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GT-WD2200 Fixed Gas Detector

Smart sensor module design, easy for replacement

Built-in buzzer and flasher

Explosion proof structure

LCD screen display

Signal output: 4-20mA / RS485

Mounting type: Wall mounted

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Description

GT-WD2200 is a fixed gas detector installed in a place where potential gas hazard exists to measure oxygen, toxic gas and combustible gas. It shows not only the concentration of gas but also diagnostic result of the unit itself through the LCD screen and can be connected to the control panel with a standard 4-20mA analog output or RS485 digital communication.

Features

Smart sensor module design, easy for replacement

Built-in buzzer and flasher

GT-WD2200 measures the concentration of the flammable gas, toxic gas, oxygen and VOCs

Explosion proof structure

Water and dust proof design

LCD screen display

IR remote control for setting and calibration.

Application

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

Specifications

Measuring gas
Combustible: Catalytic sensor / NDIR sensor
Toxic gas & O2: Electrochemical sensor
CO2 gas: NDIR sensor
VOCs: PID sensor
Measuring range Refer to our gas list
Measuring accuracy ±5%F.S.
Sensor life
Catalytic sensor: 3 years
Electrochemical: 2 years (1 year for O2 sensor)
NDIR sensor:   5 years
PID sensor:    0.6 to 1 year
Measuring type Diffuse naturally
Response time
Catalytic sensor: T90≤30s 
Electrochemical: T90≤60s  
NDIR sensor:   T90≤10s
PID sensor:     T90≤10s 
Signal output 4-20mA / RS485
Alarm output signal
4-20mA type (GT-WD2200): 2 programmable relays 
RS485 type (GT-WD2210): 1 programmable relay
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 G3/4”
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 IP65
Explosive proof Ex d IIC T6
Housing material
Chamber: Aluminum alloy
Sensor cover: Stainless steel 
Dimension and weight 174 x 220 x 105mm, about 2kg

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