Combination pH, Redox & Temperature Sensor - PHEHT

• pH​ Range: 0 - 14
• pH​ Resolution: 0,01
• pH​ Accuracy: +/- 0.1​
• Redox Range: -1000 to +1000 mV
• Redox Resolution: 0.1 mV
• Redox Accuracy: ± 2 mV
• Temperature Range 0,00 °C to + 50,00°C
• Temperature Resolution 0,01 °C
• Temperature Accuracy ± 0,5 °C

  • Model Number: PHEHT
  • Data Sheet: Date Sheet File
Quantity:
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  • Combination pH, Redox & Temperature Sensor
  • Combination pH, Redox & Temperature Sensor
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Product Specification

PHEHT Combination pH, Redox & Temperature Sensor Description
The pH/ORP cartridge is designed to last for an extended time with Plastogel technology meaning recalibration and replacement is infrequent. The sensor has been designed for the most difficult situations for a pH/ORP sensor in terms of sensor resistance, quick response time, minimal flow dependence and low power consumption.

Digitally optimised measurement technology
• Combination pH, redox & temperature sensor
• Smart sensor stores configuration settings and calibration history
• Digital sensor: Modbus RS-485
• Field replaceable pH/ORP sensor cartridge
• Robust and watertight

PHEHT Combination pH, Redox & Temperature Sensor Range
• pH: 0 to 14
• Redox: -1000mV to +1000mV
• Temperature: -10°c to +50°c

PHEHT Combination pH, Redox & Temperature Sensor Applications
The PHEHT sensor has been designed to perform under hard conditions, from pure mountains water with conductivity as low as 20 µS/cm, lakes and rivers (100 - 2000 µS/cm), seawater with conductivities of 50 mS/cm, to waste water with conductivity higher than 200 mS/cm.

PHEHT Combination pH, Redox & Temperature Sensor Specifications

pH
Measurement principle
Combined electrode (pH/ref) : special glass, Ag/AgCI ref. Gelled
Range
0 - 14 pH
Resolution
0,01 pH
Accuracy
+/- 0.1 pH
Redox
Measurement principle
Combined electrode (Redox/reference) : Platinum tip, Ag/AgCI AgAgCl. Gelled
Range
-1000 to +1000 mV
Resolution
0.1 mV
Accuracy
± 2 mV
Temperature
Technology
CTN
Range
0,00 °C to + 50,00°C
Resolution
0,01 °C
Accuracy
± 0,5 °C
Response time
< 5 s
Operating temperature
0°C to + 60°C
Protection
IP 68
Interface
Modbus RS-485 / SDI-12 (option)
Power supply
5 to 12 volts
Power consumption Standby : 25μA, Average RS485 (1 measure/second) : 3,9 mA, Average SDI12
Sensor
Dimensions
Diameter : 27 / 21 mm ; Length : 207 mm
Weight
350 g (sensor + 3 m cable)
Material
PVC, special pH glass, platinum
Pressure
5 bars
Cable
Coaxial armoured, Polyurethane, bare wire or Fisher connector
Protection
IP68 up to gland

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