Industrial and Commercial Point Type Combustible Gas Detector GTQ-WD2200

GTQ-WD2200/WD6200 is an industrial and commercial point type combustible gas detector (hereinafter referred to as the detector). This detector is manufactured using high-performance gas sensing components and microcontroller technology, combined with sophisticated SMT technology. It has good repeatability and temperature and humidity characteristics, as well as long service life and easy operation.

High measurement accuracy, stable performance, and long service life

IP67 high protection

Quick response

Adopting high-performance LCD display, intuitive and clear

4-20mA standard analog signal output, RS485 RTU digital communication

Using a magnetic stick/infrared remote control to operate the detector, easy to carry and simple to operate

Supporting installation bracket, easy and convenient on-site installation

Digital sensor module, calibration free, easy to maintain

Equipped with sensor calibration reminder and failure reminder functions

Supports Bluetooth communication and can interconnect with portable instruments with Bluetooth functionality

Equipped with remote upgrade function (optional)

Equipped with HART certification, supporting HART handheld devices, capable of querying detector parameters and settings

Support external digital sound and light alarm

This detector is widely used in refineries and chemical plants in the petroleum and petrochemical industries, as well as in industries such as metallurgy, electricity, gas, catering, and aquaculture where combustible gases may cause explosions.

Sensor type: Catalytic combustion

Natural diffusion sampling method

Working voltage DC24 ± 6V

Power consumption ≤ 3.6W

Response time (t90) ≤ 15s

Output signal 4-20 mA RS485-RTU

Switching quantity 1. Low alarm relay: The common terminal is connected to the normally open end by default (switched to the normally closed end after low alarm), and the contact capacity is DC 30V@3A Or AC 250V@3A

2. High alarm relay: The common terminal is connected to the normally open terminal by default (switched to the normally closed terminal after high alarm), with a contact capacity of DC 30V@3A Or AC 250V@3A

3 Fault Relay: The common terminal is connected to the normally open terminal by default (switched to the normally closed terminal after a fault), with a contact capacity of DC 30V@3A Or AC 250V@3A

Continuous monitoring of working mode

Operation method: Magnetic stick/infrared remote control (compatible with IR05 infrared remote control)

Status indicator: yellow fault indicator light, red alarm indicator light, green normal monitoring status indicator light

Working temperature -40~70 ℃

Working humidity ≤ 95% RH without condensation

Environmental pressure: 86KPa -106KPa

Protection level IP67

Explosion proof rating Ex d Ⅱ C T6 Gb/Ex tD A21 IP67 T80 ° C

Shell material: cast aluminum

Dimensions: 130mm × 209mm × 116mm

The total weight of the machine is 2kg

Electrical interface NPT3/4

Use shielded cables with a diameter of ≥ 1.5mm2 × 4, and the outer diameter of the cable should be between 6-9mm.

Line transmission performance ≤ 1000m (between detector and controller)

Sensor lifespan of 3 years (catalytic sensor)

Following the standard GB 15322.1-2019 "Combustible Gas Detectors Part 1: Industrial and Commercial Point Type Combustible Gas Detectors"