Analytical Instruments Four-Electrode Conductivity Sensors for Process Monitoring Model TB4

Transcription

1 Data Sheet Analytical Instruments Four-Electrode Conductivity Sensors for Process Monitoring Model TB4 Four-electrode measurement: Increases accuracy, stability, flexibility, and security Highest temperature and pressure ratings in the industry Corrosion resistant stainless steel electrodes: For all conductivity ranges without polarization Smaller measurement electrodes: High current densities are permissible due to feedback circuitry and polarization compensation. Wide rangeability with excellent linearity: Compensates for polarization effects Overcome and compensate for foulant effects. Extent of fouling notification and fouled sensor relay: Makes it possible for conductivity instrument to notify of dirty sensor condition Integral automatic temperature compensators Rugged construction and materials Interchangeable measurement tips Installation flexibility: Several mounting styles Four-Electrode Conductivity Sensors for Process Monitoring Suitable for all measurements: From low to concentrated solutions.

2 Four-Electrode Conductivity Sensors for Process Monitoring ABB is the industry leader in advancements resulting in the increased accuracy, dependability, and environmental limits of on-stream conductivity sensors. The conductivity sensor line permits resolutions of microsiemens per centimeter, full-scale ranges of one siemen per centimeter, pressure ratings to 2,068 kilopascals (300 psig), and temperature ratings of 200-degrees Celsius (392-degrees Fahrenheit). Group A sensors have a measurement range spanning five decades of conductivity or TDS concentration. The ABB four-electrode conductivity system is a patented concept unique in the process industry. It provides ultimate sampling flexibility, sensor reliability, rangeability, and helpful operating and maintenance information. Smart circuitry detects and compenstates for the buildup of deposits, and scale and corrosion products on the sensor. It also provides an alarm before the interference becomes so serious as to affect the conductivity signal. The dirty sensor alarm output is a contact closure, a digital signal, or any other easily observed format. Circuit Description The dirty sensor alarm circuit measures the oscillator amplitude. The amplitude stays below a predifined threashold during normal operation. If the amplitude exceeds that threashold, the conductivity measuring instrument notifies, via an alarm, readout, or other method, that the sensor needs cleaning. OSCILLATOR TO COMPENSATOR AND DIRTY ALARM RI RC RI 1 4 RI RI GROUND 2 3 CONDUCTIVITY IN SOLUTION HIGH IMPEDANCE AMPLIFIER CONDUCTIVITY SENSING CIRCUIT AND DISPLAY 1349 Figure 1 shows the four-electrode conductivity system which consists of two current electrodes and two potential electrodes, a high impedance amplifier providing feedback to an amplitude-controlled ocillator, a conductivity sensing circuit with associated load resistor and display, and a dirty sensor alarm circuit. RI = INTERFACE RESISTANCE FROM FOULING, POLARIZATION RC = SOLUTION CONDUCTIVITY EXPRESSED AS RESISTANCE 1 2 AND AND 4 3 = CURRENT ELECTRODES = POTENTIAL ELECTRODES T04096A Feedback from the high impedance amplifier causes the osicillator to vary its amplitude output to maintain a constant excitation field, created by the current electrodes in the solution, as sensed by the potential electrodes. The current required to create the excitation field passes through the load resistor and is sensed as a voltage drop by the conductivity sensing circuit. The amount of excitation current required to maintain a constant excitation field in a solution is directly proportional to conductivity. If fouling of the electrodes occurs, the AC potential at the electrodes increases to drive the excitation through the deposits to maintain the constant excitation field. The increase in potential at the current electrodes compensates for the increase in interface resistance at them. The high impedance amplifier draws no current; therefore, the voltage drop across deposits on the potential electrodes is negligible and contributes no signficant error. Figure 1. Four-Electrode Conductivity System Table 1. Ranges for conductivity instruments A B Sensor Groups and Sensors TB451,TB454, TB457, TB461, TB464A, TB468, TB471 TB452, TB458, TB464B, TB465, TB475 Measurement Range TB82EC, TB84EC ,999 ms/cm (autoranging) ,999 µs/cm (autoranging) 2

