G800 fixed point gas detector G811-B type-Shenzhen Hong'an Explosion-proof Technology Co., Ltd.

G800 fixed point gas detector G811-B type

Specifications
Sampling Method	Passive diffusion
Measurement Range	0-100 %LEL
Basic Error	0-60 %LEL:±3% F.S
	60-100 %LEL:±5% F.S
Resolution	1 %LEL
Response Time (T90)	≤25s
Screen Type	7-segment digital display
Alarm Sound Level	>80 dB @1m

Environmental Parameters
• Operating Temperature	-10-55℃ (indoor type)
	-40-70℃ (outdoor type)
• Storage Temperature	-40-70℃
• Operating Humidity	≤98%
• Operating Pressure	80kPa-116kPa
Power Specifications
• Operating Voltage	12-24VDC
• Power	<3W
Communication Specifications
• Communication Interface	Default 4-20mA (optional RS485/wireless LoRa)
	Modbus RTU
• Communication Protocol
Mechanical Structure
• Enclosure Material	Aluminum alloy
• Protection Level	IP66
• Weight	2.1kg

Typical Application Scenarios

Oil and Gas Extraction Safety

• Real-time Methane Leak Monitoring and Automatic Interlocking Control on Drilling Platforms

• Dynamic early warning for combustible gas concentration in hydraulic fracturing operation areas and long-distance pipeline monitoring

• 24/7 leak monitoring for natural gas valve rooms/regulating stations

• Safety protection and storage and transportation facilities control in explosion-proof areas for subsea pipeline terminal equipment

• Continuous assessment of explosion risk in LNG tank dike areas

• Real-time tracking of combustible gas dispersion in oil depot loading and unloading areas

Industrial process monitoring

• Methane accumulation early warning around chemical plant reactors

• Concentration optimization control of biogas purification devices for urban infrastructure

• Intelligent monitoring network for combustible gases in underground utility tunnels

• Safety interlocking for biogas collection systems in landfill sites

Product details

Hong'an Explosion Protection