Functional Features：

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This product is mainly suitable for Zone 1 and Zone 2 hazardous areas in explosive gas environments, Class IIA-IIB. Connect to our company's G7 alarm system through explosion-proof safety barriers. Built in CPU intelligent algorithm; Having the ability to analyze the authenticity of fire incidents; All are surface mount components with good moisture-proof measures and strong moisture resistance; Automatically adjust sensitivity; Having a learning mode: with self diagnostic function. Use GS701 electronic encoder to encode one address (1-255). It needs to be used in conjunction with the GT720 base, and the bus has no polarity.

Technical Parameter：

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Detector category: A2R
Working voltage: 15V-28V pulse voltage
Static current: ≤ 0.6mA
Alarm current: ≤ 1.2mA
Dimensions: Φ 100mm × H32mm (including base)
Installation hole spacing: 50mm~60mm
Weight: Approximately 23g (excluding base)
Explosion proof mark: Ex ib IIC T6 Gb
Explosion proof certificate: SYEx23.11151X
Intrinsic safety explosion-proof parameters: Ui: 28VDC Ii: 93mA Pi: 0.65W Ci: 0.05uF Li: 0mH

Usage environment：

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Environmental temperature: -10 ℃ to+55 ℃
Relative humidity: ≤ 95% RH