3 Table 2. Ratings and Mounting Arrangements for Conductivity Sensors Sensor Max. Temp. Max. Pressure 1 Mounting Arrangement ºC ºF KPag psig TB451, TB Sterilizable TB Twist Lock insertion, submersion TB457, TB Sterilizable TB461, TB , Direct insertion, submersion, separate flow cell Ball valve insertion Sterilizable, submersion, separate flow cell, TB18 Safe-T- TB , Clean valve Direct insertion, submersion TB Hot tap, ball valve insertion TB , High pressure hot tap, ball valve insertion Note 1. Temperature affects maximum allowable pressure. Refer to individual sensor specifications for details. Sensor Groups and Ranges There are two groups of four-electrode conductivity sensors. The rangeability of any sensor is defined by the physical structure of the electrodes and the electronic circuitry of the associated instrument. The physical structure of the electrodes determines the sensor cell constant; however, the concept of sensor cell constants is more applicable to two-electrode sensors. Unlike four-electrode sensors, as manufactured by ABB, the rangeability of two-electrode sensors is restricted by current density and polarization. Fourelectrode sensors are not limited by these factors. The result is a virtual dimensionless sensor constant with wide rangeability. The actual measurement range is determined by the sensor group and the instrument range or range factor in use. All ABB conductivity instruments are multirange types. This provides numerous application options for any sensor and instrument combination. ABB four-electrode conductivity sensors are arranged in two groups, loosely adhering to the sensor cell constant structure in the following manner: Group A: General purpose for zero to 100 to zero to 2,000,000 µs/cm. Group B: Low to medium range for zero to to zero to 2,000 µs/cm. Temperature Compensation ABB conductivity sensors are available with temperature compensators either integral to or separate from them. The type of temperature compensator must be supported by the instrument. Type TB417 and TB440 analog instruments are compatible with a 4.75-kΩ network. ABB TB8 and AX4 series microprocessor-based instruments should use a three-kilohm RTD. Type TB82EC and TB84EC microprocessor-based instruments have the option of using a 3kΩ RTD, 4.75-kΩ network, or Pt 100 RTD. Figure 2 shows the temperature compensators. The effect of temperature on conductivity is significant; therefore, for measurements to be accurate, conductivity must be compensated to a reference temperature (typically 25-degrees celsius). Flow Cells The flow cell (Fig. 3) is available for both conductivity and ph sensors. It is designed for use with the Model TB264 Two-Electrode Conductivity Sensors, Model TB464 Four- Electrode Conductivity Sensors, and Model TB(X)561 ph/ ORP Sensors. Multiple inlet and outlet ports provide flexibility with installation, calibration, and mounting configurations. The sensor can be inserted and removed from the flow cell quickly and easily without disconnecting the sensor from the instrument or junction box. Table 1 provides a list of sensor and ranges. 3

4 MALE CONDUIT CONNECTION 1/2 OR 3/4 NPT TINNED LEADS SHIELDED 2-WIRE CABLE 3/4 OR 1 NPT INTEGRAL TEMPERATURE COMPENSATOR LOCATION (TYPICAL) INLINE EXTERNAL TB SUBMERSIBLE EXTERNAL TB4901 1/4 NPT TURN FITTING AROUND FOR SUBMERSIBLE APPLICATIONS /4 NPT 690 KPA (100 PSI), 100 C (212 F) 690 KPA (100 PSI), 125 C (257 F) TEFLON WETTED PARTS 4TB WAND TYPE EXTERNAL 316 STAINLESS STEEL WETTED PARTS,3K ohm RTD 4TB T04254B Figure 2. Temperature Compensators TB264/TB464 (NOT INCLUDED) /2-NPT x 1/4-IN. SWAGE LOCK FITTING (3 TYP) NOTES: 1. DASHED LINES REPRESENT OF FLOW CELL KIT WITH SWAGE LOCK FITTINGS. 2. FLOW CELL KIT WITHOUT SWAGE LOCK FITTINGS: 4TB FLOW CELL KIT WITH SWAGE LOCK FITTINGS: 4TB T03874C Figure 3. Flow Cell Kits 4

