage under high system pressure. Interchangeability HYDAC indicators are designed for use only with HYDAC filters, and should not be applied to other makes of filters. Certain differential pressure indicators can be used in non-filter applications when mounted on special blocks. Detailed information regarding blocks of various kinds is presented subsequently in this brochure. Operation FILTER CLOGGING INDICATORS In the drawings on the following page, examples of two types of differential pressure indicators and a static pressure indicator are provided. Application Guidelines Differential pressure indicators react to the pressure drop across the filter that is caused by the flow of fluid through the filter housing and element. These devices measure the difference in pressure upstream and downstream of the filter element, regardless of the system pressure. They are utilized in most pressure and inline return filters. Static pressure indicators measure only the build-up of pressure upstream of the filter element (downstream pressure is ambient - tank vented to atmosphere). Consequently, if any components are located downstream of the filter, the indicator will measure the pressure drop caused by the filter and that component, thus, causing a false reading of across the filter. As a result, static indicators are recommended only on filters that discharge directly to vented tanks and have minimal back pressure. A filter that incorporates a differential pressure indicator should be used whenever there is a significant resistance to flow in the line after the filter, even when system pressure is relatively low. For example, the filter in the feed line of a lube system requires a differential pressure indicator, although the system pressure may be low. Differential ressure Indicator Operation As the differential pressure across the filter increases, the piston / magnet assembly is driven down against a spring until the attractive force between the magnet and indicator pin (Type ) or a switch actuator lever (Type ) is reduced sufficiently to allow the indicator to trip. In a visual indicator (Type ), tripping results in the indicator pin rising and giving visual indication that the filter must be serviced. In an electric indicator (Type ), tripping causes a switch to make or break, permitting a remote indication to warn of the need for servicing. When the drops below the trip pressure for any reason, (installation of a clean element, heating of the oil, etc.), the piston/ magnet assembly returns to its original position. With a visual indicator, the pop-up indicator pin may then respond in one of two ways: () With Manual Reset (type BM) the pin remains extended, even after the system is shut down, and must be physically pushed down to reset () With Automatic Reset (type B) the indicator pin retracts to its original position along with the piston. With all electric indicators, the circuit is automatically restored to its original normally closed or normally open position once the drops below the trip setting. Static ressure Indicator Operation Increasing pressure upstream of the filter acts upon a diaphragm in the indicator (Type ) and causes the indicator pin to overcome an opposing spring force until it trips at a pre-set pressure. The indicator pin automatically resets once pressure is reduced below the trip pressure. Electric static pressure indicators, which also operate mechanically, are available as well. These too, reset automatically. Note: Certain indicators have a red/ yellow/ green display in addition to, or instead of, the pop-up indicator pin. N#0088 / 0.6 / FIL G

4 General Indicator Type Drawings: TYE Differential ressure Visual Indicator (B/BM) Replaceable Dome Cap - Standard Indicator in Cap Spring iston Spring lug Housing rofile Seal High ressure Side (before element - dirty side) O-ring Low ressure Side (after element - clean side) TYE Differential ressure Electric Indicator (C or D) Electrical Connector Type D (with Lamp) Electrical Connector Type C Housing iston O-ring Spring lug rofile Seal High ressure Side (before element - dirty side) Low ressure Side (after element - clean side) TYE Static ressure Visual Indicator (B/BM) Indicator pin (Red) Standard without Dome Cap; (For Indicator with optional Dome Cap contact HYDAC) iston Housing Spring Diaphragm O-ring Threaded Body Fluid ort High ressure Side (before element - dirty side) G N#0088 / 0.6 / FIL

5 Notes FILTER CLOGGING INDICATORS N#0088 / 0.6 / FIL G5

6 Specifications of Vacuum Indicators VMF x UE.x Visual-analog, scale indication Weight 0. lbs (5 g) -.5 psi to 0 psi (- bar to 0 bar) -0. psi to 0 psi (-0.7 to 0 bar) continuous - F to 0 F (-0 C to 60 C) [ø.97] ø50 [~.] ~.5 Thread G /8 * Lbf-ft (5 Nm) G/8 VMF UE.0 VR x UE.x Visual-analog, scale indication Weight 0.8 lbs (5 g) -.5 psi to 0 psi (- bar to 0 bar) -0. psi to 0 psi (-0.7 to 0 bar) continuous - F to 0 F (-0 C to 60 C) Lbf-ft (0 Nm) HEX 9 [ø.97] ø50 [.97] 50 G/ [0.55] VR UE.0 VMF 0. UE.x / Visual-analog, scale indication Weight 0.8 lbs (80 g) [ø.0] ø5. use w/ psi (0. bar) bypass valve Thread -0 inhg to 0 inhg -0 F to 00 F (-0 C to 9 C) /8 NTF HEX [.0] 0.5 [.8] 6.8 /8 NTF VMF0.UE.0/ G6 N#0088 / 0.6 / FIL

7 Specifications of Vacuum Indicators VR 0. UE.x FILTER CLOGGING INDICATORS Visual-analog, scale indication [ø.0] ø5. Weight 0.8 lbs (5 g) use w/ psi (0. bar) bypass valve -0 inhg to 0 inhg - F to 00 F (-0 C to 9 C) Lbf-ft (0 Nm) HEX 9 [0.55] [.0] 0.5 [.0] 6 [~.5] ~ 6 VR 0. UE.0 VMF x UF.x Weight 0.7 lbs (70 g) [ø.6] ø -.9 psi ±.5 psi (-0. bar ±0. bar) 580 psi (0 bar) - F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) N/O contact [~.] ~ V threaded connection 60 W = 00 VA ~ ohmic.5 A at V = ohmic.5 A at V ~ HEX I 65, terminals I 00 VMF 0. UF.0 G/8 [0.9] 0 VR x UF.x Weight 0.7 lbs (70 g) [ø.6] ø -.9 psi ±.5 psi (-0. bar ±0. bar) 580 psi (0 bar) - F to F (-0 C to 00 C) Lbf-ft (0 Nm) N/O contact [~.] ~0.5 8 V threaded connection 60 W = 00 VA ~ ohmic.5 A at V = ohmic.5 A at V ~ I 65, terminals I 00 VR 0. UF.0 HEX 9 G/ [0.55] N#0088 / 0.6 / FIL G7

