Earlier Alarm, Faster Fire-fighting, Less Loss.
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Earlier Alarm, Faster Fire-fighting, Less Loss.
1. Overview
The G750 gas detector is the company's new generation of flammable, toxic and hazard gas detection instruments. It uses advanced FisPro proprietary gas circuit design technology, which can greatly extend the service life of the sensor and supports multiple detection principles such as infrared, catalytic, electrochemical, PID, and semiconductor. , combined with smart sensor technology and temperature compensation technology, can continuously and accurately detect the leakage concentration of hazardous gases in the environment. Unique sensor life cycle management makes on-site maintenance simpler and more convenient. The instrument meets the dual explosion-proof levels of gas explosion-proof Ex db ib IIC T6 Gb, dust explosion-proof Ex tb IIIC T80℃ Db, and IP66 protection level. The shell is made of aluminum alloy Teflon spraying or SS316L stainless steel, which has excellent corrosion resistance and is especially suitable for use in harsh and harsh environments.
2. Specifications
Detection principle: Infrared absorption/Catalytic combustion/Semiconductors/Electrochemistry/PID
Detection method: Free diffusion
Measurement accuracy: ±1%LEL (Infrared absorption) / ±3%LEL (Catalytic combustion) /±5umol/mol (CO)
Sensor life: 5~8 years (Infrared absorption) / ≥2 years (Catalytic combustion, Semiconductors, Electrochemistry) / ≥5 years (PID) (The actual service life is related to the environment)
Response time: T90<20s (CH4)
Display mode: Patented design color LED module
Alarm mode: Comes with red sounder beacon
Adjustment mode: Infrared remote control
Installation mode: Fixed installation, hold pipes, wall-mounted or ceiling-mounted
Operating voltage: 24Vdc ((18~32V)
Power consumption: ≤ 3W normal, ≤ 5W alarm
Output: 3 sets of relay outputs (2A 30Vdc) and red sounder beacon
Communication mode: RS485(Modbus RTU), 4~20mA optional
Alarm threshold: Low alarm at 25% LEL, High alarm at 50% LEL
Operating temperature: -40℃ ~+70℃ (-40℃~50℃ for PID, 20℃~+50℃ for Electrochemistry)
Humidity range: 10%~95%RH (no condensation)
Electrical interfaces: 3 * NPT3/4 (adapters can be customized according to needs)
Housing material: Aluminum alloy with Teflon PTFE spray coating (SS316L stainless steel material optional)
Explosion-proof type: Flameproof & Intrinsically safe
Explosion-proof rating: Ex db ib IIC T6 Gb & Ex tb ib IIIC T80°C Db
Ingress protection: IP66
Dimensions: 218*169*76mm
Weight: 1.7kg (Aluminum alloy) / 2.2kg (SS316L stainless steel)
Certification: FM, SIL3, BV, CCC, CPA, CNEx
3. Main Features
Teflon surface treatment: Corrosion resistance: acid, alkali, salt and organic solvent resistance; Wear resistance: low friction, effectively preventing paint from falling off; High temperature resistance: no embrittlement at low temperatures and no melting at high temperatures.
Comes with sounder beacon and works independently: 360° full-view light alarm, alarm sound ≥80dB; Sounder beacon can independently select working modes (sound only, light only, sound and light at the same time).
Sensor life cycle display and management: The sensor maintenance cycle can be set, and maintenance reminders are given regularly; self-diagnostic sensors are given replacement reminders before failure.
Selected high-quality sensors: Poison-free and long life; imported with original packaging, resistant to poisoning and catalysis; good selectivity and small cross-reaction.
Support NB-IOT Internet of Things
Intuitive display and easy operation: Large-screen color LED display, visible from a distance; display content is layered according to importance, and the content is complete and clearly legible.
Long-distance infrared remote control operation: Internal modular design, easy maintenance, remote control operation distance is more than 10 meters; the remote control has intrinsically safe explosion-proof certification.
Easy to install and flexible to expand: 3 NPT3/4 electrical interfaces; easy to install on the wall, ceiling, and tube; Different input and output modules can be built according to the usage scenario, with strong scalability.
FisPro proprietary air path design: greatly improves the service life of the sensor; reduces measurement errors caused by changes in wind speed and air pressure; has fast air flow speed and response time, T90<15S; effectively prevents air path blockage.
IP66 protection level: Not afraid of water shower, water spray, and water splash; can work 1 meter underwater for 30 minutes.
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They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.