5 Model TB451/2 Kynar (PVDF) Body Sterilizable Conductivity Sensors (Groups A and B) Model TB451/2 sensors (Fig. 4) have an integral Tri-Clamp fitting for use in sanitary services. ABB offers two styles of these sensors. The first is a flush face style that meets the process right at the Tri-Clamp fitting. The second has an extended face designed to meet the process at the end of a Tri-Clamp fitting such as a tee. The extended face type is O-ring sealed to prevent the process solution from getting behind the electrode face where cleaning chemicals will not reach. This style of sensor can be sized to fit either 1.0-inch or 1.5-inch tubing. The flush style can be used with either size. Table 3. Model TB451/2 Sensor Specifications Application (typical) Food, beverage, brewery, dairy, pharmaceutical services where process lines must be sterilized and/ or chemical or steam cleaning takes place. Max. Pressure/Temperature Max. 689 kpag (100 psig) at 90ºC (194ºF) 447 kpag (65 psig) at 121ºC (250ºF) 275 kpag (40 psig) at 140ºC (284ºF) max. Materials Body: Electrodes: Internal O-rings: Virgin Kynar (PVDF) 316 stainless steel Ethylene propylene Special Features Integral Tri-Clamp flange. Security from crevice formation in process. TB452 FLUSH TB451 EXTENDED T04256A Figure 4. Model TB451/2 Sensors WALL VESSEL TB451 EXTENDED TB451 FLUSH FACE INSTALLATION TB451 EXTENDED INSTALLATION TB451 FLUSH 1-1/2 IN. SANITARY TUBE (SUPPLIED BY OTHERS) NO. 216 VITON O-RING 3/4 NPT 1-1/2 IN. KYNAR FLANGE MOUNT FLANGE GASKET (SUPPLIED BY OTHERS) GROOVE TB452 EXTENDED TB452 1-IN. TUBE STYLE SANITARY FLANGE GASKET (SUPPLIED BY OTHERS) GROOVE /4 NPT GROOVE 0.75 T04107A Figure 5. Model TB451/2 Sensor Dimensions 5

6 Sterilizable Conductivity Sensors, Kynar (PVDF) Body Model TB45 Sensor Group A...1 B...2 Integral Temperature Compensator Standard 4.75 kω (TB440, TB417)... 1 Standard 3-kΩ Balco RTD (TB7, TBN480, TB82EC, TB84C, AX43)... E Flange 1.5-in, Tri-Clamp (for 1.5-in.tube) in, Tri-Clamp (for 1.0-in tube)... 2 Flush 1.5-in. Tri-Clamp (for 1.0-in./1.5-in tube) Cable Length No cable, junction box included m (5.0 ft) m (15.0 ft) m (25.0 ft) m (40.0 ft) m (50.0 ft)... A 22.9m (75.0 ft) (TB451 only)... B 30.5m (100.0) (TB451 only)... C Notes: 1. Flush flange insertion lengths: TB451 = 0.0 in., TB452 = 0.8 in. 2. Interconnecting cable for sensor to conductivity instrument, 4TB Specify length. 6