8 Specifications of Static Indicators VMF x B.x Visual, red pin Weight 0.9 lbs (8 g) * 9 psi -.9 psi ( bar -0. bar) 0 psi (7 bar) [~0.0] ~5 Stroke [ø0.9] ø0 - F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) [~.7] ~69.5 HEX 0 [~.6] ~57.5 [0.87] G/8 VMF B. VR x B.x visual, red pin Weight 0.0 lbs ( g) * 9 psi -.9 psi ( bar -0. bar) 0 psi (7 bar) [~0.0] ~5 Hub [ø0.9] ø0 - F to F (-0 C to 00 C) Lbf-ft (5 Nm) [~.] ~59.5 HEX 0 [~.87] ~7.5 G/ VR B. VMF x C.x Weight 0.60 lbs (0 g) * 9 psi -. psi ( bar -0. bar) 7 psi -7. psi (5 bar -0.5 bar) 580 psi (0 bar) - F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) 0 V Male connection M0 Female connector to DIN W = 00 VA ~ Ohmic 6 A at V = Ohmic 0.0 to 6 A at max. 0 V ~ VMF C. [~.] ~ HEX [~.56] ~65 [.0] 8 [~.] ~86.5 [0.9] G/8 0 * When presented as a pressure followed by a negative (ex 9 psi -. psi), the. is the lower tolerance. This is not to be interpreted as a range (ex. - 9 psi). The range in this instance would be.6-9 psi. Indicators are not field adjustable. G8 N#0088 / 0.6 / FIL

9 Specifications of Static Indicators VR x C.x FILTER CLOGGING INDICATORS Weight 0.75 lbs (0 g) * 9 psi -. psi ( bar -0. bar) 7 psi -7. psi (5 bar -0.5 bar) 580 psi (0 bar) - F to F (-0 C to 00 C) Lbf-ft (0 Nm) 0 V Male connection M0 Female connector to DIN W = 00 VA ~ Ohmic 6 A at V Ohmic 0.0 to 6 A at max. 0 V ~ VR C. [.0] 8 [.07] ~0.5 [0.55] [.] ~ HEX 9 [.07] ~78 VMF x D.x /-L Visual indicator & electrical switch Weight 0.66 lbs (00 g) * 9 psi -. psi ( bar -0. bar) 7 psi -7. psi (5 bar -0.5 bar) 580 psi (0 bar) - F to F (-0 C to 00 C) [~.] ~ [.0] 8 Thread G /8 Lbf-ft (5 Nm) Connection Block 5 R p, 8, 5, 0 V (depending on the type of light insert) Male connection M0 Female connector to DIN W = 00 VA ~ Ohmic 6 A at 0 V = Ohmic 0.0 to 6 A at max. 0 V ~ VMF D. /-L HEX [~.56] ~65 G/8 [~.56] ~90.5 [0.9] 0 VR x D.x /-L Visual indicator & electrical switch Weight 0.79 lbs (60 g) * 9 psi -. psi ( bar -0. bar) 7 psi -7. psi (5 bar -0.5 bar) 580 psi (0 bar) [*.0] *8 [~.] ~ - F to F (-0 C to 00 C) Lbf-ft (0 Nm) Connection Block 5 R p, 8, 5, 0 V (depending on the type of light insert) Male connection M0 Female connector to DIN W = 00 VA ~ Ohmic 6 A at V = Ohmic 0.0 to 6 A at max. 0 V ~ VR D. /-L0 [~.] ~07.5 [0.55] G/ HEX 9 [~.07] ~78 * When presented as a pressure followed by a negative (ex 9 psi -. psi), the. is the lower tolerance. This is not to be interpreted as a range (ex. - 9 psi). The range in this instance would be.6-9 psi. Indicators are not field adjustable. N#0088 / 0.6 / FIL G9

10 Specifications of Static Indicators VMF x D.x /-LED p Connection Block Visual indicator & electrical switch Weight 0.66 lbs (00 g) * 9 psi -. psi ( bar -0. bar) 7 psi -7. psi (5 bar -0.5 bar) 580 psi (0 bar) - F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) N/O contact V Male connection M0 Female connector to DIN W = 00 VA ~ Ohmic 6 A at V = VMF D. /-LED [~.] ~ HEX [~.56] ~65 G/8 [.0] 8 [~.56] ~90.5 [0.9] 0 VR x D.x /-LED Visual indicator & electrical switch Weight 0.79 lbs (60 g) * 9 psi -. psi ( bar -0. bar) 7 psi -7. psi (5 bar -0.5 bar) 580 psi (0 bar) [*.0] *8 [~.] ~ - F to F (-0 C to 00 C) Lbf-ft (0 Nm) N/O contact [~.] ~07.5 [~.07] ~78 p Connection Block V Male connection M0 Female connector to DIN W = 00 VA ~ Ohmic 6 A at V = VR D. /-LED [0.55] G/ HEX 9 VMF x E.x Visual-analog, scale indication Weight 0. lbs (5 g) * 0 psi to 5 psi (0 bar to 0 bar) 0 psi (7 bar) continuous - F to 0 F (-0 C to 60 C) [ø.97] ø50 [~.] ~.5 Thread G /8 Lbf-ft (5 Nm) * G/8 VMF E.0 * When presented as a pressure followed by a negative (ex 9 psi -. psi), the. is the lower tolerance. This is not to be interpreted as a range (ex. - 9 psi). The range in this instance would be.6-9 psi. Indicators are not field adjustable. G0 N#0088 / 0.6 / FIL

11 Specifications of Static Indicators VMF x E.x /- FILTER CLOGGING INDICATORS Visual-analog, scale indication Weight 0. lbs (98 g) Thread Green Range: 0- / 0-0 psi Yellow Range: -5 / 0-5 psi Red Range: 5-60 / 5-60 psi 60 psi ( bar) -0 F to 00 F (-0 C to 9 C) /8 NTF VMF 0.8 E. /-; VMF. E. /- 0.8 bar Ver: HEX. bar Ver: HEX 7/6 0.8 bar Ver: [ø.0] ø5.. bar Ver: [ø.65] ø /8 NTF 0.8 bar Ver: [.0] 0.5. bar Ver: [0.98] bar Ver: [.8] 6.8. bar Ver: [.59] 0.5 VR x E.x Visual-analog, scale indication Weight 0.8 lbs (5 g) [ø.97] ø50 0 psi to 5 psi (0 bar to 0 bar) 0 psi (7 bar) continuous - F to 0 F (-0 C to 60 C) Lbf-ft (0 Nm) HEX 9 [.97] 50 G/ [0.55] VR E.0 VMF x ES.x Visual-analog, scale indication Weight 0. lbs (5 g) [.8] 0 0 psi to 5 psi (0 bar to 0 bar) 0 psi (7 bar) continuous [ø.97] ø50 - F to 0 F (-0 C to 60 C) Thread G /8 Lbf-ft (5 Nm) [~.0] ~6 [0.9] 0 * G /8 VMF ES.0 N#0088 / 0.6 / FIL G

