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TC100N Fixed Gas Detector

ATEX approved

4-20mA analog or RS485 digital output

Sensor module design, easy for replacement

Sensor type: Electrochemical or Catalytic

Ingress protection: IP65

Housing material chamber: Aluminum alloy



TC100N is a fixed gas detector installed in a place where potential gas hazard exists to measure oxygen, toxic gas and combustible gas. With ATEX approval, It is suitable for explosive environment use. It communicates with the control panel through 4-20mA analog output or RS485 digital signal.


ATEX approved

4-20mA analog or RS485 digital output

2 relay output for 4-20mA type

Sensor module design, easy for replacement


Steelworks, Petrochemical plants, Shipyards, Water treatment plants, Mines, Power plants, Food industry etc.


Measuring gas O2 CO H2S Combustible
Measuring range 0-25%VOL 0-500ppm 0-100ppm 0-100%LEL
Sensor type Electrochemical Electrochemical Electrochemical Catalytic
Resolution 0.1%VOL 1ppm 1ppm 1%LEL
Sensor life 1 year 2 years 2 years 2 years
Measuring type Diffuse naturally
Response time Toxic gas and O2: T90≤60s         Combustible: T90≤30s
Signal output 4-20mA / RS485
Alarm output signal 2 programmable relays for 4~20mA type
Cable / distance 4-20mA type: 1.5 MM2, 3 wire, shielded,1000m (maximum)
RS485 type: 1.5 MM2, 4 wire, shielded, 1000m (maximum)
Conduit connection G1/2”
Mounting type Wall mounted
Working temperature Toxic gas: -20℃~+50℃     Combustible: -40℃~+70℃
Working humidity    <95%RH (no condensation)
Operation voltage DC24V±25%
Consumption <2W
Ingress Protection II 2G   Ex db IIC T6 Gb
Housing material Chamber: Aluminum alloy
Sensor cover: Stainless steel
Dimension and weight 196×186×68.5mm, about 1.2kg
Approval II 2G   Ex db IIC T6 Gb

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