RoHS Compliant READ THE INSTRUCTION MANUAL INSTRUCTION MANUAL MANOSYS PRESSURE TRANSMITTER EMT1 TR-EMT1-E06 653-0031 1-2- 3,Nishi-shiriike-cho,Nagata-ku,Kobe,Japan TEL078-631-6000 FAX078-631-6020
Ⅰ. SPECIFICATIONS OF MANOSYS PRESSURE TRANSMITTER EMT1 Types Pressure range code EMT1 A 0 FM D 100 (example) Pressure range Max. value of scale Unit Pipng connector Output Type D E FV FM 0 1 2 3 4 A B Pa kpa For vinyl or plastic tube For metal tube Two wires method from 4 to 20 ma DC Four wises method from 4 to 20 ma DC Four wises method from 0 to 1 ma DC Four wises method from 0 to 5 V DC Four wises method from 1 to 5 V DC Drip-proof indoor-use type Exposed terminal connection type Pressure ranges and characteristics Pressure range codes Pressure ranges Accuracies (at 20 ) 1 Temperature characteristics (zero + span) from 0 to 40 Withstanding pressures of pressure receiving element (refer to p.10) Pa, kpa D 10 0 ~ 10 Pa D 15 0 ~ 15 Pa D 20 0 ~ 20 Pa ± 2 % FS ± 0. 2 % FS/ D 30 0 ~ 30 Pa D 50 0 ~ 50 Pa D 75 0 ~ 75 Pa D 100 0 ~ 100 Pa 10 kpa D 150 0 ~ 150 Pa D 200 0 ~ 200 Pa D 300 0 ~ 300 Pa D 500 0 ~ 500 Pa D 1000 0 ~ 1000 Pa E 2 0 ~ 2 kpa ± 1 % FS ± 0. 1 % FS/ E 3 0 ~ 3 kpa E 5 0 ~ 5 kpa 40 kpa E 10 0 ~ 10 kpa E 20 0 ~ 20 kpa E 30 0 ~ 30 kpa E 50 0 ~ 50 kpa 100 kpa E 100 0 ~ 100 kpa 150 kpa D +-10 D +-20 D +-30 D +-50 D +-100 D +-200 D +-300 D +-500 D +-1000 E +-2 E +-3 E +-5-10 ~ +10 Pa -20 ~ +20 Pa -30 ~ +30 Pa -50 ~ +50 Pa -100 ~ +100 Pa -200 ~ +200 Pa -300 ~ +300 Pa -500 ~ +500 Pa -1000 ~ +1000 Pa -2 ~ +2 kpa -3 ~ +3 kpa -5 ~ +5 kpa ± 2 % FS ± 0. 2 % FS/ ± 1 % FS ± 0. 1 % FS/ 10 kpa 20 kpa
Pressure measuring method Gas to be measured Pressure receiving element Measuring differential pressure Air or non-corrosive gas (not liquid) Diaphragm (silicon rubber) Withstanding pressure of instrument body 500 kpa (refer to p.10) Standard installation position Upward horizontal (0 ± 5 ) Conversion method of electric signal Output and transmission method Variable inductance 1. Two wires method Output signal from 4 to 20 ma DC (load resistance 500 Ω or less) Power supply voltage 24 V DC ± 10% (ripple Within 0.2 V P-P) Insulation resistance 2. Four wires method Output signal from 4 to 20 ma DC (load resistance 500 Ω or less) 0 to 1 ma DC (load resistance 5 kω or less) 0 to 5 V DC (load resistance 10 kω or more) 1 to 5 V DC (load resistance 10 kω or more) Power supply voltage 100 V AC ± 10 % 50 / 60 Hz Approximately 2 VA Between each terminal and case 20 MΩ or more (500 V DC megger) Medium and ambient temperature 0 to 50 (no freezing ) Ambient humidity 90 % RH or less (no dewing) Withstanding vibration 5 to 10 Hz Amplitude 10 mm, 10 to 50 Hz Acceleration 39 m / s 2 (each two hours on triaxial directions) Withstanding impact 100 m / s 2 (each two hours on triaxial directions) Material of the outer case Aluminum die-cast, Painted outer case surfaces (paint color gray) Applicable piping Piping connector polarity 1. Vinyl, plastic or rubber tube (I.D. 6) Applicable model attached with piping connector for vinyl or plastic tube 2. Metal tube (O.D. 6 ± 0.1) Applicable model attached with piping connector for metal tube 3. Hard plastic tube (O.D. 6 I.D. 4) Optional inner sleeve set (XIN 6 4 ) is needed for type attached with piping connector for metal tube. "HIGH" is marked on high pressure side and "LOW" on low pressure side. Mass EMT1A Approximately 1100 g EMT1B Approximately 960 g Accessory Nil Conformed standards RoHS Directive (2002/95/EC) (Products in compliance with the RoHS carry G or [[G]] mark on the label of product itself and on each package.) Caution For flammable gas, be sure to provide by intrinsically-safe system. (EMT1H S) 2
Ⅱ. OUTLINE DRAWING EMT1A (drip-proof indoor-use type) EMT1B (exposed terminal connection type) 100 4 φ 5 installation long holes 100 4 φ 5 installation long holes 88 88 ± 0.3 88 88 ± 0.3 100 116 4 φ 5 holes or 4 M4 holes tapped Panel cut size 32 91 115 116 ± 0.3 G 1/2 internal thread M4 terminal screws 4 φ 5 holes or 4 M4 holes tapped Panel cut size LOW HIGH 32 φ 7 94 100 116 116 ± 0.3 LOW HIGH 55 55 Ⅲ. ELECTRONICS CIRCUIT BLOCK DIAGRAM Two wires method Four wires method Span set Zero set Span set Zero set Piping connector (H) Amplifying Wave detection Linearizer Out put Oscillation 4 to 20mA DC 4-3 + 2-1 + External connection instrument Power supply DC 24 V E Current check terminal (4 to 20mA DC) Piping connector (H) Amplifying Wave detection Linearizer Out put Oscillation Power supply 4 to 20mA DC 0 to 1mA DC 0 to 5V DC 1 to 5V DC 4-3 + 2 1 External connection instrument No power supply needed for Manosys Transmitter E 100V AC 50/60Hz power supply input Piping connector (L) Diaphragm Grounding Piping connector (L) Diaphragm PT Grounding 3
