High-Quality GTYQ-AT0501 Explosion Proof Combustible Gas Detector Suppliers, Factories

Product Description

Description

The GTYQ-AT0501 is a professional explosion and dust ignition proof detector dedicated to continuous monitoring of natural gas, LNG and other flammable gases in hazardous industrial locations. It comes with a standard audible and visual alarm interface, supporting on-site expansion to match diverse site alert requirements. Equipped with a dual-wire outlet, this unit simplifies on-site wiring and installation, cutting down construction time and labor costs. Its digital sensor assembly supports plug-and-play replacement, eliminating the need for complicated on-site calibration and ensuring stable detection performance. With an IP66 protection grade, it adapts to harsh working environments with heavy dust, moisture and temperature fluctuations. The detector supports both XBUS 2-wire and 4-wire communication protocols, enabling smooth integration with mainstream safety monitoring systems. It is widely applied in oil refineries, chemical plants, gas storage stations and manufacturing workshops, delivering reliable and long-term gas monitoring to prevent leakage risks and protect on-site workers and equipment safety.
Explosion-Proof

Certified explosion and dust ignition proof protection for hazardous industrial locations.

Plug-and-Play

Digital sensor assembly enables fast replacement without complicated calibration.

IP66 Rated

Highly robust housing structure designed for dusty, wet, and harsh operations.

Detector Specifications

Parameter Value
Model GTYQ-AT0501
Measuring Gas Combustible gases (Methane, propane, isobutane, hydrogen, etc.)
Measuring Type Diffusion type
Measuring Method Catalytic
Measuring Range 0-100% LEL
Response Time < 15sec / 90% scale
Accuracy ±3% / Full Scale
Operation Mode Display Normal / Alarm / Trouble LED
Power 24V DC nominal, 18 to 31V DC
Alarm Signal Output Light and sound output / 50mA
Output Signal XBUS 2/4 wire
Conduit Connection Standard: 2xM26x1.5P | Option: FPT3/4", NPT3/4"
Mounting Type Wall / Pole / Ceiling mount
Operating Temperature -40°C ~ +70°C
Operating Humidity 5 to 95% RH (Non-condensing)
Housing Material Aluminum alloy
Dimensions 146(W) x 144.5(H) x 70.5(D) mm
Explosion Proof Ex db IIC T6 Gb

Sensor Specifications

Parameter Value
Sensor Type Catalytic Type
Measuring Gas Combustible gases
Measuring Range 0~100% LEL
Operating Temperature -40°C ~ +70°C
Typical Life 36 months
Response Time <15sec / 90% scale

Sensor Features (Catalytic Type)

Linear Output Output signal shows a good linear relationship with gas concentration, enabling precise concentration readings.
High Stability Minimal performance fluctuations during long-term use, ensuring reliable detection results.
High Sensitivity & Fast Response Quickly captures gas concentration changes and triggers timely alerts.
Broad-Spectrum Capability Detects most flammable gases and flammable vapors (e.g., hydrogen (H₂), methane (CH₄), propane (C₃H₈), ethanol vapors, etc.).
Poisoning Resistance & Low Consumption Exhibits certain tolerance to common poisoning substances (e.g., silicon, lead compounds), with a long service life and low attrition rate.

Frequently Asked Questions

What types of gases can the GTYQ-AT0501 detector monitor?
It is designed for the continuous monitoring of natural gas, LNG, and other flammable gases and vapors such as methane (CH₄), propane (C₃H₈), isobutane, and hydrogen (H₂).
Does the sensor require complex on-site calibration during replacement?
No, the detector features a digital sensor assembly that supports plug-and-play replacement, which completely eliminates the need for complicated calibration processes on site.
How does the unit adapt to harsh environmental conditions?
It is built with an aluminum alloy housing providing IP66 protection, making it highly resistant to heavy dust and moisture. It also features a wide operating temperature range from -40°C to +70°C.
What wiring and communication systems are supported?
The detector supports both XBUS 2-wire and 4-wire communication protocols for system integration. Its dual-wire outlet design simplifies field installation and reduces construction time.
What are the key advantages of the catalytic type sensor?
The catalytic sensor offers a highly linear output, excellent long-term stability, quick response times, broad-spectrum capability, and a notable resistance to common sensor poisons like silicone and lead.

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