Functional Features：

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Monitor three voltage channels, with a polarity free two bus and no need for external power supply. Use GS701 encoder for encoding. High precision, with an error of ≤ 5%. Real time monitoring of the working status of the main and backup power sources of fire-fighting equipment. Real time monitoring of faults such as overvoltage, undervoltage, phase loss, and power interruption in the main and backup power supplies of fire-fighting equipment, and reporting of fault information to the monitor.

Technical Parameter：

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Voltage detection range: Voltage: AC187V~242V
Working voltage: DC24V
Working current: Normal monitoring current ≤ 1ma, alarm bus current ≤ 1.5mA (full load test)
Dimensions: L107mm × W88mm × H36mm

Usage environment：

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Usage environment: Working temperature: -10 ℃~55 ℃
Relative humidity: ≤ 95% RH (non condensing)