7 Model TB454 Twist Lock Insertion/ Submersion Sensors (Group A) Model TB454 sensors (Fig. 6) combine versatility, easy access, and low cost into one compact package. The sensor is suitable for either inline or submersion installations. It fits into a 1-inch NPT receptacle and is inserted with a push and 180-degree twist for inline installations. There is also a Ryton (PPS) holder with screw cap available. The wide rangeability of this sensor makes it a perfect match for almost all less aggressive conductivity measurements. Table 5. Model TB454 Sesnor Specifications Applications (typical) Cooling towers, water and waste monitoring, packaged water systems. Max. Pressure/Temperature Body: Ryton (PPS) Electrodes: 316 stainless steel Insulator: Polyether-ether ketone (PEEK) Internal O-rings: Ethylene propylene External O-rings: Buna-N Special Features Twist lock insertion simplifies access. RYTON HOLDER WITH SCREW CAP TWIST LOCK T04364A Figure 6. Model TB454 Sensor 3/4 NPT FLEX CONDUIT (OPTIONAL) (SUPPLIED BY OTHERS) TWIST LOCK RECEPTACLE 1 NPT /4-IN. COUPLING (SUPPLIED BY OTHERS) 1-IN. TEE (SUPPLIED BY OTHERS) FLOW APPLICATIONS (TWIST LOCK) T04102A Figure 7. Model TB454 Sensor Dimensions 7

8 Twist Lock Insertion/Submersion Conductivity Sensor, Ryton (PPS) Body, PEEK Tip Model TB454 Sensor Style Standard...0 Integral Temperature Compensator Standard 4.75 kω (TB440, TB417)... 1 Standard 3-kΩ Balco RTD (TB7, TBN480, TB82EC, TB84C, AX43)... E Mounting Accessories None... 0 Stainless receptacle... 2 Ryton threaded receptacle... 3 Cable Length No cable, junction box included m (5.0 ft) m(25.0 ft) m (40.0 ft) m (50.0 ft)... A 22.9m (75.0 ft)... B 30.5m (100.0)... C Insulator Tip Material PEEK... 2 Notes: 1. Interconnecting cable for sensor to conductivity instrument, 4TB Specify length. 8

9 Model TB457/8 Sterilizable Conductivity Sensors (Groups A and B) Model TB457 and TB458 sensors (Figure 8) have 316 stainless steel bodies and integral Tri-clamp fittings for use in applications requiring steam sterilization. The electrode tips and electrodes are sealed with an FDA approved silicon potting material. ABB offers two styles of these sensors, a flush face that meets the process at the Tri-clamp fitting. The second has an extended face designed to place the electrodes into the process past the fitting. The extended face version is narrow enough to allow rinsing chemicals or steam to surround the wetted surfaces to ensure effective cleaning. The model TB457and TB458 sensor specifications are listed in Table 7 and the ordering guide in Table 8. Dimensions are shown in Figure 9. Table 7. Model TB457/8 Sensor Specifications Applications (typical) Food, beverage, dairy pharmaceutical services where process lines must be kept sanitary and /or chemical or steam cleaning takes place. Max. Pressure/Temperature 861 kpag (125 psig) at 175ºC (347ºF) max. Materials Body, flange and electrodes: 316 stainless steel Insulator: Internal O-rings: PEEK Ethylene propylene sealed with FDA approved silicone potting material Special Features Tri-clamp fitting. Wide conductivity range. TB458 FLUSH TB457 EXTENDED T04255A Figure 8. Model TB457/8/9 Sensors 1/2 NPT 316 S.S. BODY DEPENDS ON TUBE SIZE TB457?1/2 TB457?1/2/3/4 GROUP A A 1/2 NPT 316 S.S. BODY TB457?5 GROUP A IF: FOR FOR FOR FOR SANITARY FLANGE PIPE/ PIPE/ PIPE/ PIPE/ TUBE, L = TUBE, L = TUBE, L = TUBE, L = L TB458?1/2/3/4 GROUP B TB459?1/2/3/4 GROUP C SANITARY FLANGE TB458?5 GROUP B TB459?5 GROUP C T04108A Figure 9. Model TB457/8/9 Sensor Dimensions 9

