Gas Detector

Specifications	Fixed Hydrogen Detector	Fixed Acetylene Detector
Material	Aluminum alloy waterproof and dustproof casing	Aluminum alloy waterproof and dustproof casing
Sensing principle	Semiconductor	Catalytic combustion type
Detected gas type	Hydrogen	Acetylene
Detection range	0 – 1,000 ppm (Minimum measurement capability: 20 PPM)	0 – 100%LEL(0 – 25,000 ppm) (Minimum measurement capability: 250 ppm)
Resolution/Accuracy/Sampling Frequency	1 ppm / ±15% / Continuous	25 ppm / ±10% / Continuous
Alarm set value	Default high alarm High level alarm 300 ppm (or customized by user)	Default high alarm High level alarm 10% LEL (or customized by user)
Output	1 个 a 接点 / 30VDC/1A(relay output type)	1 个 a 接点 / 30VDC/1A(relay output type)
Alarm sound	High brightness LED red warning flash Piezoelectric warning buzzer	High brightness LED red warning flash Piezoelectric warning buzzer
Backlit alphanumeric display	LCD	LCD
Equivalent protection class	IP65 / EEx ia IIC T5	IP65 / EEx ia IIC T5
Dimensions (approximately)	193 mm x 91 mm x 40 mm	193 mm x 91 mm x 40 mm
Weight (approximate value)	700 g	700 g
Power supply	24VDC	24VDC
Maximum power consumption (approximate value)	3 W	3 W