ORP-Redox Potential Measurement for Water Quality
Redox (Reduction-oxidation) or ORP (Oxidation Reduction Potential) is a measure of the oxidising or reducing potential of a water body. Many important biochemical processes are oxidation or reduction reactions (e.g. ammonia>nitrite>nitrate). The ORP level in a river or treatment plant will govern (along with DO and pH levels) which reactions are prevalent.
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Datastick ORP REDOX Sensor
Provides differential ORP/REDOX measurement with no field calibration required. The ORP/REDOX sensor can be connected directly to a PLC(Programmable Logic Controller), and any computer can be used to display data and to customize and calibrate the sensor.
ORP Testr 10
The ORPTestr 10 has the benefit of being designed with advanced microprocessor technology to give accuracy across a wide measuring range even in wet and rugged environments.
Alpha pH 2000D pH/ORP Controller/Transmitter
The new and improved Eutech Alpha pH 2000D Controller/Transmitter and combination electrode system uses a unique system which gives more resistance in harsh wastewater conditions. In turn this results in the user having reliable, long lasting and cost saving pH measurement technology.
Alpha pH 2000 pH/ORP Controller/Transmitter
RS Hdyro are UK distributors of the Eutech Alpha 2000 pH/ORP Controller/Transmitter specifically designed with rugged industrial environment in mind. This is truly to optimum choice for using in electrically noisy environments.
Alpha pH 1000 pH / ORP Controller / Transmitter
RS Hydro are proud distributors of the Eutech Alpha pH 1000 pH/ORP Controller/Transmitter. This meter delivers a combination of consistent performance and sophisticated functions to give the most accurate results whilst being user friendly.
Alpha pH 800 pH/ORP Controllers/Transmitters
The Eutech Alpha pH 800 combines user friendly controls, sophisticated features and consistency all in one meter.
Alpha pH 500 pH/ORP 2-Wire Transmitter
The Eutech Alpha pH 500 pH/ORP 2-wire transmitter is a user friendly, cost effective device that delivers uninterrupted data at the touch of a button
Alpha pH 560 pH/ORP Controller
RS Hydro are UK distributors of the reliable and accurate Alpha pH 560 pH/ORP controller. Easy set up and accuracy are guaranteed from this pH controller.




