12 Specifications of Static Indicators VR x ES.x Visual-analog, scale indication Weight 0.8 lbs (5 g) [.8] 0 0 psi to 5 psi (0 bar to 0 bar) 0 psi (7 bar) continuous [ø.97] ø50 - F to 0 F (-0 C to 60 C) Lbf-ft (0 Nm) [~.] ~79 [.0] 6 [0.55] HEX 9 VR ES.0 VMF x F.x Weight 0.5 lbs (70 g) [ø.6] ø 9 psi ±. psi ( bar ±0. bar) 580 psi (0 bar) - F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) N/O contact (N/C as an option) [~.] ~87.5 V threaded connection 60 W = 00 VA ~ Ohmic.5 A at V = Ohmic.5 A at V ~ HEX I 65, terminals I 00 VMF F.0 G/8 [0.9] 0 VR x F.x Weight 0.9 lbs (0 g) [ø.6] ø 9 psi ±. psi ( bar ±0. bar) 580 psi (0 bar) - F to F (-0 C to 00 C) Lbf-ft (0 Nm) N/O contact (N/C as an option) [~.] ~0.5 V threaded connection 60 W = 00 VA ~ Ohmic.5 A at V = Ohmic.5 A at V ~ I 65, terminals I 00 VR F.0 HEX 9 G/ [0.55] G N#0088 / 0.6 / FIL

13 Specifications of Static Indicators VMF x G.x /- A B Weight 0.8 lbs (8 g) * 0 psi ± psi (. bar ±0. Bar) 50 psi (7 bar) -0 F to 50 F (-0 C to C) Thread /8 NT N/O - SDT 0 VDC and 0 VAC x #8- screw terminals VDC Ohmic A at V = Ohmic A at 0 V ~ Terminals I 00 VMF. G.0 / FILTER CLOGGING INDICATORS [~.75] ~70 [0.75] 9. [ø.87] ø7.5 / HEX /8 NT VR x GC.x Electronic / Analog (-0 ma or -0 V) electrical switching contact at 75% and at 00% of pressure setting Analog signal up to 0% of pressure setting constant ma or V Weight 0.75 lbs (0 g) lug can be repositioned in steps of 5º * 9 psi -0% ( bar -0%) 0 psi (7 bar) - F to 76 F (-0 C to 80 C) [.6] 60 Lbf-ft (5 Nm) N/C or N/O, electronic, N positive switching (factory setting) Operating voltage 0-0 V DC [~5.0] ~.5 HEX 0 [~6.00] ~5.5 7 pole plug to DIN 65, G W Ohmic 0. A at 0 V = VR GC.0 /-LED-SQ- [ø.8] ø6 G/ VMF x J.x Weight 0.66 lbs (00 g) * 9 psi -. psi ( bar -0. bar) 7 psi -7. psi (5 bar -0.5 bar) 580 psi (0 bar) [.06] [~.77] ~ 5 - F to 85 F (-5 C to 85 C) Thread G /8 A p B RED WHITE ORANGE GREEN BLACK Lbf-ft (5 Nm) 0 V 7/8 Mini connector (5 IN); Female connector to DIN W = 00 VA ~ Ohmic 6 A at V = Ohmic 0.0 to 6 A at max. 0 V ~ 5 VMF J. [~.5] ~ 90 [0.9] 0 G /8 HEX [~.8] ~ 6 * When presented as a pressure followed by a negative (ex 9 psi -. psi), the. is the lower tolerance. This is not to be interpreted as a range (ex. - 9 psi). The range in this instance would be.6-9 psi. Indicators are not field adjustable. N#0088 / 0.6 / FIL G

14 Specifications of Static Indicators VR x J.x Weight 0.8 lbs (70 g) * 9 psi -. psi ( bar -0. bar) 7 psi -7. psi (5 bar -0.5 bar) 580 psi (0 bar) [.06] [~.77] ~ 5 - F to 85 F (-5 C to 85 C) Lbf-ft (0 Nm) A p B RED WHITE ORANGE GREEN BLACK 0 V 7/8 Mini connector (5 IN); Female connector to DIN W = 00 VA ~ Ohmic 6 A at V Ohmic 0.0 to 6 A at max. 0 V ~ 5 VR J. [~.0] ~ 0 [0.55] HEX 9 [~.95] ~ 75 VMF x J.x Weight 0.60 lbs (0 g) * 9 psi -. psi ( bar -0. bar) 7 psi -7. psi (5 bar -0.5 bar) 580 psi (0 bar) [*.06] * [~.59] ~ F to 85 F (-5 C to 85 C) Thread G/8 Lbf-ft (5 Nm) A p B 0V mm (Micro) connector ( IN); Female connector to DIN W= 00VA~ Ohmic 6A at V= Ohmic 0.0 to 6A at max. 0V~ VMF J. [~.76] ~ 95.5 [0.9] 0 G /8 HEX [~.58] ~ 65.5 VR x J.x Weight 0.75 lbs (0 g) * 9 psi -. psi ( bar -0. bar) 7 psi -7. psi (5 bar -0.5 bar) 580 psi (0 bar) [.06] [~.59] ~ F to 85 F (-5 C to 85 C) Thread G/ A p B Lbf-ft (0 Nm) 0V mm (Micro) connector ( IN); Female connector to DIN W= 00VA~ Ohmic 6A at V= Ohmic 0.0 to 6A at max. 0V~ VR J. [~.0] ~ 0.5 [0.55] HEX 9 [~.05] ~ 77.5 * When presented as a pressure followed by a negative (ex 9 psi -. psi), the. is the lower tolerance. This is not to be interpreted as a range (ex. - 9 psi). The range in this instance would be.6-9 psi. Indicators are not field adjustable. G N#0088 / 0.6 / FIL

15 Specifications of Static Indicators VMF x LE.x Visual (red pin) & electrical switch (00% activation) Weight 0.6 lbs (0 g) * FILTER CLOGGING INDICATORS 9 psi -.9 psi ( bar -0. bar) 0 psi (7 bar) - F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) 5 V Male connection M0 Female connector to DIN W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VMF LE. G /8 [.8] 5 [~.] ~79 HEX 0 [~.] ~ M0x.5 [*.8] *0 [~.5] ~55 [0.9] 0 [.09] 78.5 VR x LE.x Visual (red pin) & electrical switch (00% activation) Weight 0. lbs ( g) [~.] ~79 * 9 psi -.9 psi ( bar -0. bar) 0 psi (7 bar) - F to F (-0 C to 00 C) [~.] ~ Lbf-ft (5 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) 5 V Male connection M0 Female connector to DIN W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VR LE. [.8] 5 HEX 0 M0x.5 [~.8] ~5 [*.8] *0 [.7] 69 VMF x LZ.x Visual (red pin) & electrical switch (75% & 00% activation) Weight 0.5 lbs (0 g) * 9 psi -.9 psi ( bar -0. bar) [~.86] ~ 0 psi (7 bar) F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) 5 V Male connection M0 Female connector to DIN W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VMF LZ. HEX 0 G /8 [.8] 5 [~.] ~ M0x.5 [0.9] 0 [*.8] *0 [.09] 78 [~.5] ~55 * When presented as a pressure followed by a negative (ex 9 psi -. psi), the. is the lower tolerance. This is not to be interpreted as a range (ex. - 9 psi). The range in this instance would be.6-9 psi. Indicators are not field adjustable. N#0088 / 0.6 / FIL G5