Ⅳ. EXTERNAL CONNECTION DIAGRAM Two wires method Check terminal from 4 to 20 ma Four wires method 1 2 1 2 Power supply AC 100 V 50 / 60 HZ EMT 1 Grounding EMT 1 Grounding 4 3 4 to 20 ma Power supply DC 24 V 4 3 4 to 20 ma 0 to 1 ma DC 0 to 5 V DC 0 to 5 V DC Receiving equipment Receiving equipment Two wires method Manosys transmitter receives 24V DC power supply from outside and using power supply wiring, transmits 4 to 20mA DC signal to external receiver units. Note Manosys receiver is equipped with DC power supply for two wires method Manosys transmitter, therefore,in using combination with Manosys receiver, there is no need of the DC power supply equipment which is separately available. Two wires method Manosys transmitter can monitor output signal during operation, if they are connected with ampere meter with internal resistance of less than 10Ω to check terminal. Be careful about connection of two wires method Manosys transmitter and four wires method Manosys transmitter as see figures they are reverse in terms of current flow. Four wires method Manosys transmitter, which receives 100V AC power supply, generates 24V DC inside transmitter to work transmitting output signal to external receives. Transmission output diagram (differential pressure - output signal) For single pressure range For zero center range For single pressure range For zero center range Output signal (ma) 20mA(5V) 12mA(3V) 4mA(1V) 0 0 50 100-50 0 +50 Output signal (ma) 1mA(5V) 0.5mA(2.5V) 0mA(0V) 0 50 100-50 0 +50 Pressure (% FS) Pressure (% FS) Ⅴ. INSTALLATION AND TRIAL RUNNING 1. Installation Install this instrument at horizontal position (inclination angle at 5 ). If installation surface is vertical, use the installation bracket on vertical wall to install horizontally. (refer to p.8) Take the space of 0.5 m above the transmitter for the purpose of adjustment and maintenance. Do not install the instrument outdoors directly. If you need to get it installed outdoors directly, store the instrument at the storage casing with dew-proof construction. Avoid using where the instrument is subject to vibration, big impact and high humidity. Do not use at the place where corrosive gas (such as sulfuric gas and ammonia gas etc.) is present. Try to use the instrument away as far as possible from intensified power source and the unit generating high frequency (high frequency welder and high frequency sewing machine etc.). The instrument is not designed for measurement of combustible gas and installation where explosive danger risk area (hazardous area) exists. For flammable gas, be sure to provide by intrinsically-safe system (EMT1H S). 4
2. Pressure of measurement and connection of piping a) Measurement of positive pressure Connect the tube to the high pressure side piping connector (indicated by red color or letter H). The lower pressure port (blue or L) should opened to atmosphere, but do not remove the piping connector. b) Measurement of negative pressure Connect the tube to the low pressure side piping connector (blue or L). The high pressure port (red or H) should be opened to atmosphere, but do not remove the piping connector. c) Measurement of differential pressure Connect the tube from the high pressure piping connector to the high pressure port (red or H) and from the low pressure piping connector to the low pressure port (blue or L). Caution Measurement of single pressure using an instrument with zero point center range. Connect the tube to the high pressure side piping connector (red or H). In this case again, leave the piping connector attached to the low pressure side, which is opened to atmosphere. The single pressure is as displayed on a zero point center scale (+-). 