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As an enhanced iteration of the AT0602 series, the GTYQ-AT0602A delivers stronger compatibility and scalability for modern industrial safety monitoring. It features a rugged explosion and dust ignition proof structure, ensuring safe operation in explosive hazardous areas. The three-color alarm light clearly identifies normal, fault and alarm states, offering intuitive and fast status recognition for on-site operators. Running on AC220V power supply, it supports independent stable operation, suitable for both new construction and retrofitting projects. Infrared remote control realizes non-intrusive debugging, making daily setup and maintenance more convenient and safer. The digital sensor assembly can be replaced without on-site calibration, maintaining high detection accuracy while reducing maintenance workload. With IP66 protection, it adapts to harsh environments with dust, humidity and water splashing. It is equipped with a high-brightness digital tube display and supports offline valve detection, wireless solenoid valve connection and automatic power-off valve cut-off. Direct interlock with industrial solenoid valves ensures rapid risk response. Furthermore, it supports IoT cloud platform centralized control and is equipped with multi-standard expansion ports for optional functional modules, satisfying diversified and customized monitoring demands.
| Model | GTYQ-AT0602A |
| 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 / High Alarm / Low Alarm / Trouble LED |
| Measuring Value Display | Digital tube |
| Power | AC220V / 50Hz |
| Alarm Signal Output | Built-in light and sound alarm |
| Output Signal | Optional expansion module: 4-20mA / One-channel isolated RS485 / HART / NB-IoT / 4G / One-channel passive relay output / HBUS |
| Relay Output | Two-channel adjustable relay output, AC220V/1A One-channel DC24V pulse output, DC24V/2A |
| Conduit Connection | Standard: 3×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 | 157.5(W) × 207(H) × 90(D) mm |
| Explosion Proof | Ex db IIC T6 Gb |
| Certification | Refer to documentation |
| Sensor Type | Measuring Gas | Measuring Range | Operating Temperature | Typical Life | Response Time |
| Catalytic Type | Combustible gases | 0~100% LEL | -40~+70°C | 36 months | <15sec / 90% scale |
| Catalytic Type |
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Linear Output — Output signal shows a good linear relationship with gas concentration, enabling precise concentration readings.
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High Stability — Minimal performance fluctuations during long-term use, ensuring reliable detection results.
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High Sensitivity & Fast Response — Quickly captures gas concentration changes and triggers timely alerts.
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Broad-Spectrum Capability — Detects most flammable gases and flammable vapors (e.g., hydrogen (H₂), methane (CH₄), propane (C₃H₈), ethanol vapors, etc.).
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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.
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