16 Specifications of Static Indicators VR x LZ.x Visual (red pin) & electrical switch (75% & 00% activation) Weight 0. lbs (90 g) * 9 psi -.9 psi ( bar -0. bar) [~.86] ~ 0 psi (7 bar) F to F (-0 C to 00 C) Lbf-ft (5 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) 5 V Male connection M0 Female connector to DIN W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VR LZ. HEX 0 [.8] 5 [~.] ~ M0x.5 [.69] [*.8] 68 *0 [~.75] ~ VMF x LZ.x /-DB Visual (red pin) & electrical switch (75% & 00% activation). LEDs (grn=power, yel=75%, red=00%) Weight 0.7 lbs (70 g) [~.9] ~86 G * 9 psi -.9 psi ( bar -0. bar) 0 psi (7 bar) [.6] max F to F (-0 C to 00 C) Thread G /8 [.] 6 Switch Alarm 00% Switch Warning 75% Circuit Board Mounted Red Yellow Green Lbf-ft (5 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) V Male connection G Female connector to DIN 65 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VMF LZ. /-DB G /8 [~.87] ~98 HEX 0 [.8] 0 [0.9] 0 [~.97] ~50 [.07] 78 VR x LZ.x /-DB Visual (red pin) & electrical switch (75% & 00% activation). LEDs (grn=power, yel=75%, red=00%) Weight 0. lbs (90 g) * 9 psi -.9 psi ( bar -0. bar) [~.9] ~86 G 0 psi (7 bar) - F to F (-0 C to 00 C) [.] 6 [.5] Max.60 Switch Alarm 00% Switch Warning 75% Circuit Board Mounted Red Yellow Green Lbf-ft (5 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) V Male connection G Female connector to DIN 65 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VR LZ. /-DB [~.87] ~98 HEX 0 [~.68] [.8] ~68 0 [~.57] ~0 * When presented as a pressure followed by a negative (ex 9 psi -. psi), the. is the lower tolerance. This is not to be interpreted as a range (ex. - 9 psi). The range in this instance would be.6-9 psi. Indicators are not field adjustable. G6 N#0088 / 0.6 / FIL

17 Specifications of Static Indicators VMF x LZ.x /-CN Switch Alarm 00% Switch Warning 75% Red Yellow Green Circuit Board Mounted Visual (red pin) & electrical switch (75% & 00% activation). LEDs (grn=pwr, yel=75%, red=00%) Weight 0.7 lbs (70 g) * FILTER CLOGGING INDICATORS 9 psi -.9 psi ( bar -0. bar) 0 psi (7 bar) - F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) V Male connection G Female connector to DIN 65 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VMF LZ. /-CN.] 6 G /8 [~.9] ~86 [~.87] ~98 HEX 0 G [.6] max. 60 [.8] 0 [0.9] 0 [ [~.97] ~50 VR x LZ.x /-CN Visual (red pin) & electrical switch (75% & 00% activation). LEDs (grn=pwr, yel=75%, red=00%) Weight 0. lbs (90 g) * 9 psi -.9 psi ( bar -0. bar) [~.9] ~86 G 0 psi (7 bar) - F to F (-0 C to 00 C) [.] 6 [.5] Max.60 Switch Alarm 00% Switch Warning 75% Circuit Board Mounted 7 5 Red 6 Yellow Green Lbf-ft (5 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) V Male connection G Female connector to DIN 65 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VR LZ. /-CN [~.87] ~98 HEX 0 [~.68] [.8] ~68 0 [~.57] ~0 VMF x LZ.x /-BO Visual (red pin) & electrical switch (75% & 00% activation) Weight 0.6 lbs (0 g) * 9 psi (or 6 psi) -0% bar (or.5 bar) -0% 0 psi (7 bar) [.87] 7 [*.8] *5 F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) N/O (75%) N/C (00%) V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 [~.80] ~96 G /8 HEX 0 [.9] 9 VMF LZ. /-BO * When presented as a pressure followed by a negative (ex 9 psi -. psi), the. is the lower tolerance. This is not to be interpreted as a range (ex. - 9 psi). The range in this instance would be.6-9 psi. Indicators are not field adjustable. N#0088 / 0.6 / FIL G7

18 Specifications of Static Indicators VR x LZ.x /-BO Visual (red pin) & electrical switch (75% & 00% activation) Weight 0. lbs (5 g) 9 psi (or 6 psi) -0% bar (or.5 bar) -0% 0 psi (7 bar) [.87] 7 [*.8] *5 F to F (-0 C to 00 C) Lbf-ft (5 Nm) N/O (75%) N/C (00%) V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 [~.] ~87 HEX 0 [.57] 0 VR LZ. /-BO VMF x LZ.x /-AV Visual (red pin) & electrical switch (75% & 00% activation) Weight 0.6 lbs (0 g) 9 psi (or 6 psi) -0% bar (or.5 bar) -0% 0 psi (7 bar) [.87] 7 [*.8] *5 F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) N/C (75% and 00%) V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 [~.80] ~96 G /8 HEX 0 [.9] 9 VMF LZ. /-AV VR x LZ.x /-AV Visual (red pin) & electrical switch (75% & 00% activation) Weight 0. lbs (5 g) 9 psi (or 6 psi) -0% bar (or.5 bar) -0% 0 psi (7 bar) [.87] 7 [*.8] *5 F to F (-0 C to 00 C) Lbf-ft (5 Nm) N/C (75% and 00%) V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 [~.] ~87 HEX 0 [.57] 0 VR LZ. /-AV G8 N#0088 / 0.6 / FIL

19 Specifications of Static Indicators VMF x LZ.x /-DC +V 0V V A- Grn Yel Blue Red Schematic with Temperature switch activated (<0 C) Switch Alarm 00% Switch Warning 75% FILTER CLOGGING INDICATORS (75% & 00% activation) w/0 C thermal lockout. LEDs (grn=pwr, blue= below 86 F, yel=75%, red=00%) Weight 0.5 lbs (5 g) 6 psi -0% (.5 bar -0%) 0 psi (7 bar) F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) N/O (75%), N/C (00%) V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 VMF LZ. /-DC Mx [~.87] ~7.5 LEDs [~.7] ~69 [~.09] ~5 G/8 [.65] HEX 0 [.] 6 [0.87] [~.68] ~9 VR x LZ.x /-DC (75% & 00% activation) w/0 C thermal lockout. LEDs (grn=pwr, blue= below 86 F, yel=75%, red=00%) Weight 0.5 lbs (05 g) 6 psi -0% (.5 bar -0%) [.65] 0 psi (7 bar) F to F (-0 C to 00 C) [~.7] ~69 [.09] ~5 +V 0V V A- Grn Yel Blue Red Schematic with Temperature switch activated (<0 C) Switch Alarm 00% Switch Warning 75% Lbf-ft (5 Nm) N/O (75%), N/C (00%) V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 VR LZ. /-DC Mx [~.8] ~7.5 LEDs HEX 0 [~.8] ~8 [.0] 6 VMF x LZ.x /-BO-LED (75% & 00% activation). LEDs (grn=pwr, yel=75%, red=00%) Weight 0.5 lbs (5 g) 6 psi -0% (.5 bar -0%) [.65] 00% alarm 75% warning red yellow +v green 0v 0 psi (7 bar) F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) N/O (75%), N/C (00%) V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 VMF LZ. /-BO-LED Mx [~.87] ~7.5 LEDs [~.7] ~69 [~.09] ~5 G/8 HEX 0 [.] 6 [0.87] [~.68] ~9 N#0088 / 0.6 / FIL G9

