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Product Introduction
RAEGuardS LEL is a flameproof combustible gas detector that uses intelligent digital catalytic sensor detection technology and a fixed installation method. It can be widely applied in fields such as petroleum, petrochemicals, metallurgy, chemical engineering, fire protection, gas, environmental protection, electricity, communication, papermaking, printing and dyeing, sewage treatment, food brewing, scientific research, education, national defense, etc.
Product Features
Smart Sensor: Adopting intelligent processing platform and digital sensor technology, it has strong anti poisoning and anti-interference capabilities, realizing sensor exchange, offline calibration, and zero point self calibration functions
Multiple signal outputs: adjustable standard 4-20mA (three wire system) RS485 Modbus、 Three level switch output (normally open/normally closed optional), which can be easily connected to industrial control systems such as PLC/DCS, or used as a standalone control
Friendly human-machine interface: Large dot matrix LCD display, supporting both Chinese and English interfaces; No need to open the cover, infrared remote control operation, single person maintenance; Local alarm indication, integrated sound and light alarm (optional)
Stainless steel casing: Made of stainless steel casing, it can be applied to extremely complex and harsh working environments
International certification: Through ATEX, UL and other certifications, it has international high-end quality
Product Specifications
Detection Principle
Catalytic combustion type
sensor
Smart Sensor
sampling method
diffusion
working power supply
9~36VDC
maximum power
170mA@24VDC
output signal
4~20mA, fine-tunable
Load impedance
600Ω
Protection level
IP65
detection accuracy
±2%F.S.
Response time (T90)
<15s
electrical interface
3/4” NPT M
Installation method
2” Vertical pipe/wall mounted installation
Other outputs
RS485 Modbus, Two level programmable passive relay 30VDC 2A
ambient temperature
-40℃~+70℃
ambient humidity
0~95% RH (no condensation)
environmental stress
90kPa to 110kPa
display mode
LCD display, four-color alarm indicator light
Overall dimensions
168mm×150mm×109mm(HWD)
Shell material
stainless steel
weight
3.5kg
ATEX
(Ex)II 2G EEx d ⅡCT6
Explosion-proof certification
Ex d II CT6
Fire Certificate
R0S
