DAP31-21X1 Ceiling-mounting Combustible Gas Detector,China Gas Products,DAP31-21X1 Ceiling-mounting Combustible Gas Detector manufacturer

Products:DAP31-21X1 Ceiling-mounting Combustible Gas Detector

Post Date	Sep 05, 2007
Business Category	Energy & Environment » Gas Disposal

Country/Region	China [CN]
Company Address	No.205 C Seat, Mantingfang Garden,No.43, West Lu, North Third Circle, Beijing, , Beijing, China [CN]
Business Type	Manufacturer ,Exporter

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Characteristic

² carrier catalyzing type, stable performance.

² non-preventive explosion, free-standing, ceiling-mounting combustible gas detector

² sound and light alarm, auto-resume function.

widely used in the hotel, restaurant and high-grade apartment.

Principle of the sensor	carrier catalyzing type
Detecting range	0 ~100% LEL
Detecting current	≤35 mA at DC 24V
Alarm current	≤45 mA at DC 24V
Alarm error	±5% LEL
Working temperature	0 ℃ ~ 55 ℃
Relative working humidity	≤93±2%
Working voltage	DC24V
Alarm preset	15%, 25% or 40%LEL optional
Response time	≤30S
Dimension	Ф104mm
Calibration gas	standard gas sample of CH₄ or i-C₄H₁₀
Performance standardization	GB15322.1—2003 GB16808—1997
Output mode	①normal-open connection (matched with different kinds of fire alarm systems) ②address code signal output (matched with QB-DAP2103-GB64 combustible gas alarm controller)

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Principle of the sensor