20 Specifications of Static Indicators VR x LZ.x /-BO-LED (75% & 00% activation). LEDs (grn=pwr, yel=75%, red=00%) Weight 0.5 lbs (05 g) 6 psi -0% (.5 bar -0%) [.65] 0 psi (7 bar) F to F (-0 C to 00 C) Lbf-ft (5 Nm) N/O (75%), N/C (00%) Mx [~.7] ~ 69 [~.8] ~ 58 00% alarm 75% warning red yellow +v green 0v V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 VR LZ. /-BO-LED [.8] 7.5 LEDs HEX 0 [~.80] ~ 7 G0 N#0088 / 0.6 / FIL

21 Specifications of Differential ressure Indicators VM x B.x FILTER CLOGGING INDICATORS Visual, red/green band automatic reset Weight 0. lbs (55 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 000 psi (0 bar) - F to F (-0 C to 00 C) Lbf-ft ( Nm) VM 5 B. HEX [.06] [.06] [.50] ~6.5 VD x B.x VM x BM.x N#0088 / 0.6 / FIL Visual, red/green band automatic reset Weight 0. lbs (0 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 6000 psi 0 bar - F to F (-0 C to 00 C) 7 Lbf-ft (00 Nm) VD 5 B. Visual, red/green band manual reset Weight 0. lbs (55 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 000 psi (0 bar) - F to F (-0 C to 00 C) Lbf-ft ( Nm) VM 5 BM. * HEX 0 [ø.06] ø [ø.06] ø [.06] [0.0] 5 Stroke [.06] [~.50] ~6.5 [~.7] ~69 G

22 Specifications of Differential ressure Indicators VD x BM.x Visual, red/green band manual reset Weight 0. lbs (0 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 6000 psi (0 bar) [ø.06] ø [0.0] 5 Stroke - F to F (-0 C to 00 C) 7 Lbf-ft (00 Nm) - * [~.7 ~ [.06] - VD 5 BM. VM x C.x Weight 0.6 lbs (0 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 000 psi (0 bar) [*.09] *8 [~.] ~ M0x.5 - F to F (-0 C to 00 C) Lbf-ft ( Nm) 0 V Male connection M0 Female connector to DIN W = 00 VA ~ * Ohmic A at V = Ohmic 0.0 to 5 A at max. 0 V ~ VM 5 C.0 [~.5] ~06 [.06] *0 [~.6] ~67 VD x C.x Weight 0.9 lbs (0 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 6000 psi (0 bar) [*.09] *8 [~.] ~ M0x.5 - F to F (-0 C to 00 C) 7 Lbf-ft (00 Nm) 0 V Male connection M0 Female connector to DIN W = 00 VA ~ * Ohmic A at V = Ohmic 0.0 to 5 A at max. 0 V ~ VD 5 C.0 [~.5] ~05.5 [.06] *0 [~.6] ~67 *Required amperage > 0 ma; for lower amperages, order -SO5 indicators (see Supplementary Details in the Model Code). G N#0088 / 0.6 / FIL

23 Specifications of Differential ressure Indicators VM x D.x/-L Connection block 5 R p FILTER CLOGGING INDICATORS Visual indicator & electrical switch Weight 0. lbs (50 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 000 psi (0 bar) - F to F (-0 C to 00 C) * Lbf-ft ( Nm), 8, 5, 0 V (depending on the type of light insert) Male connection M0 Female connector to DIN W = 00 VA ~ Ohmic A at V = Ohmic 0.0 to 5 A at max. 0 V ~ VM 5 D.0 /-L [~.] ~0 [.06] [*.0] *8 [~.] ~ *0 M0x.5 [~.6] ~67 VD x D.x/-L Visual indicator & electrical switch Weight 0.55 lbs (50 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 6000 psi (0 bar) [*.0] *8 [~.] ~ M0x.5 - F to F (-0 C to 00 C) Connection block 5 R p * 7 Lbf-ft (00 Nm), 8, 5, 0 V (depending on the type of light insert) Male connection M0 Female connector to DIN W = 00 VA ~ Ohmic A at V = Ohmic 0.0 to 5 A at max. 0 V ~ VD 5 D.0 /-L [~.] ~0 [.06] *0 [~.65] ~67 VM x D.x/-LED p Connection block N#0088 / 0.6 / FIL Visual indicator & electrical switch Weight 0. lbs (50 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 000 psi (0 bar) - F to F (-0 C to 00 C) Lbf-ft ( Nm) V Male connection M0 Female connector to DIN W = 00 VA ~ * Ohmic A at V = VM 5 D.0 /-LED *Required amperage > 0 ma; for lower amperages, order -SO5 indicators (see Supplementary Details in the Model Code). [~.] ~0 [.06] [*.0] *8 [~.] ~ *0 M0x.5 [~.6] ~67 G

