Electrochemical SensorsTL-PH Series

pH / ORP Sensor

pH / ORP Sensor — TL-PH Series
Electrochemical Sensors

pH / ORP Sensor

TL-PH Series

Digital pH and ORP sensor with RS485 Modbus RTU output. IP68, 0–14 pH range, ±0.1 pH accuracy.

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Product Overview

The TL-PH Series digital pH/ORP sensors use a glass electrode measurement principle with built-in temperature compensation. Designed for continuous online monitoring in water treatment, chemical dosing control, and industrial process applications. RS485 Modbus RTU output enables direct integration with PLCs and SCADA systems.

Technical Specifications

ParameterValue
Measurement PrincipleGlass electrode
pH Range0–14 pH
ORP Range-1999 to +1999 mV
Accuracy±0.1 pH / ±5 mV
Temperature Range0–80°C
Pressure0–6 Bar
Signal OutputRS485 Modbus RTU / 4-20mA
Power Supply12–24 VDC
Connection3/4" NPT Thread
ProtectionIP68
Cable Length5m (customizable)
MaterialPOM / SS316L

Key Features

  • Built-in automatic temperature compensation (ATC)
  • 2-point or 3-point calibration
  • Anti-fouling design for continuous immersion
  • Compatible with TL display controllers and third-party SCADA

Typical Applications

Water treatment plantsChemical dosing controlWastewater monitoringSwimming poolsFood & beverage

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