3. Caution of piping a) Prohibition of common piping Piping each of pressure detectors and pressure receiving instruments tube exclusively dedicated for it, and do not connect the piping commonly with the adjacent system as shown in the right figure. Common piping causes measurement error because the pressure of each system interferes. Passageway Independent piping Room A Room B EMT1 EMT1 Passageway Common piping Room A Room B EMT1 EMT1 b) Prevention of clogged piping due to drain If drain remains within the line, it causes measurement error. Be sure to install the pressure receiving instrument above the pressure outlet port of the pressure detector and arrange the line so that the drain water should not remain in the slack piping. I f the arrangement mentioned above in not possible, install a drain tank within the line as shown in the right figure and clean it once in a while. After the cleaning of the tank, check that the air tightness is fully kept. c) Measurement of high temperature gases In the pressure measurement of high temperature gas, use the pressure detector (pitot tube) made of the heat-proof metal (such as stainless steel), and connect it with the pressure receiving instrument through a metal tube which is long enough to cool down the high temperature gas. Installation diagram of drain tank Drain Drain tank d) Errors caused by long distance piping The speed of response is delayed when the product is used for remote monitoring. In such application, the I.D. of the connection tube should be as large as possible. The time constant is almost inversely proportional to the inner cross sectional area of the piping. If the piping conditions of the high and low pressure side are significantly different, the difference in the piping resistance between high and low puressure side causes the difference in pressure transmission time, and the measurement becomes inaccurate. 5
4. Wiring and connection < EMT1A > can be used for cabling or conduit wiring. In addition, try to use wiring accessory or connecting accessories that is separately available. Use shielded wire for input and output wiring on current and voltage signal, and do not put them near power line. Moreover, do not let it go through the same conduit with power line. Use two core shielded wiring for four wires method cable and try to minimize the induction problems coming from AC power supply of the same cable supply. Exercise care about terminal connection number because it is different according to types. Make sure about a code of terminal connecting part on the terminal block, in accordance with the external connection diagram. Use a crimping terminal suitable for M4 terminal screw. (refer to bellow the figure) Provide the the instrument on the grounding terminal with the class D grounding (grounding resistance is 100 Ω or less). Get grounding at the foot of installed unit. Also, EMT1A can get it from the grounding terminal inside the upper cover. Make a one point grounding at the one end of shielded output signal cable. φ9 φ8.2 φ4.3 5. Zero adjusting 1) Since zero point of the instrument is changed according to mounting posture, therefore, after installation of horizontal posture is completed, be sure to perform zero adjustment. 2) After making sure that there is no mistake about wiring and connection, supply each equipment with power and start a warm-up for 10 minutes. 3) Remove tubing of the instrument from High pressure side as well as Low pressure side and vent the atmosphere. 4) Take out the upper cover of the instrument, turn the zero set adjuster inside and set zero point output of the instrument at the value indicated on the table below. 5) As for span set adjusting, it has been adjusted already at our factory. Do not handle it. < EMT1A > Do not handle it. Zero set E < EMT1B > Printed bord Do not handle it. Zero set Out put signal table Output signal (DC) For single pressure range Zero point For zero point center range Zero point 4 to 20mA 4.0mA 12.0mA 0 to 1mA 0.0mA 0.5mA 0 to 5V 0.0V 2.5V 1 to 5V 1.0V 3.0V 6