10 Table 8. Model TB457/8 Sensor Ordering Guide Sterilizable Conductivity Sensors, 316 Stainless Steel Body Model TB45 Sesnor Group A...7 B...8 Integral Temperature Compensator Standard 4.75 kω (TB440, TB417)... 1 Standard 3-kΩ Balco RTD (TB7, TBN480, TB82EC, TB84C, AX43)... E Flange 1.5-in, Tri-Clamp (for 1.5-in.tube) in, Tri-Clamp (for 2.0-in. tube)... 2 Flush 1.5-in. Tri-Clamp (for 1.0-in./1.5-in tube)1...5 Cable Length No cable, junction box included m (5.0 ft) m (15.0 ft) m(25.0 ft) m (40.0 ft) m (50.0 ft)... A 22.9m (75.0 ft) (TB457 only)... B 30.5m (100.0) (TB457 only)... C Notes: 1. Sensor insertion length, measured from wetted surface of flange to tip of sensor electrode, will be sized for optimum measurement position in the various tube selections. Insertion length is length of sensor tip since no protrusion of sensor body occurs. 2. Interconnecting cable for sensor to conductivity instrument, 4TB Specify length. 10

11 Model TB46 Insertion/Submersion and Hot Tap Sensors (Groups A and B) Ruggedly constructed of 316 stainless steel, these sensors withstand the most demanding processes and measurement requirements. Model TB46 insertion/ submersion sensors (Fig. 10) are easily installed into process lines and vessels by the ¾-NPT insertion threads or submersed directly into fluids by the backthreads. Model TB46 hot tap sensors (Fig. 10) are directly inserted and removed from lines and vessels without disturbing the process via either a 1-½ inch normal or 1-¼ inch full port ball valve. This series is the most versatile offered by ABB. Full spectrum conductivity measurement is achieved by the wide rangeability of the sensor and the unique interchangeable tip design. The specifications are listed in Table 9 and the ordering guide in Table 10. Dimensions are shown in Figures 11and 12. Table 9. Model TB46 Sensor Specifications Applications (typical) Insertion/submersion: Boiler measurements, sewer monitoring, cooling towers, condensate, deionizers and other water treatment applications, heat exchangers, concentration monitoring, and all other general conductivity measurements. Hot tap: Boiler condensate measurements, pulp stock lines, sealed vessel monitoring, and all other general conductivity measurements requiring sensor/insertion/removal without process disturbance. Max. Pressure/Temperature: Insertion/submersion: 1,550 kpag (225 psig) at 200ºC (392ºF) max. Hot tap: 689 kpag (100psig) at 200ºC (392ºF) max. TB46 INSERTION Materials: Body, electrodes, compression fittings: 316 stainless steel (compression fittings only) TB46 HOT TAP WITH WRENCH-TIGHT COMPRESSION FITTING Insulator: O-rings: PEEK Ethylene propylene TB46 HOT TAP WITH HAND-TIGHT COMPRESSION FITTING Figure 10. Model TB46 Sensors T04261A Compression fitting ferrule: Nylon (ball valve insertion only) Special Features: Insertion/submersion: Interchangeable and replaceable electrode tips. Direct measurement above 100ºC (212ºF) without coolers with proper antiflashing installation. Hot tap: Interchangeable and replaceable electrode tips. Accidental sensor blowout prevented by antiblowout lip machined into sensor body. 11

12 SS KYNAR RETAINER 3/4 NPT S.S. BODY 3/4 NPT TB4610 GROUP A 1/2 FNPT TB4650 GROUP B FLATS TB4670 GROUP C INSERTION LENGTH INSERTION LENGTH INSERTION LENGTH T04099A Figure 11. Model TB46 Insertion/Submersion Dimensions 316SS HAND-TIGHT RETAINER KYNAR COMPRESSION S.S. BODY RETAINER FITTING TB4611/4 GROUP A /2 IN. 1-1/2 IN. HEX 1-3/4 IN. HEX 1-3/8 IN. HEX 1-1/4 NPT 1 NPT 1/2 FNPT OR OR ANTIBLOWOUT LIP TB4651/4 GROUP B TB4671/4 GROUP C HAND-TIGHT COMPRESSION FITTING WRENCH-TIGHT COMPRESSION FITTING T04100A Figure 12. Model TB46 Hot Tap Dimensions 12

