Description
The GTYQ-AT0505/d is a display-enhanced model of the AT0505 series, combining powerful output functions with intuitive on-site data reading. It features a rugged explosion and dust ignition proof structure, ensuring safe and stable operation in explosive hazardous environments. The standard alarm interface supports on-site expansion, and the dual-wire wiring scheme brings convenience to installation and system transformation. The digital sensor assembly supports calibration-free replacement, maintaining high detection precision after maintenance. With IP66 ingress protection, it is fully adaptable to harsh industrial environments with heavy dust and humidity. It supports XBUS 2/4-wire communication, dual-channel relay output and one-channel sound-light alarm signal output, realizing efficient linkage with safety protection equipment. A high-brightness digital tube display is added to show real-time gas concentration clearly, even in low-light or outdoor environments. This model is ideal for industrial sites that demand both multi-signal output and direct on-site data visualization.
🛡️ Explosion & Dust Ignition Proof
💧 IP66 Ingress Protection
📡 XBUS 2/4-Wire Communication
🔔 Dual-Channel Relay Output
🔦 High-Brightness Digital Display
🔧 Calibration-Free Sensor Replacement
Detector Specification
| Model | GTYQ-AT0505/d |
| Measuring gas | Combustible gases (Methane, propane, isobutane, hydrogen, etc.) |
| Measuring type | Diffusion type |
| Measuring method | Catalytic |
| Measuring Range | 0–100% LEL |
| Response time | < 15 sec / 90% scale |
| Accuracy | ±3% / Full Scale |
| Operation mode display | Normal / High Alarm / Low Alarm / Trouble LED |
| Measuring value display | Digital tube |
| Power | 24V DC nominal, 18 to 31V DC |
| Alarm signal output | Light and sound output / 50mA |
| Output signal | XBUS 2/4 wire |
| Relay output | One-channel 24V/1A |
| Conduit connection | Standard: 2×M26×1.5P 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 | 150(W) × 152.6(H) × 71(D) mm |
| Explosion Proof | Ex db IIC T6 Gb |
| Certification | Refer to website |
Sensor Specification
| Sensor Type | Measuring Gas | Measuring Range | Operating Temperature | Typical Life | Response Time |
|---|---|---|---|---|---|
| Catalytic Type | Combustible gases | 0–100% LEL | -40 ~ +70°C | 36 months | <15 sec / 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
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❓ What types of combustible gases can the GTYQ-AT0505/d detect?The GTYQ-AT0505/d uses a catalytic-type sensor capable of detecting a wide range of combustible gases and flammable vapors, including methane (CH₄), propane (C₃H₈), isobutane, hydrogen (H₂), ethanol vapors, and more — covering most common industrial flammable gas risks.
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❓ What is the explosion-proof certification of the GTYQ-AT0505/d?The detector carries an explosion-proof rating of Ex db IIC T6 Gb, which qualifies it for use in Zone 1 and Zone 2 hazardous areas involving gas group IIC (including hydrogen), at a maximum surface temperature of T6.
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❓ Does the GTYQ-AT0505/d require sensor recalibration after replacement?No. The GTYQ-AT0505/d features a digital sensor assembly that supports calibration-free replacement. After replacing the sensor module, the detector maintains its original detection precision without requiring a new calibration procedure, significantly reducing maintenance downtime.
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❓ What communication and output options does the GTYQ-AT0505/d support?The detector supports XBUS 2/4-wire communication, providing flexible integration into control systems. It also offers dual-channel relay output (one-channel 24V/1A) and one-channel sound-light alarm signal output (50mA), enabling comprehensive linkage with safety protection equipment.
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❓ What is the ingress protection level, and what environments is this detector suited for?The GTYQ-AT0505/d is rated IP66, providing complete protection against dust ingress and powerful water jets. It is well-suited for harsh industrial environments including heavy dust, high humidity, and outdoor installations. The operating temperature range of -40°C to +70°C and operating humidity of up to 95% RH (non-condensing) further enhance its versatility.
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❓ What makes the GTYQ-AT0505/d different from other models in the AT0505 series?The key distinction of the GTYQ-AT0505/d is its high-brightness digital tube display, which allows operators to read real-time gas concentration values directly on-site — even in low-light or outdoor conditions. This makes it especially suitable for industrial sites that require both multi-signal output capability and direct on-site data visualization, without relying solely on remote monitoring systems.