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Sensorex TCSMA, Operation And Maintenance Manual

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Sensorex TCSMA Operation And Maintenance Manual Download Page 1

 

 

 

O & M Manual 

1

 

REV G, 7/2009 

 

 

Model TCSMA 

 

Conductivity Measurement 

System 

(Toroid Sensor, Blind, 2-Wire 4-20mA Transmitter) 

 
 

Operation and Maintenance 

 Manual

 

 
 
 

 
 

 

11751 Markon Dr.  

Garden Grove, CA  92841   USA 

Tel:  714-895-4344  

Fax:  714-894-4839 

E-mail: [email protected] 

www.sensorex.com

 
 

 

 
 
 

 

Summary of Contents for TCSMA

Page 1: ...CSMA Conductivity Measurement System Toroid Sensor Blind 2 Wire 4 20mA Transmitter Operation and Maintenance Manual 11751 Markon Dr Garden Grove CA 92841 USA Tel 714 895 4344 Fax 714 894 4839 E mail i...

Page 2: ...eful life of these products There are no implied warranties of merchantability or fitness for a particular purpose given in connection with the sale of any goods In no event shall SENSOREX be liable f...

Page 3: ...rical Installation 4 1 General 14 4 2 Power 14 4 3 Load Drive 15 Part 5 Sensor Electrical Connection 5 1 General 17 5 2 Direct Sensor Connection 17 5 3 Junction Box Connection 18 Part 6 Calibration 6...

Page 4: ...al 25 8 2 External Sources of Problems 25 8 3 Transmitter Tests 26 8 4 Sensor Tests 26 8 5 Spare Parts List 27 Diagrams and Illustrations Figure 1 1 Specifications Views 7 Figure 2 1 TCSMA Mounting De...

Page 5: ...Special toroidal sensor design greatly minimizes sensor fouling and therefore reduces maintenance requirements Standard main module is designed to be a fully isolated loop powered instrument for 2 wi...

Page 6: ...ure Transmitter Service 20 to 60 C 4 to 140 F Sensor Service 5 to 110 C 23 to 230 F Storage 30 to 70 C 22 to 158 F Ambient Humidity 0 to 95 non condensing Location Designed for hazardous and non hazar...

Page 7: ...TCSMA Conductivity System Part 1 Introduction O M Manual 7 REV G 7 2009 Figure 1 1 Specifications Views Inches mm 1 NPT WITH PG 11 ADAPTER AND PG 11 CORD GRIP...

Page 8: ...rformance Specifications Repeatability 0 2 of selected range Sensitivity 0 1 of selected range Non linearity 0 5 of selected range Stability 0 2 of range per 24 hours non cumulative Temperature Drift...

Page 9: ...t may be easily wall mounted see Figure 2 1 details The multi purpose bracket is attached to the rear of the enclosure using the four provided pan head screws The protrusion side of the multi purpose...

Page 10: ...TCSMA Conductivity System Part 2 Transmitter Mounting O M Manual 10 REV G 7 2009 Figure 2 1 Mounting Bracket Details Inches mm...

Page 11: ...iners The flange gasket material must face towards the rear of the enclosure The flange is now installed Seal up the finished enclosure by tightening down the four enclosure screws prior to mounting A...

Page 12: ...TCSMA Conductivity System Part 2 Transmitter Mounting O M Manual 12 REV G 7 2009 Figure 2 3 Panel Mount and Cut out Inches mm...

Page 13: ...possible Once submerged verify that the sensor has the proper minimum 2 clearance to tank walls or other objects nearby the sensor mounting Close proximity to objects can cause the sensor to read fal...

Page 14: ...wiring should be run in a dedicated conduit to prevent electrical noise from coupling with the instrumentation signals 4 2 Power A separate DC power supply must be used to power the instrument The ex...

Page 15: ...ormula V I R where V load drive voltage I maximum loop current in Amperes and R maximum resistance load in Ohms To find the load drive voltage of the two wire TCSMA subtract 16 VDC from the actual pow...

Page 16: ...ower supply voltage is 24 VDC first subtract 16 VDC then divide the remainder by 02 8 02 400 therefore a 400 Ohm maximum load can be inserted into the loop with a 24 VDC power supply Similarly the fol...

Page 17: ...le frequency drives motors or other noisy electrical signal lines Do not run sensor or signal cables in conduit that contains AC power lines or motor leads 5 2 Direct Sensor Connection Route the senso...

Page 18: ...nclosure the individual colored sensor sensor cable leads can be connected directly to the SENSOR connection terminals by matching the wire colors 5 3 J Box Connection For installations where the sens...

Page 19: ...to zero signal conductivity 6 22 Coarse Span Adjustment The coarse span adjustment sets the initial 20 mA output current point for the system This adjustment is used to make the initial rough adjustm...

Page 20: ...tion requirement is not known The following list contains some common factor settings 1 9 Sodium Hydroxide 1 5 Hydrochloric Acid 1 5 Sulfuric Acid 1 5 Nitric Acid 1 1 Phosphoric Acid 2 1 Sodium Chlori...

Page 21: ...se the following table to determine the amount of sodium chloride to be added to 1 liter of distilled water CONDUCTIVITY REFERENCE SOLUTIONS Desired NaCl Added Cond grams 2 000 uS 1 01 5 000 uS 2 61 1...

Page 22: ...tion turn full CCW until a clicking sound is heard then rotate CW 12 turns 3 Hold the sensor in air away from any nearby objects Sensor should be clean Adjust the OFFSET control until the output curre...

Page 23: ...s are performed from 6 3 1 Place the REV DIR switch in the REV position 2 Hold sensor in air away from any nearby objects Sensor should be clean and dry Adjust the OFFSET control until the output curr...

Page 24: ...tenance No unusual maintenance of the analyzer is required if installed according to the guidelines of this operating manual If the enclosure door is frequently opened and closed it would be wise to p...

Page 25: ...e factory technical support group 8 2 External Sources of Problems To begin this process review the connections of the system to all external connections 1 Verify the proper power input is present 16...

Page 26: ...he sensor has the proper minimum 2 clearance to any nearby objects Objects 2 or closer can affect the electrical field of the sensor and cause shifts in readings 9 Note that the thermal response of th...

Page 27: ...0 Ohms D Connect a DVM between the WHITE wire from the in the white jacket pair and the RED wire from the red jacket pair With the DVM set to measure resistance you should measure an open circuit D Co...

Page 28: ...DEL TCSMA PART NO DESCRIPTION TCSMA TCSMA blind 4 20mA toroidal conductivity transmitter TCS 3020 P1K Toroidal Conductivity Sensor polypropylene with integral Pt 1000 RTD temperature sensor and 20 ft...

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