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TX20 pH and ORP Controller From Sensorex

Sensorex - TX20 pH and ORP Controller

The TX20 automatic pH controller is a convenient and cost effective solution for monitoring and maintaining pH and ORP. Save space in your panel with the small footprint 1/8 DIN case. Use the two on/off relay outputs to program process control, including management of alarms and chemical dosage systems.

  • Easy to install 1/8 DIN Case

  • Two on/off controls (relay outputs)

  • Clear LCD displays pH or ORP and temperature

  • 100-240 VAC power supply

Note: Transmitter is only compatible with sensors that have spade lug connectors.


  • Measurement Range (pH): -2.00 to 16.00pH, 0.01 pH resolution, +/- 0.1% accuracy

  • Measurement Range (ORP/mV): -1999mV to 1999mV, 1mV resolution, +/- 0.1% accuracy

  • Temperature Range: -10 °C to 120 °C , 0.1 °C resolution, +/- 0.3 °C accuracy

  • Control Type/Relay Output: 2 ON/OFF controls / 5A at 115VC AC or 2.5A at 220V AC, resistive load only

  • Enclosure: 1/8 DIN (3.78" L x 3.54" W x 1.89? H)

  • Ambient Operating Temperature: 0° C to 50° C

  • Temperature Compensation: Auto/Manual (-10 °C to 120 °C)

  • Power Requirement: 100-240 VAC, max 500 ohm load

  • Weight: 290g

Specification Sheet for 1/8 DIN pH and ORP Transmitters


More pH and ORP Transmitters/Controllers

TX10 | TX20 | TX100 | TX2000 | TX3000


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Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


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