13 Table 10. Model TB46 Sensor Ordering Guide Insertion/Submersion and Hot Tap Conductivity Sensors 1 Model TB46 Sensor Group A... 1 B... 5 Body Style Insertion/submersion... 0 Hot tap, 16-in length... 1 Hot tap, 24-in length... 4 Integral Temperature Compensator Standard 4.75 kω (TB440, TB417)... 1 Standard 3-kΩ Balco RTD (TB7, TBN480, TB82EC, TB84C, AX43)... E Accessories None (all insertion/submersion versions and hot tap replacement sensors)... 0 Compression fitting, hand tight (hot tap only)... 1 Compression fitting, wrench tight (hot tap only)... 2 Integral Sensor Cable No cable, junction box included m (5.0 ft) m (15.0 ft) m(25.0 ft) m (40.0 ft) m (50.0 ft)... A 22.9m (75.0 ft) (TB461 only)... B 30.5m (100.0) (TB461 only)... C Standard Insertion Length in. for TB461, 1.70 in. for TB Insulator Tip Material PEEK... 2 Notes: 1. Standard o-ring seals are ethylene propylene. Consult ABB for other available materials. 2. Interconnecting cable for sensor to conductivity instrument. 4TB Specify length. 3. Insertion lengths measured from electrode end to beginning of pipe thread. Other insertion lengths are available; consult ABB. 13

14 Model TB464 Sensors (Groups A and B) Model TB464 sensors (Fig. 13) are available with a bushing nut and union or can be retro-fitted into standard DN25 bushings with inch to inch internal diameters. They are also available for installation into 4TB and 4TB flow cells or the Model TB18 Safe-T-Clean sensor valve. It quickly and easily installs into the flow cell without twisting the sensor cable. 3/4 NPT EPR 0.95 O-RING L I TB464B GROUP B TB464A GROUP A TB464C GROUP C WHEN: I =, L = ; I =, L = ; I =, L = ; I =, L = T04109A Figure 14. Model TB464 Sensor Dimensions Figure 13. Model TB464 Sensor Table 12. Model TB464 Sensor Specifications Application (typical) cooling towers, packaged water systems, exchange columns, heat exchangers, all other low to medium range conductivity measurements. Max. Pressure/Temperature 1,378 kpag (200 psig) at 200ºC (392ºF) max. Materials Body and electrodes: 316 stainless steel Insulator: PEEK O-rings: Ethylene propylene TB264/TB464 (NOT INCLUDED) 1/2-NPT x 1/4-IN. SWAGE LOCK FITTING (3 TYP) Special Features Easy installation into either flow cell, any available 25-mm port, or the Model TB18 sensor valve. Flexible insertion depth NOTES: 1. DASHED LINES REPRESENT OF FLOW CELL KIT WITH SWAGE LOCK FITTINGS. 2. FLOW CELL KIT WITHOUT SWAGE LOCK FITTINGS: 4TB FLOW CELL KIT WITH SWAGE LOCK FITTINGS: 4TB T03874C Figure 14a. Flow Cell Kits 14

15 Table 13. Model TB464 Sensor Ordering Guide Conductivity Sensor Model TB464 Sensor Group A... A B... B Integral Temperature Compensator Standard 4.75 kω(tb440, TB417)... 1 Standard 3-kΩBalco RTD (TB7, TBN480, TB82EC, TB84C, AX43)... E O-Ring Material Standard (ethylene propylene)...1 Measurement Electrode Material 316 stainless steel... 1 Reserved For future use... 0 Body Style 70-mm insertion length mm insertion length mm insertion length mm insertion length Cable Length No cable, junction box included m (5.0 ft) m (15.0 ft) m(25.0 ft) m (30.0 ft) m (40.0 ft) m (50.0 ft)... A 22.9m (75.0 ft) (TB464A only)... B 30.5m (100.0) (TB464A only)... C Insulator Tip Material PEEK... 2 Notes: 1. Interconnecting cable for sensor to conductivity instrument. 4TB Specify length. 15

