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pH-metrMARK® 902 / MARK® 902A

Measurement of the activity of hydrogen ions (pH, pH25), EMF and temperature of aqueous media.
Control of water-chemical regimes at thermal and nuclear power facilities.
pH control of aqueous media in technological processes.Two channels |
Freely programmable measurement ranges.
The possibility of independent measurements at two points.
Convenience and accuracy of measurement, minimum maintenance |
Automatic thermal compensation.
Calibration according to standard buffer solutions with their automatic determination.
"Active" sensor unit |
The digital communication channel of the sensor with the converter unit is up to 100 meters.
Communication with external devices |
Galvanically isolated current outputs 0-5/4-20/0-20 Ma.
RS 485 port. MODBUS RTU exchange protocol.
Programmable setpoints with a "dry contact" type output.
Durable aluminum housing IP65 |
The device is reliably protected from dust and moisture.
Graphic indicator with backlight |
Convenient data presentation format and ease of settings