6. Connectors and piping a) VT connector for vinyl or plastic tube, resin-made [ installed ] These are connectors for vinyl, plastic or rubber tubes. Be sure to use I.D. 6 and thickness of 1 mm or more. However, the vinyl or plastic tube (2 or more wall thickness) with enough withstanding pressure (including vacuum pressure) is required when the instrument range or the line pressure is higher more than 50 kpa. VT type connector Product code KGAT1VT MT type connector Product code KGAT1MT b) MT connector for metal tube, brass-made [ option ] This connector can be connected to the metal tube made from copper, aluminum and so on. (O.D. 6, the tolerance ± 0.1, ring joint type) In case of connecting with stainless tube, use MTW connector. When this connector is connected to hard plastic tube (O.D. 6, I.D. 4), remove the brass-made sleeve and use the resinous inner sleeve set (XIN6 4) that is the optional accessory. (Fig. Ⅴ -1) Inner sleeve set for plastic tube Product code XIN6X4 inner (resin) sleeve (resin) plastic tube (Fig. Ⅴ -1) c) Inner sleeve set [ option ] You need this to connect hard plastic tube (O.D. 6, I.D. 4) to the connectors for metal tube. (Fig. V-1) MTW type connector g) MTW connector (double ring joint type) stainless steel made [ option ] This is connector can be connected to stainless tube (O.D. 6, the tolerance ± 0.1). Product code KGAT1MTW-S 7
Ⅵ. ACCESSORY FOR MANOSYS PRESSURE TRANSMITTER (OPTION) 1. Installation bracket on vertical wall For installation bracket on vertical wall. Install this instrument at horizontal position (inclination angle at 5 ). If installation surface is vertical, use the installation bracket on vertical wall to install horizontally. Take the space of 0.5 m above the transmitter for the purpose of adjustment and maintenance. 135 8 φ5 installation holes for Manosys Transmitter Product code BRKT-EMT1 55 25 100 1.6 135 110 4 installation holes on wall 2. Accessory for wiring and connection There are two indoors wire connection methods and each will require dedicated accessory. a) For wiring Plastic ground is used to wiring transmitter with instrumentation cable. Choose the plastic ground of the size that rubber bush hold external of cable as shown right table. Be carefully O.D. of cable Plastic ground G 1/2 φ14 Product code 9 23 14 15 φd Rubber bushing color Rubber bushing Applicable cable outer diameter (mm) Min. Max. XAC4-2 Black 6.5 9.0 XAC4-3 Red 8.5 11.0 XAC4-4 Green 10.5 12.5 φ14.6 b) For wiring conduit When you wire the conduit tube of normal diameter 19 or pliable metal conduit throughout the conduit tube, use the adaptor for conduit as shown right figure. Because wire inlet size of the transmitter differ by internal thread of G 1 / 2. Adaptor for conduit 25 10 G 1/2 φ15 C19 Thread for cable conduit 22 Product code ADPA-EMT1 8
Ⅶ. LINE PART ACCESSORY Pulsating protector In case of strong turbulent flow of medium air that causes abnormal movement of pointer and output of transmitter, installing a pulsation protector applicable pressure range one each on H side and L side on the piping way between pressure sensor and the instrument. Outline drawing for pulsating protector For vinyl or plastic tube 75 For metal tube Hex.12 Hex.12 Product code Applicable range (max. value) For vinyl or plastic tube For metal tube Pa, kpa RS-VT6-02 RS-MT6-02 200 Pa or less RS-VT6-03 RS-MT6-03 300, 500, 1000 Pa RS-VT6-04 RS-MT6-04 2, 3, 5, 10 kpa RS-VT6-06 RS-MT6-06 20 kpa or more φ6±0.1 49 φ6±0.1 Corrosive gas absorber In case of measurement of gas which corrodes the material of the instrument, installing that corrosive gas absorber one each on H side and L side each on piping way between pressure detector prolong instrument life. Outline drawing for corrosive gas absorber For vinyl or plastic tube φ27 Granular activated carbon For metal tube Hex.12 Hex.19 150 For vinyl or plastic tube Product code FG-VT6-S For metal tube Product code FG-MT6-S φ6±0.1 138 φ27 φ6±0.1 Air filter for instrument For measurement of dusty air, install air filter for instrument one each on H side and L side in the middle of piping between the pressure detector and the instrument. According to the condition of clogging inside filter, carry out periodically replacement of filter element as well as cleaning of the pressure detector and piping. Outline drawing for instrument air filter For vinyl or plastic tube Hex.17 50 For vinyl or plastic tube For metal tube For metal tube Hex.17 Hex.12 Product code AF-VT6 Product code AF-MT6 φ6±0.1 38 φ6±0.1 9
