Online TDS Controller

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.

Features :

• Economical, Easy to Calibrate and Setup
• User selectable 6 ranges from 1ppm to 200ppt
• High Accuracy
• Programmable Auto / Manual Temperature Compensation
• Optional Isolated RS 485 communication with MODBUS RTU protocol
• Optional Galvanically Isolated 4 - 20mA Re Trans. 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

Specification :

• 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(any one) 1 - 20ppm, 5 - 200ppm, 10 to 2000ppm, 1 to 20ppt, 5 to 200ppt
• Resolution 0.01ppm to 0.1ppt (depends on range)
• Temp. Compensation Manual / Automatic (-20.0 to +150.0ºC)
• Temp. Sensor RTD - PT 100 (3 wire)
• Temp. Coefficient 0 to 3 % / ºC(user adjustable)
• Electrode Input Conductivity cell on rear panel
• Accuracy ± 1 % of range ± 1 digit
• 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 Hysterisis 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
• Comm. Protocol MODBUS RTU
• Operating Environment -10 to 50ºC / 10 to 95 % RH Non Condensing
• Power Supply 90 to 270V AC / DC 50Hz
• Dimension 96 x 96 x 85 mm.
• Cutout Dimension 92 x 92 mm
• Weight 500 grams (Approx.)