Functional Features：

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High precision measurement zero calibration; Fire protection dual bus, stable and reliable transmission, plug-in module design, easy installation; Non polarized power supply, simple and safe wiring, no need for gas pipes to be installed through walls, suitable for shared areas in corridors, front rooms, and stairwells.

Technical Parameter：

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Wiring system: signal two bus, non-polar
Static current:<1mA
Alarm current: ≤ 3mA
Measurement range: 0Pa~-200Pa
Dimensions: L85mmxW85mmxH34mm
Encoding method: Electronic encoding range: 1~64

Usage environment：

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Temperature: -10 ℃ to+50 ℃
Relative humidity:<95% (40 ± 2 ℃)