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TDS Controller & Transmitter

MODEL : TDS 602 - 1

Display : 4 + 4 Digit 0.5” & 0.39” 7 Seg RED LED Display

Electrode : Conductivity cell on rear panel

Power supply : 90 to 270V AC / DC 50Hz

Product Details

The TDS 602 - 1 series of TDS Controller and Transmitter provides a reliable method of Monitoring, Controlling & Transmitting 4 - 20mA / RS 485 MODBUS RTU communication for interfacing to PLC, Data logger. This product is suitable to measure TDS in water treatment, Electrolytic water cleaning, Chemical industries, food process, waste water treatment, textile industries & neutralization process, etc.,.

This TDS Controller & Transmitter can measured using industrial TDS sensors, temperature can be measured using temperature sensor. This TDS Controller & Transmitter has many user friendly and safety features which as follows.

Model TDS 602 - 1
Display 4 + 4 Digit 0.5” & 0.39” 7 Seg RED LED Display
Cell constant* 0.01 / 0.1 / 1(user selectable depends on range)
Range 1 - 20ppm, 5 - 200ppm, 10 to 2000ppm, 1 to 20ppt, 5 to 200ppt
Accuracy ± 1 % of range + 1 digit
Resolution 0.01ppm to 0.1ppt (depends on range)
Temperature sensor RTD - PT 100 (3 wire)
Temperature Coefficient 0 to 3 % / ºC (user adjustable)
Temperature Compensation Manual / Automatic (-20.0 to +150.0ºC)
Electrode Input Conductivity cell on rear panel
Set Point - 1 & 2 Two Set Point with 6 Relay Status Selectable
Relay Output Relay - 1 for Setpoint - 1, Relay - 2 for Setpoint - 2 with 5A Rating
Relay Hysteresis 0 to 500 counts (user adjustable)(only for High & Low control modes)
Relay Cyclic delay 0 to 100 seconds (user adjustable)(only for High & Low control modes)
Alarm Output(optional) Inbuilt audible buzzer with front key reset
Optional Re. Tx. output Galvanically Isolated 4 - 20 mA
Optional Comm. output Isolated RS 485
Communication Protocol MODBUS RTU
Operating Environment -10 to 50ºC / 10 to 95 % RH Non Condensing
Power Supply 90 to 270V AC / DC 50Hz
Enclosure ABS Plastics
Dimension in mm 96 x 96 x 85 mm
Cutout Dimension 92 x 92 mm
Weight 350 grams (Approx.)

Note: Due to continuous product improvements, Published specifications may change with out notice

  • Economical, easy to calibrate and setup
  • User selectable 5 ranges from 1ppm to 200 ppt
  • High Accuracy
  • Programmable auto/manual temperature compensation
  • Optional isolated RS 485 communication with MODBUS RTU protocol
  • Optional galvanically isolated 4 – 20mA retransmission output.
  • Adjustable cell constant for particular ranges
  • Manual single or 2 point calibration
  • 2 relay outputs with configurable individual H/L setting with 6 relay status
  • Optional audible inbuilt buzzer output with front key reset
  • Universal supply voltage 90 to 270V AC/DC