24 Specifications of Differential ressure Indicators VD x D.x/-LED p Connection block VD x GC.x Visual indicator & electrical switch [~.] ~ Weight 0.55 lbs (50 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 6000 psi (0 bar) - F to F (-0 C to 00 C) 7 Lbf-ft (00 Nm) V Male connection M0 Female connector to DIN W = 00 VA ~ * Ohmic A at V = VD 5 D.0 /-LED Electronic / Analog (-0 ma or -0 V) switch contact at 75% and at 00% trip pressure Weight 0.88 lbs (00 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi -0% (8 bar -0%) 6000 psi (0 bar) - F to 76 F (-0 C to 80 C) 7 Lbf-ft (00 Nm) N/C or N/O, electronic N positive switching (factory setting) Operating voltage 0-0 V DC 7 pole plug to DIN 650, G W Ohmic 0. A at 0 V = VD 5 GC.0 /-LED-SQ- [~.] ~0 [.06] [ø.8] ø6 [*.0] *8 [~.5] ~0.5 *0 lug can be repositioned in steps of 5º *0 M0x.5 [~.65] ~67 [.6] 60 [~5.9] ~50.5 [.06] VL x GW.x Electronic / Analog, (-0 ma) switch contact at 75% and at 00% trip pressure Weight 0.5 lbs (57 g) 9 psi ±5% psi ±5% 7 psi ±5% ressure setting (00%) Indication range p Indication range (p before filter) (output p) Output load Max. switching operating voltage Analog outputs (p before filter & p) ( bar ±5%) 0-7 psi (0-5 bar) ( bar ±5%) 0-7 psi (0-5 bar) (5 bar ±5%) 0-6 psi (0-8 bar) 6 psi (5 bar) El. switch, N positive switching N/C or N/O contacts (factory set.) 00 ma 0-0V DC - 0 ma (max. load resistance 600Ω) Mx/8 pole I 65 5 bar -0 F to 85 F (-0 C to 85 C) Lbf-ft ( Nm) VL 5 GW.0 /-V- *Required amperage > 0 ma; for lower amperages, order -SO5 indicators (see Supplementary Details in the Model Code). [.58] 9 [0.6].6 [.06] [ø.8] ø6 Mx HEX G N#0088 / 0.6 / FIL

25 Specifications of Differential ressure Indicators VM x J.x A p B RED WHITE ORANGE GREEN BLACK Weight 0. lbs (50 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 000 psi (0 bar) - F to 85 F (-5 C to 85 C) Lbf-ft ( Nm) 0V 7/8 (Mini) connector (5 IN); Female connector to DIN W= 00VA~ Ohmic A at V= Ohmic 0.0 to 5A at max. 0V~ 5 VM 5 J. FILTER CLOGGING INDICATORS [*.06] * [~.96] ~ 00.5 [.06] [~.77] ~ 5 HEX 0 [~.8] ~ 60.5 VD x J.x Weight 0.55 lbs (50 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 6000 psi (0 bar) [*.06] * [~.77] ~ 5 - F to 85 F (-5 C to 85 C) A p B RED WHITE ORANGE GREEN BLACK 7 Lbf-ft (00 Nm) 0V 7/8 (Mini) connector (5 IN); Female connector to DIN W= 00VA~ Ohmic A at V= Ohmic 0.0 to 5A at max. 0V~ 5 VD 5 J. [~.96] ~ 00.5 [.06] HEX 0 [~.8] ~ 60.5 VM x J.x Weight 0.6 lbs (0 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 000 psi (0 bar) [*.06] * ~ [.59] ~ F to 85 F (-5 C to 85 C) Lbf-ft ( Nm) [~.96] ~ 00.5 HEX 0 [~.6] ~ 6.5 A p B 0V mm (Micro) connector ( IN); Female connector to DIN W= 00VA~ Ohmic A at V= Ohmic 0.0 to 5A at max. 0V~ VM 5 J. [.06] N#0088 / 0.6 / FIL G5

26 Specifications of Differential ressure Indicators VD x J.x A p B Weight 0.9 lbs (0 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 6000 psi (0 bar) - F to 85 F (-5 C to 85 C) 7 Lbf-ft (00 Nm) 0V mm (Micro) connector ( IN); Female connector to DIN W= 00VA~ Ohmic A at V= Ohmic 0.0 to 5A at max. 0V~ VD 5 J. [~.96] ~ 00.5 [*.06] * [.06] [~.59] ~ 0.5 HEX 0 [~.6] ~ 6.5 VD x LE.x Visual (red pin) & electrical switch (00% activation) Weight 0. lbs (98 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi (8 bar) - Consult HYDAC 6000 psi (0 bar) F to F (-0 C to 00 C) 7 Lbf-ft (50 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) 5 V Male connection M0 Female connector to DIN W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VD 5 LE. [.8] 5 [~.] ~79 HEX 0 M0x.5 [~.] ~ [*.8] *0 [~.] ~58 [~.] ~ [.06] VD x LZ.x Visual (red pin) & electrical switch (75% & 00% activation) Weight 0.5 lbs (0 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi (8 bar) - Consult HYDAC 6000 psi (0 bar) F to F (-0 C to 00 C) [~.86] ~ [~.] ~ 7 Lbf-ft (50 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) 5 V Male connection M0 Female connector to DIN W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VD 5 LZ. HEX 0 [.8] 5 M0x.5 [*.8] *0 [~.] [.06] [~.] ~58 G6 N#0088 / 0.6 / FIL

27 Specifications of Differential ressure Indicators VD x LZ.x /-DB Switch Alarm 00% Switch Warning 75% Circuit Board Mounted Red Yellow Green FILTER CLOGGING INDICATORS Visual (red pin) & electrical switch (75% & 00% activation). LEDs (grn=pwr, yel=75%, red=00%) Weight 0.5 lbs (5 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi (8 bar) - Consult HYDAC 6000 psi (0 bar) F to F (-0 C to 00 C) 7 Lbf-ft (50 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) V Male connection G Female connector to DIN 65 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VD 5 LZ. /-DB [.] 6 [~.9] ~86 [~.87] ~98 HEX 0 G [.5] max. 60 [*.8] *0 [~.7] ~0 [.06] [~.] ~58 VD x LZ.x /-CN Visual (red pin) & electrical switch (75% & 00% activation). LEDs (grn=pwr, yel=75%, red=00%) Weight 0.5 lbs (5 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi (8 bar) - Consult HYDAC 6000 psi (0 bar) [~.9] ~86 G [.5] max. 60 Switch Alarm 00% Switch Warning 75% Circuit Board Mounted 7 5 Red 6 Yellow Green F to F (-0 C to 00 C) 7 Lbf-ft (50 Nm) N/C or N/O contacts, Reed contacts (change-over contacts) V Male connection G Female connector to DIN 65 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ VD 5 LZ. /-CN [.] 6 [~.87] ~98 HEX 0 [*.8] *0 [~.7] ~0 [.06] [~.] ~58 VD x LZ.x /-BO Visual (red pin) & electrical switch (75% & 00% activation) Weight 0. lbs (97 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi (8 bar) - Consult HYDAC 6000 psi (0 bar) [.87] 7 [*.8] *5 F to F (-0 C to 00 C) A B Switch: Alarm 00% Switch: Warning 75% 7 Lbf-ft (50 Nm) N/O (75%), N/C (00%) V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 VD 5 LZ. /-BO [~.6] ~9 [.06] HEX 0 [~.6] ~0 N#0088 / 0.6 / FIL G

