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The Aqua Medic mV Controller is designed for monitoring and controlling the redox potential (or ORP - oxidation-reduction potential) in aquaria. The unit has a broad controlling range from -500 to a +500 mV, and a measuring range from -1000 to +1000 mV. It can be used to control the supply of ozone in saltwater aquaria and / or for the control of nitrate removal in anaerobic biological filters (Nitratereductor). The unit is supplied with a BNC connection for a mV probe (available separately).
The redox potential or oxydation-reduction potential (ORP) is an electric value that is a parameter for oxydation and reduction process in the water. The redox potential is of special interest in the aquarium:
To check the water quality in a seawater aquarium. The ideal range is between 300 and 400 mV. It can be raised to the desired value by injecting ozone into the protein skimmer. The higher the values are, the higher the percentage of oxydation is - the „cleaner” the water is.
To control anaerobic denitrifying filters. Here, the redox potential is used to check the activity.The ideal range for these filters is between -50 and -100 mV. The redox potential is also used as a control parameter in other processes. In swimming pools, the chlorination can be controlled by the redox potential. The minimum value for disinfection is +700 mV.
technical Data Aqua Medic mV Controller
Display: 0.5" LED, 3,5 digits
Measuring range: mV -1,000 up to +1,000
Resolution: 1 mV
Accuracy: +1 mV (+ 1 digit)
Relay contact: 5 amps. at 100 - 240 V
Working temperature: 0 - 50° C
Humidity: below 80%
Control range: -500 up to +500 mV, digitally adjustable
Control accuracy: +5 mV (+ 1 digit)
Power consumption: AC 100 - 240 V, 50 Hz, if not stated otherwise
Dimensions: 150 x 85 x 40 mm - Accessories for this article:
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Manual Aqua Medic mV Controller
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