Flammable Gas Detection and Alarm System
The Flammable Gas Detection and Alarm System of OKet consists of flammable gas detectors and flammable gas alarm controllers.
  • Product Introduction

The Flammable Gas Detection and Alarm System of OKet consists of flammable gas detectors and flammable gas alarm controllers. The flammable gas detector is independently developed and manufactured by OKet based on the principle of non-dispersive infrared absorption. It mainly detects flammable gases and immediately emits an alarm when the preset alarm value is reached. At the same time, it transmits information to the flammable gas alarm controller at the alarm terminal and triggers signal linkage to the control platform, assisting management personnel in centralized and real-time monitoring of the environmental conditions at all monitoring points.

  • Product Image图片1.jpg Features of Wired Flammable Gas Detection and Alarm System:

- Suitable for multiple scenarios.

- Based on non-dispersive infrared absorption principle, long lifespan, high range, stable status.

- Real-time display of flammable gas concentration by detector, OLED screen displaying multi-level alarm status, with sound and light alarm prompts.

- Detector equipped with self-check function for 19 fault states, including power supply failure, circuit failure, etc.

- Controller with reserved communication interface, supports alarm information upload, can be used in conjunction with other monitoring and early warning systems.

- Explosion-proof design, safe and stable.

     Features of Wireless Flammable Gas Detection and Alarm System:

- Suitable for multiple scenarios.

- Based on non-dispersive infrared absorption principle, long lifespan, high range, stable status.

- Real-time display of flammable gas concentration by detector, with sound and light alarm prompts.

- Detector equipped with self-check function for 19 fault states.

- Controller transmits signals to the alarm controller via LoRa wireless communication.

- Detector powered by rechargeable lithium battery.

- Personnel can set up the detector via remote control.

- Explosion-proof design, safe and stable.

n  Datasheet

n   Flammable Gas Alarm Controller Technical Parameters

Technical SpecificationsLM-G1 Flammable Gas Alarm ControllerLM-G2 Flammable Gas Alarm Controller G1-BL Flammable Gas Alarm Controller
Detector Input Signal4-20mA或RS485Wireless (LoRa) Wireless (LoRa) 
Communication MethodRS485RS485RS485
Maximum Number of Detectors SupportedStandard configuration: 24 units, maximum of 40 units Standard configuration: 24 units, maximum of 64 units (Wireless) Standard configuration: 8units, maximum of 40 units 
Operating VoltageAC220V±10%AC220V±10%AC220V±10%
Dimensions345mm*410mm*183mm240mm*350mm*134mm261mm*163.5mm*128mm
Operating Ambient Temperature-10°C~45°C-10°C~45°C-20°C~45°C
Storage Ambient Temperature-30°C~55°C-30°C~55°C-40°C~60°C
Relative Humidity<95%RH<95%RH<95%RH
Power ConsumptionDC24V,15WDC24V,15WDC24V,15W
Standby Power Supply24V 7Ah, Lead-acid batter24V 1.3Ah, Lead-acid batter
Response TimeAlarm response time <10s, Fault response time <40s Alarm response time <2s, Fault response time <20s Alarm response time <2s, Fault response time <20s 



n  
Flammable Gas Detector Technical Parameters

Technical SpecificationsET01 Flammable Gas Detector ET01-L Flammable Gas Detector (Wireless Type)
Operating Temperature-40°C ~70°C-40°C ~70°C
Measurement Range(0~100)%lel(0~100)%lel
Communication MethodResolutionRS485/4-20mA/RelayWireless (LoRa) 
Resolution1%lel1%lel
High Limit Alarm50%LEL50%LEL
Low Limit Alarm 25%LEL25%LEL
Measurement Accuracy±3%f.s±3%f.s
Response Time≤30s(T90)≤30s(T90)
Protection Level IP65IP65
Explosion-proof TypeExplosion-proof TypeIntrinsically Safe Type
Battery and Charging Frequency 
Detector Backup Battery: 1 piece, can be used for 6 to 12 months on a single charge 
Common Detectable GasesGasoline, isobutane, propane, alcohols, n-butane, ethane, methane, natural gas, etc. 

 

 

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