28 Specifications of Differential ressure Indicators VD x LZ.x /-AV Visual (red pin) & electrical switch (75% & 00% activation) Weight 0. lbs (97 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi (8 bar) - Consult HYDAC 6000 psi (0 bar) [.87] 7 [*.8] *5 F to F (-0 C to 00 C) A Switch: Alarm 00% B Switch: Warning 75% 7 Lbf-ft (50 Nm) N/C (75% and 00%) V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 VD 5 LZ. /-AV [~.6] ~9 [.06] HEX 0 [~.6] ~0 VD x LZ.x /-DC +V 0V V A- (75% & 00% activation) w/0 C thermal lockout. LEDs (grn=pwr, blue= below 86 F, yel=75%, red=00%) Weight 0.56 lbs (56 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi (8 bar) - Consult HYDAC 6000 psi (0 bar) F to F (-0 C to 00 C) [.7] ~69 [.] 5 [.65] Grn Yel Blue Red Schematic with Temperature switch activated (<0 C) Switch Alarm 00% Switch Warning 75% 7 Lbf-ft (50 Nm) N/O (75%), N/C (00%) V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 VD 5 LZ. /-DC Mx [.06] ~ LEDs HEX 0 [.0] ~6 [.06] VD x LZ.x /-BO-LED (75% & 00% activation). LEDs (grn=pwr, yel=75%, red=00%) Weight 0.55 lbs (50 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi (8 bar) - Consult HYDAC 6000 psi (0 bar) F to F (-0 C to 00 C) [.7] ~69 [.] 5 [.65] 7 Lbf-ft (50 Nm) 00% alarm 75% warning red yellow +v green 0v N/O (75%), N/C (00%) V Male connection M x 5 W = max. 5 VA ~ Ohmic A at 5 V = Ohmic A at 5 V ~ I 65 Mx [.06] ~ LEDs HEX 0 [.0] ~6 [.06] VD 5 LZ. /-BO-LED G8 N#0088 / 0.6 / FIL

29 Specifications of Return Line Mobile Indicators VMF x FD.x FILTER CLOGGING INDICATORS Weight 0.5 lbs (70 g) 9 psi ±. psi ( bar ±0. bar) 60 psi ( bar) continuous - F to F (-0 C to 00 C) Thread G /8 Lbf-ft (5 Nm) N/O or N/C V Deutsch DT 0-60 W = 00 VA ~ Ohmic.5 A at V = Ohmic A at 0 V ~ I 67 (only if the connector is wired VMF FD.0 /-M0 HEX G /8 [ø0.98] ø5 [0.] [0.5] 9 [~0.8] ~ [~.7] ~69 [~.98] ~50 VR x FD.x Weight 0.0 lbs (90 g) [ø0.98] ø5 9 psi ±. psi ( bar ±0. bar) 60 psi ( bar) continuous - F to F (-0 C to 00 C) Lbf-ft (0 Nm) [~.5] ~6 N/O or N/C V Deutsch DT 0-60 W = 00 VA ~ Ohmic.5 A at V = Ohmic A at 0 V ~ I 67 (only if the connector is wired VR FD.0 /-M0 HEX 9 [~.9] ~8 [~.7] ~5 [~0.55] ~ [0.55] N#0088 / 0.6 / FIL G9

30 Specifications of Differential ressure Mobile Indicators VL x BF.x Visual Weight 0.06 lbs (5 g).5 psi -0% ( bar 0%) 6 psi -0% (.5 bar 0%) 580 psi (0 bar) Thread F to 76 F (-0 C to 80 C) M; M 0. Lbf-ft (0.6 Nm) [0.7] 8 [.66] 67.6 [.] [0.65] VL.5 BF.0 VM x CD.x Weight 0. lbs (00 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 000 psi (0 bar) - F to F (-0 C to 00 C) HEX 0 [~.7] ~69 Lbf-ft ( Nm) N/O or N/C [.87] 7.5 [.0] 6 A p B 8 V - 60 W = 00 VA ~ Ohmic A at V = Ohmic 0.0 to 5 A at max. 0 V ~ I 67 (only if the connector is wired VM 5 CD.0 /-M0 [ø.0] ø8 [.06] VD x CD.x Weight 0. lbs (95 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 6000 psi (0 bar) - F to F (-0 C to 00 C) HEX 0 [~.7] ~69 7 Lbf-ft (00 Nm) N/O or N/C [.87] 7.5 [.0] 6 A p B 8 V - 60 W = 00 VA ~ Ohmic A at V = Ohmic 0.0 to 5 A at max. 0 V ~ I 67 (only if the connector is wired VD 5 CD.0 /-M0 [ø.0] ø8 [.06] G0 N#0088 / 0.6 / FIL

31 Specifications of Differential ressure Mobile Indicators VM x M.x FILTER CLOGGING INDICATORS Single pole (ground switching) Weight 0.07 lbs ( g) 9 psi ±5% ( bar ±5%) 000 psi (0 bar) - F to F (-0 C to 00 C) Lbf-ft ( Nm) N/O or N/C - V - - Terminals I00 VM M.0 [~.7] ~ [0.9] 0 [0.] 8 [~.06] ~ M HEX B CMF* Single pole (ground switching) Weight 0.05 lbs ( g) psi +6 psi ( bar +0. bar) [0.88]. 000 psi (0 bar) Thread F to 00 F (-0 C to 9 C) SAE-8 differential port #8- thread post connector N/O [0.90].9 #8 - threaded post ohmic 00MA at 6VDC Chassis Ground Terminals I00 B0CMF.0 /"-6UNF-B B LEMF* A p B N#0088 / 0.6 / FIL Visual indicator & electric switch Weight 0.8 lbs (80 g) Thread psi +6 psi ( bar +0. bar) 000 psi (0 bar) F to 00 F (-0 C to 9 C) SAE-8 differential port *This clogging indicator is for use with the MF/MFD/MFDS Series only. N/O or N/C (change-over contacts) Female connector to DIN 650 ohmic 5A at 5/50VAC, 5A at VDC I60 B0LEMF.0 [*.8] *0 Red op-up Indicator [.50] 8. /"-6UNF-B [0.88]. [.80] 5.7 G

32 Specifications of Return Line Indicators in accordance with ATEX Directive VR x B.x (ATEX) Can be used on aluminium filters up to Zone Visual, red pin Weight 0.0 lbs ( g) * 9 psi -.9 psi ( bar -0. bar) 0 psi (7 bar) [~0.0] ~5 Hub [ø0.9] ø0 - F to F (-0 C to 00 C) A Lbf-ft (5 Nm) - - [~.] ~59.5 HEX 0 [~.87] ~ G/ - B VR B.0 /-GC VR x B.x (ATEX) Can be used on steel/cast iron filters up to Zone Visual, red pin Weight 0.0 lbs ( g) * 9 psi -.9 psi ( bar -0. bar) 0 psi (7 bar) [~0.0] ~5 Hub [ø0.9] ø0 - F to F (-0 C to 00 C) A Lbf-ft (5 Nm) - - [~.] ~59.5 HEX 0 [~.87] ~ G/ - B VR B.0 /-GC-SO7 VMF x C.x /-ExG Weight 0.9 lbs (5 g) * 9 psi ±7. psi ( bar ±0.5 bar) 90 psi (00 bar) - F to 58 F (-0 C to 70 C) (T6) - F to 76 F (-0 C to 80 C) (T5) Thread G /8 Lbf-ft (5 Nm) 50 V Cable connection G 9 Cable length m 6.5 W = 50 VA ~ Ohmic 0.5 A at 50 V = Ohmic A at 50 V ~ I 65 [~.] [*.8] ~59 *0 HEX 9 [~5.79] ~7 G ATEX designation II G EEx d IIC T6 / T5 VMF C.0 /-ExG G /8 * When presented as a pressure followed by a negative (ex 9 psi -. psi), the. is the lower tolerance. This is not to be interpreted as a range (ex. - 9 psi). The range in this instance would be.6-9 psi. Indicators are not field adjustable. N#0088 / 0.6 / FIL