Ⅷ. PERIODIC INSPECTION Generally speaking, it is important not to exert external stress to keep life and reliability of the instrument for a long time. Proper use of this instrument will ensure its faultless service over many years without any necessity of periodic lubrication. However, it is recommended that it is subjected to periodic inspection (calibration) once a year. Ⅸ. PRODUCT WARRANTY Warranty Period This product warranty is valid for one year from the date of delivery to a place specified by an ordering party who has transacted directly with Yamamoto Electric Works Co., Ltd. Coverage If a product breaks down due to a reason for which we are responsible during the warranty period and you return the product to us, we will either repair or replace the product free of charge. This warranty does not cover (1) Usage of the product under any inappropriate conditions or environment contrary to what is described in our product catalog, specifications or manual. Handling or usage of the product other than as described in our product catalog, specifications or manual. (2) Breakdown due to a reason other than a fault within our product. (3) Any product that has been modified or repaired by a party other than us. (4) Any breakdown due to a reason that was not foreseeable based on scientific and technical standards applied at the time of shipment. (5) Any breakdown due to a reason not attributable to us such as a natural calamity or other disaster. These terms of warranty represent our entire liability with respect to the product, and we shall have no liability for any other loss arising in connection with a breakdown of the product. *This product warranty is only valid within Japan. This document is a translation from the original Japanese version, and the original Japanese version has priority over this translation. Be sure to refer to the original Japanese for the details of this warranty. 10
Caution (critical damages to the product can be caused if not avoided.) Inrush of over-loading The diaphragm and the retainer are broken if the pressure exceeding the withstanding pressure of the receiving element is applied to the instrument. The case body and the transparent cover of the instrument are broken if the pressure exceeding the withstanding pressure of the instrument body is applied to the instrument. Dropping the product If a Manostar product is dropped onto a desk or floor, not only its exterior but also interior mechanism is broken. Cleaning with organic solvent Use a cloth soaked with water-diluted neutral detergent to wipe the surface of a product. Using of organic solvent causes damage on the surface.. Wrong terminal connection If the signal input and output terminals are connected to the power supply, the internal mechanism burns out. The withstanding pressure of the pressure receiving element means ; The max. pressure under which the diaphragm withstands distortion or breakage (withstand single pressure) The single pressure acting on either H or L side. The withstanding pressure of the instrument body means ; The max. pressure under which the instrument body withstand safely without breakage (double side withstanding pressure) The pressure acing on both high and low sides. Note The withstanding pressure of the instrument body is not the pressure under which the airtigh t ness of the instrument is guaranteed. Caution I f the pressure exceeding the withstanding pressure of the pressure receiving element is applied to both L and H sides at the same time, the imbalance of the ultimate pressure arising from the difference in the capacity between the L side and H side chambers or tube. It may cause the pressure exceeding the withstanding pressure and the breakage or distortion of the diaphragm. When applying the pressure exceeding the withstanding pressure of the diaphragm from both H and L sides at the same time, increase the pressure slowly and gradually. Likewise, in relieving the pressure, decrease the pressure slowly. <Prior notice> The specifications and description of the product explained in this instruction manual may be subject to change without prior notice because of modification and the like. 11