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 : 25A, 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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