16 Model TB468 Insertion and Hot Tap Sensors for Corrosive Service (Group A) Model TB468 sensors are available in either insertion (TB4680) (Fig. 15) or hot tap styles (TB4683). The insertion style is also submersible. A Kynar (PVDF) body and Hastelloy C electrodes allow use in aggressive applications where 316 stainless steel is not advised. The specifications are listed in Table 14 and the ordering guide in Table 15. Model TB4680 insertion style sensor dimensions are shown in Figure 16 and model TB4683 hot tap style sensor dimensions are shown in Figure 17. Table 14. Model TB468 Sensor Specifications Applications (typical) Concentration monitoring of process streams that would corrode 316 stainless steel. Condensate and heat exchanger monitoring with potential for acid intrusion. Max. Pressure/Temperature TB4680: Max. 689 kpag (100 psig) at 50ºC (122ºF), Insertion 354 kpag (50 psig) at Submersion 100ºC (212ºF) max. TB4683: Hot-Tap Max. 275 kpag (40 psig) at 90ºC (194ºF) 138 kpag (20 psig) at 140ºC (284ºF) max. Figure 15. Model TB4680 Sensor Materials Body: Kynar (PVDF) Hot tap sheath, pressure ring, electrodes: Hastelloy C Hot tap compression fitting: Teflon (PTFE) Special Features Corrosion resistance /4 NPT WRENCH FLATS KYNAR BODY 3/4 NPT 0.88 HASTELLOY PRESSURE RING T04105A Figure 16. Model TB4680 Insertion Style Dimensions 16

17 Table 15. Model TB468 Sensor Ordering Guide Insertion and Hot Tap Conductivity Sensors for Corrosive Service Model TB468 Sensor Style Standard insertion/submersible...0 Hot tap, no hardware...3 Integral Temperature Compensator Standard 4.75 kω (TB440, TB417)... 1 Standard 3-kΩ Balco RTD (TB7, TBN480, TB82EC, TB84C, AX43)... E Hot Tap Accessories None... 0 Teflon (PTFE) compression hardware, 3/4-inch NPT...1 Cable Length No cable, junction box included m (5.0 ft) m (15.0 ft) m(25.0 ft) m (40.0 ft) m (50.0 ft)... A 22.9m (75.0 ft)... B 30.5m (100.0)... C Notes: 1. Interconnecting cable for sensor to conductivity instrument, 4TB Specify length. 1/2 NPT SS SAFETY RESTRAINING 1-IN. KYNAR NIPPLE KYNAR TIP TEFLON COMPRESSION FITTING 1-IN. TO 3/4-IN. REDUCING BUSHING IN. KYNAR BALL VALVE STOCK O.D. T04106A Figure 17. Model TB4683 Hot Tap Style Dimensions 17

18 Model TB47 High Pressure Hot Tap Sensors (Groups A and B) Model TB47 sensors (Fig. 18) can be directly inserted into or removed from lines and vessels without disturbing the process. Designed for service in systems exceeding pressure ranges of standard hot tap sensors, these high pressure hot tap sensors also insure worker safety. Closing a ball valve isolates an extraction housing, separating the operator from the sensor and process. The housing can be pressurized or depressurized and purged by installing flush and/or drain lines to the ¼-NPT purge connections. Ruggedly constructed of 316 stainless steel, these sensors withstand the most demanding processes and measurement requirements. The specifications are listed in Table 16 and the ordering guide in Table 17. Dimensions are shown in Figure 19. Figure 18. Model TB471 Sensor Table 16. Model TB47 Sensor Specifications Applications (typical) Boiler condensate measurements, pulp stock lines, sealed vessel monitoring, pulp liquor, toxic chemical monitoring, heat exchangers, concentration monitoring, and other conductivity measurements requiring special worker safety considerations. Max. Pressure/Temperature 2,068 kpag (300 psig) at max. temp. of 200ºC (392ºF) Materials Sensor and valve bodies, electrodes, extraction housing, insertion/body assembly, compression fitting: 316 stainless steel Insulator: PEEK O-rings: Ethylene propylene Compression fitting ferrule: Kynar (PVDF) Ball valve seats: TFE Special Features High pressure capability. Purgeable sensor extraction housing. 1 1/2-316 S.S. TB471 GROUP A TB475 GROUP B Approximate Dimensions are nominal Figure 19. Model TB47 Sensor Dimensions 18

