Hydrocarbon Gas Detection and Alarm System

The Hydrocarbon Gas Detection and Alarm System of OKet consists of hydrocarbon gas detectors and hydrocarbon gas alarm controllers.


System Introduction:


OKet's hydrocarbon gas detection and alarm system includes wired and wireless versions.

The system has two parts: thehydrocarbon gas detector (wired or wireless) and the alarm controller (wired or wireless). The detector uses NDlR technology to detect hydrocarbon gases like gasoline vapor and hydrocarbons. When gas levels reach the set alarm threshold, it triggers an alarm and sends a signal to the alarm controller and control platform. This allows managers to monitor all sites in real time from one place.


  • System Composition


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  • Product Advantages


1. Complies with national standards and is applicable to multiple scenarios.

2. High range and long service life.

The  hydrocarbon gas detector is based on the non-dispersive infrared absorption principle, with no loss during the detection process and stable status.

3. Friendly display and acousto-optic warning.

Real-time display of  hydrocarbon gas concentration, multi-level alarm status, and equipped with acousto-optic alarm function.

4. Fault self-inspection, safe and reliable.

Supporting self-inspection of fault status, including power failure, circuit failure, etc.

5. Diverse communication, real-time and efficient.

The wired  hydrocarbon gas detector can support RS485/4-20mA/relay communication methods, and the wireless  hydrocarbon gas detector transmits signals via LoRa, the alarm controller reserves a communication interface, supports uploading of alarm information, and can be used in interlock with other monitoring and early-warning systems.

6. Flexible installation, simple and easy to use.

Supports multiple installation methods. The wireless  hydrocarbon gas detector can achieve wireless communication without being restricted by on-site wiring.



Specifications:

   

Technical parameters of  Hydrocarbon Gas Alarm Controller 
Technical SpecificationsLM-G1 Hydrocarbon Gas Alarm ControllerLM-G2 Hydrocarbon Gas Alarm Controller 
Detector Input Signal4-20 mA or RS485Wireless (LoRa) 
Communication MethodRS485RS485
Maximum Number of Detectors SupportedStandard configuration: 24 units, maximum of 40 units Standard configuration: 24 units, maximum of 64 units (Wireless) 
Operating VoltageAC 220V ±10%AC 220 V±10%
Dimensions345*410*183 mm240*350*134 mm
Operating Ambient Temperature-10°C~45°C-10°C~45°C
Storage Ambient Temperature-30°C~55°C-30°C~55°C
Relative Humidity<95% RH<95% RH
Power ConsumptionDC 24 V, 15 WDC 24 V, 15 W
Standby Power Supply24 V 7 Ah, Lead-acid batter24 V 1.3 Ah, Lead-acid batter
Response TimeAlarm response time <10 s, Fault response time <40 s Alarm response time <2 s, Fault response time <20 s 


Technical Parameters of Hydrocarbon Gas Detector 
Technical SpecificationsET01 Hydrocarbon Gas Detector 

GT-ET01 Hydrocarbon Gas Detector

(Wireless- Universal Type)

BTYQ-ET01 Hydrocarbon Gas Detector (Wireless-Magnetic)
Operating Temperature-40°C ~70°C-40°C ~70°C-40°C ~70°C
Measurement Range(0~100)% LEL(0~100)% LEL(0~100)% LEL
Communication MethodResolutionRS485 / 4-20 mA / RelayWireless (LoRa) LoRa 
Resolution1% LEL1% LEL1% LEL
High Limit Alarm50% LEL50% LEL50% LEL
Low Limit Alarm (5~25)%  LEL (Adjustable)(5~25)%  LEL (Adjustable)(5~25)%  LEL (Adjustable)
Measurement Accuracy±3% F.S.±3% F.S.±3% F.S.
Response Time≤30 s (T90)≤30 s (T90)≤15 s (T90)
Protection Level IP66IP65IP68
Ex-proof TypeEx-proof typeIntrinsically safe typeIntrinsically safe type
Ex-proof Grade (Safety Level)Ex d IIC T6 GbEx ib IIC T6 GbEx ia IIC T4 Ga
Battery and Charging Frequency 24 V 

Disposable lithium battery

/Rechargeable lithium battery (can last 6-12 months on a single charge)

Powered by disposable lithium batteries, with a lifespan of 3-5 years
Common Detectable GasesGasoline, isobutane, propane, alcohols, n-butane, ethane, methane, natural gas, etc. 

 

 


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