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GT-CDI2920Ex Industrial and Commercial Point-Type Flammable Gas Detector

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CDINDUSTRY ( INTERNATIONAL ) . INC
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City:chongqing
Province/State:chongqing
Country/Region:china
Contact Person:MrNathan Liu
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GT-CDI2920Ex Industrial and Commercial Point-Type Flammable Gas Detector

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Brand Name :BOEN FIRE
Model Number :GT-CDI2920Ex
Certification :ISO9001、CCCF、CNEX、SIL2
Place of Origin :CHINA
MOQ :1
Price :Negotiable
Payment Terms :L/C,T/T
Delivery Time :15-20 days
Certification & Standards :Including explosion-proof, SIL certifications, compliant with national standards
Detection Capability :Catalytic combustion (infrared optional), 3~100%LEL range, ≤30s response
Sensor :Hot-swappable, 3-year (catalytic)/5-year (infrared) lifespan, for methane, propane
Alarm :25%/50%LEL high/low thresholds, audible-visual + relay output, 3-color indicator
Communication :4-20mA + RS485, transmission distance ≤1000m
Hardware :DC24V (18~28V), -40~70℃ operating temp, IP66, cast aluminum/stainless steel
Display & Operation :2.2-inch color screen, infrared remote (≤5m)
Maintenance :Calibration every 6 months, annual verification, recalibrate after sensor replacement
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GT-CDI2920Ex Industrial and Commercial Point-Type Flammable Gas Detector


GT-CDI2920Ex Industrial and Commercial Point-Type Flammable Gas DetectorGT-CDI2920Ex Industrial and Commercial Point-Type Flammable Gas Detector


1.Product Overview


This product is an explosion-proof device, suitable for Zone I and Zone II environments where there may be leakage or explosion hazards of flammable or toxic and harmful gases in industries such as petroleum, chemical engineering, gas storage stations, and wine factory production workshops. It is not applicable to Zone 0 or underground coal mine environments. The detector can conduct safe detection and give advance alarms for gas leakage accidents.
The detector features TFT liquid crystal display, infrared remote control, three-wire 4mA-20mA output, RS485 bus communication (Modbus RTU protocol), and passive contact output functions.


2.Product Features


(1) It features a 256-color TFT liquid crystal display (320*240), infrared remote control function, and is easy to debug.
(2) Using hot-swappable sensor bodies makes it convenient to replace them at the usage site.
(3) It has an audible and visual alarm function. When there is a gas leak in the monitored area, the detector will emit urgent sound and light alarm signals.
(4) It has the function of temperature and humidity measurement, which can monitor the temperature and humidity of the usage area and output the data via RS485 to the control system.
(5) It has zero-point correction function, which can avoid measurement errors caused by zero-point drift.
(6) Standard RS485 interface based on Modbus (RTU) protocol.
(7) It can be used in conjunction with our company's JB-QB-CH210 combustible gas alarm controller, PLC, DCS and other systems.
(8) The system is processed by a single-chip microcomputer, featuring strong stability, strong anti-interference capability and low power consumption.


3.Main Technical Data


Item Content
Detection Principle Standard: Catalytic Combustion Optional: Infrared Absorption
Structural Feature Integrated (Transmitter + Hot-swappable Sensor)
Sensor Lifespan Catalytic: 3 years (in clean atmosphere)

Infrared: 5 years (in clean atmosphere)
Detection Range 3~100%LEL (Combustible Gas)
Response Time ≤30s
Sampling Method Natural Diffusion
Resolution 1%LEL
Measurement Error Full Scale ±3%LEL
Low Alarm Value 25%LEL
High Alarm Value 50%LEL
Applicable Gas Combustible Gas (Methane, Propane)
Display Mode TFT 2.2-inch LCD Color Screen
Signal Transmission 4mA~20mA output,

Standard RS485 Interface,

Low/High Alarm Relay,

Audible and Visual Alarm Output
Signal Bus Transmission Distance ≤1000m
Working Voltage DC18V~DC28V (Rated: DC24V)
Power Consumption <2W
Temperature Range -40℃~+70℃
Humidity Range 0~95%RH (No Condensation)
Pressure Range 86kPa~106kPa
Shell Material Metal (Cast Aluminum or Stainless Steel)
Overall Weight Cast Aluminum 1.6KG, Stainless Steel 6Kg
Inlet Thread G3/4"
Installation Method Standard Bracket Wall-mounted Installation
Explosion-proof Mark Ex d IIC T6 Gb/Ex tD A21 IP66 T80℃
Protection Class IP66
Dimensions 251×204×116 (mm)


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