33 Specifications of Return Line Indicators in accordance with ATEX Directive VR x C.x /-ExG FILTER CLOGGING INDICATORS Weight.0 lbs (70 g) 9 psi ±7. psi ( bar ±0.5 bar) 900 psi (00 bar) - F to 58 F (-0 C to 70 C) (T6) - F to 76 F (-0 C to 80 C) (T5) VR x C.x (ATEX) Can be used on filters up to Zone * Lbf-ft (0 Nm) 50 V Cable connection G 9 Cable length m 6.5 W = 50 VA ~ Ohmic 0.5 A at 50 V = Ohmic A at 50 V ~ I 65 ATEX designation II G EEx d IIC T6 / T5 VR C.0 /-ExG Weight 0.75 lbs (0 g) 9 psi ±. psi ( bar ±0. bar) 580 psi (0 bar) - F to F (-0 C to 00 C) Lbf-ft (0 Nm) * Male connection M0 Female connector to DIN 650 * * VR C. /-GBC [~.07] ~0.5 [0.55] [~.] ~59 HEX 9 [*.09] *8 [*.8] *0 [~6.5] ~66 [0.55] * The clogging indicator is simple electrical operating equipment according to DIN EN and may only be used in intrinsically safe circuits (supplied with manufacturer s declaration and operating instructions). [~.] ~ HEX 9 [~.07] ~78 N#0088 / 0.6 / FIL G

34 Specifications of Differential ressure Indicators in accordance with ATEX Directive VM x B.x (ATEX) Can be used on aluminium filters up to Zone A B Visual, red/green band Automatic reset Weight 0. lbs (0 g) 7 psi - 0% (5 bar -0%) 6 psi ± 0% (8 bar ±0%) 000 psi (0 bar) - F to F (-0 C to 00 C) Lbf-ft ( Nm) VM 5 B. /-GC HEX [.06] [.06] [.50] ~6.5 VD x B.x (ATEX) Can be used on filters up to Zone Visual, red/green band Automatic reset Weight 0. lbs (0 g) 7 psi - 0% (5 bar -0%) 6 psi ± 0% (8 bar ±0%) 6000 psi (0 bar) [ø.06] ø - F to F (-0 C to 00 C) A 7 Lbf-ft (00 Nm) - - * [~.50] ~ [.06] B - VD 5 B. /-GC G VD x C.x /-GEXDIIC Weight. lbs (600 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 6000 psi (0 bar) - F to 0 F (-0 C to 60 C) setting (media temp. max. 75 C) 7 Lbf-ft (00 Nm) Change-over 50 V Cable connection 60 W = 00 VA ~ ohmic A at V = ohmic 0.0 A to 5 A at 50 V ~ I 66 ATEX designation II G Ex d IIC T6 VD C. /-GEXDIIC HEX HEX 0 G/ [ø.8] ø5 [~.5] ~5 [~.8] ~89 [.] 59.5 [0.79] 0 [.06] N#0088 / 0.6 / FIL

35 Specifications of Differential ressure Indicators in accordance with ATEX Directive VM x C.x (ATEX) Can be used on aluminium filters up to Zone Weight 0.6 lbs (0 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 000 psi (0 bar) - F to F (-0 C to 00 C) VD x C.x (ATEX) Can be used on filters up to Zone * Lbf-ft ( Nm) * Male connection M6 Female connector to DIN 650 * * VM 5 C.0 /-GBC-SO5 Weight 0.9 lbs (0 g) 9 psi -0% ( bar -0%) 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 6000 psi (0 bar) - F to F (-0 C to 00 C) 7 Lbf-ft (00 Nm) * Male connection M6 Female connector to DIN 650 * * VD 5 C.0 /-GBC-SO5 * The clogging indicator is simple electrical operating equipment according to DIN EN and may only be used in intrinsically safe circuits (supplied with manufacturer s declaration and operating instructions). [~.5] ~06 [~.5] ~06 [.06] [.06] [*.09] *8 [*.09] *8 [~.] ~ [~.] ~ *0 *0 M6x.5 [~.6] ~67 M6x.5 [~.6] ~67 N#0088 / 0.6 / FIL G5

36 Specifications of Return Line Indicators with UL or CSA approval VR x C.x (CSA) Weight 0.75 lbs (0 g) * 9 psi -. psi ( bar -0. bar) 580 psi (0 bar) F to 8 F (-5 C to 0 C) Lbf-ft (0 Nm) 0 V Male connection G 9 Female connector to DIN W = 00 VA ~ Ohmic A at V Ohmic 0. to A at max. 0 V ~ VR C.0 /-CSA [.8] 0 [~.5] ~08 [0.55] [.0] ~ HEX 9 [~.] ~8 Specifications of Differential ressure Indicators with UL or CSA approval VM x C.x (UL, Standard 508) Weight 0.6 lbs (0 g) 9 psi -0% ( bar -0%) * 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 000 psi (0 bar) - F to 76 F (-0 C to 80 C) Lbf-ft ( Nm) 5 V Male connection G Female connector to DIN W = 00 VA ~ ohmic A at V = VM 5 C.0 /-CRUUS [~.] ~07 [.06] [.08].5 [~.56] ~9.5 HEX 0 [~.68] ~68 G6 VD x C.x (UL, Standard 508) Weight 0.55 lbs (50 g) 9 psi -0% ( bar -0%) * 7 psi -0% (5 bar -0%) 6 psi ±0% (8 bar ±0%) 6000 psi (0 bar) - F to 76 F (-0 C to 80 C) 7 Lbf-ft (00 Nm) 5 V Male connection G Female connector to DIN W = 00 VA ~ ohmic A at V = VD 5 C.0 /-CRUUS [~.] ~07 [.06] [~.56] ~9.5 [.08].5 HEX 0 [~.68] ~68 * When presented as a pressure followed by a negative (ex 9 psi -. psi), the. is the lower tolerance. This is not to be interpreted as a range (ex. - 9 psi). The range in this instance would be.6-9 psi. Indicators are not field adjustable. N#0088 / 0.6 / FIL

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