19 Table 17. Model TB47 Sensor Ordering Guide High Pressure Hot Tap Conductivity Sensors 1 Model TB47 Sensor Group A...1 B...5 Hot Tap Style Ball valve... 6 Integral Temperature Compensator Standard 4.75 kω (TB440, TB417)... 1 Standard 3-kΩ Balco RTD (TB7, TBN480, TB82EC, TB84C, AX43)... E Mounting Accessories or Sensor Modifications None... 0 Basic sensor, with housing, less valve... 6 Basic sensor, without ball valve and housing... 7 Cable Length No cable, junction box included m (5.0 ft) m (15.0 ft) m(25.0 ft) m (40.0 ft) m (50.0 ft)... A 22.9m (75.0 ft) (TB471 only)... B 30.5m (100.0) (TB471 only)... C Notes: 1. Standard o-rings are ethylene propylene. Consult ABB for other available materials. 2. Interconnecting cable for sensor to conductivity instrument, 4TB Specify length. 19

20 Conductivity Transmitters and Analyzers ABB offers a complete line of conductivity transmitters and analyzers. TB82EC Advantage Series Four-Electrode Conductivity Transmitter 2-wire, 24 VDC, 4 to 20 ma. Certified intrinsically safe. Smart key menu programming. Online sensor diagnostics. Configurable output. Multitemperature compensations. Adjustable damping. Hold output. Configurable security code. HART communication. NEMA 4X/IP65 housing. CE approved. TB84EC Advantage Series Four Electrode Conductivity Analyzer Universal AC power supply. Smart key menu programming. Online sensor diagnostics. Configurable output. Multitemperature compensations. Adjustable damping. Hold output. Configurable security code. NEMA 4X/IP65 housing. CE approved. 3 relay outputs (high or low set point, high or low cycle timer, cleaner control). 2 analog outputs. TB82TE Advantage Series Two-Electrode Conductivity Transmitter 2-wire, 24 VDC, 4 to 20 ma. Certified intrinsically safe. Smart key menu programming. Online sensor diagnostics. Configurable output. Multitemperature compensations. Adjustable damping. Hold output. Configurable security code. HART communication. NEMA 4X/IP65 housing. CE approved. TB82TC Advantage Series Toroidal Conductivity Transmitter 2-wire, 24 VDC, 4 to 20 ma. Certified intrinsically safe. Smart key menu programming. Online sensor diagnostics. Configurable output. Multitemperature compensations. Adjustable damping. Hold output. Configurable security code. HART communication (consult factory). NEMA 4X/IP65 housing. CE approved. Advantage Series is a trademark of ABB Automation Inc. HART is a registered trademark of HART Communication Foundation. Hastelloy is a registered trademark of Haynes International, Incorporated. Kynar is a registered trademark of Elf Atochem North America Incorporated. LADISH and Tri-Clamp are registered trademarks of LADISH Company. Ryton is a registered trademark of Phillips Petroleum Company. Teflon is a registered trademark of E. I. DuPont de Nemours Company, Incorporated. ABB has Sales & Customer Support expertise in over 100 countries worldwide The Company s policy is one of continuous product improvement and the right is reserved to modify the information contained herein without notice. Printed in USA ( ) ABB 2006 ABB Inc. 125 East County Line Road Warminster PA USA Tel: Fax: ABB Inc S. Virginia St. Ste E Reno NV USA Tel: Fax: ABB Ltd Oldends Lane, Stonehouse Gloucestershire, GL10 3TA UK Tel: +44 (0) Fax: +44 (0)