Description
The AT0602 is a versatile multi-gas explosion-proof detector specially developed for monitoring oxygen concentration, toxic gases and VOCs in hazardous industrial environments. Unlike conventional combustible gas detectors, it focuses on non-flammable hazardous gas monitoring, covering a wider range of industrial safety demands.
- ⚡Independent AC220V Power Supply: Standalone stable operation without an additional control unit, suitable for decentralized monitoring.
- 📡Infrared Remote Control: Non-intrusive debugging for safe and convenient parameter configuration without disassembling the equipment.
- 🔌Plug-and-Play Digital Sensor: No on-site calibration required after sensor replacement, greatly improving maintenance efficiency.
- 🛡️IP66 Protection Grade: Resistant to dust and water intrusion, ensuring stable performance in harsh industrial environments.
- 💡High-Brightness Digital Display: Clear real-time data reading with digital tube display.
- 🌐IoT Cloud Platform: Remote centralized monitoring and management for chemical plants, laboratories, waste treatment facilities and other high-risk sites.
Detector Specification
| Model | AT0602 |
| Measuring Gas | Oxygen / Toxic / VOC gases |
| Measuring Type | Diffusion type |
| Measuring Method | Electrochemical / Infrared / PID / Semiconductor |
| Measuring Range | Depend on sensor type |
| Response Time | Depend on sensor type |
| Accuracy | Depend on sensor type |
| 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 | Option: 4-20mA / NB-IoT / 4G / 2.4G |
| 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 | Infrared: -40°C ~ +70°C Electrochemical: -20°C ~ +50°C PID: -20°C ~ +55°C |
| Operating Humidity | 5 to 95% RH (Non-condensing) |
| Housing Material | Aluminum alloy |
| Dimensions | 157.5(W) × 178.4(H) × 90(D) mm |
| Explosion Proof | Ex db IIC T6 Gb |
| Certification | Refer to website |
Sensor Specification
| Sensor Type | Measuring Gas | Molecular Formula | Measuring Range | Operating Temperature | Typical Life | Response Time |
|---|---|---|---|---|---|---|
| Infrared Type | Combustible gases | / | 3–100%LEL | -40~+70℃ | 60 months | <30sec / 90% scale |
| Carbon dioxide | CO₂ | 0~2%vol | -40~+70℃ | 60 months | <45sec / 90% scale | |
| Nitrous oxide | N₂O | 0–1000ppm | -40~+70℃ | 60 months | <45sec / 90% scale | |
| Electrochemical Type | Carbon Monoxide | CO | 0–50ppm | -20~+50℃ | 24 months | <10sec / 90% scale |
| Hydrogen Sulfide | H₂S | 0–20ppm | -20~+50℃ | 24 months | <12sec / 90% scale | |
| Sulfur dioxide | SO₂ | 0–20ppm | -20~+50℃ | 24 months | <10sec / 90% scale | |
| Ammonia | NH₃ | 0–100ppm | -20~+50℃ | 24 months | <50sec / 90% scale | |
| Oxygen | O₂ | 0~30%vol | -20~+50℃ | 24 months | <15sec / 90% scale | |
| Formaldehyde | CH₂O | 0–2ppm | -20~+50℃ | 24 months | <15sec / 90% scale | |
| Chlorine | Cl₂ | 0–5ppm | -20~+50℃ | 24 months | <25sec / 90% scale | |
| Bromine | Br₂ | 0–5ppm | -20~+50℃ | 24 months | <60sec / 90% scale | |
| Hydrogen Chloride | HCl | 0–15ppm | -20~+50℃ | 24 months | <30sec / 90% scale | |
| Hydrogen Fluoride | HF | 0–7ppm | -20~+50℃ | 18 months | <30sec / 90% scale | |
| Hydrogen Bromide | HBr | 0–10ppm | -20~+50℃ | 24 months | <70sec / 90% scale | |
| Hydrogen Cyanide | HCN | 0–3ppm | -20~+50℃ | 24 months | <10sec / 90% scale | |
| Nitrogen Dioxide | NO₂ | 0–20ppm | -20~+50℃ | 24 months | <20sec / 90% scale | |
| Nitric Oxide | NO | 0–20ppm | -20~+50℃ | 24 months | <30sec / 90% scale | |
| Silane | SiH₄ | 0–15ppm | -20~+50℃ | 24 months | <60sec / 90% scale | |
| Ethylene Oxide | C₂H₄O | 0–20ppm | -20~+50℃ | 24 months | <25sec / 90% scale | |
| Vinyl Chloride | C₂H₃Cl | 0–10ppm | -20~+50℃ | 24 months | <90sec / 90% scale | |
| Carbon Disulfide | CS₂ | 0–5ppm | -20~+50℃ | 24 months | / | |
| Acrylonitrile | C₃H₃N | 0–2ppm | -20~+50℃ | 24 months | <30sec / 90% scale | |
| Carbonyl Chloride (Phosgene) | COCl₂ | 0–1ppm | -20~+50℃ | 24 months | <30sec / 90% scale | |
| *Photoionization (PID) Type | Volatile organic compounds | VOCs | 0–2000ppm | -40~+60℃ | 12 months | <5sec / 90% scale |
| Semiconductor Type | Organic combustible vapors | / | 0~2000ppm | -40~+60℃ | 36 months | / |
| Freon and halogenated compounds | / | 0~2000ppm | -40~+60℃ | 36 months | / |
* The specific range of the PID sensor for detecting different gases needs to be determined according to different situations.
Sensor Features
| Semiconductor Type | High Sensitivity: Detects low-concentration gases with noticeable changes in electrical signals. |
| Fast Response: Rapid alteration of semiconductor electrical conductivity upon gas adsorption enables quick detection. | |
| Broad-Spectrum: Detects most volatile organic compound (VOC) vapors. | |
| Long Lifespan & Cost-Effectiveness: Simple structure, low manufacturing cost, and stable long-term performance, making it suitable for cost-sensitive scenarios. | |
| Infrared (IR) Type | Mature Dual-Compensation Technology: Utilizes non-dispersive infrared (NDIR) with dual detectors (measurement/reference channels) to compensate for environmental interference, enhancing detection accuracy. |
| High Sensitivity & Stability: Detects gases based on their characteristic absorption of specific infrared wavelengths, unaffected by oxygen concentration. | |
| No Poisoning Risk: No chemical reactions occur, preventing sensor degradation due to gas exposure. | |
| Low Power Consumption: Suitable for long-term continuous monitoring. | |
| Works in Oxygen-Free Environments: Operates without requiring oxygen participation. | |
| Fast Response, Low Maintenance, Long Lifespan: Simple mechanical structure ensures minimal performance decay over time. | |
| Electrochemical Type | High Precision (ppm-Level): Detects extremely low concentrations of toxic gases (typically at ppm-level detection limits). |
| Linear Output: Concentration and signal exhibit a linear relationship, facilitating quantitative analysis. | |
| High Selectivity: Designed with gas-specific electrode reactions, resisting cross-interference (e.g., CO-dedicated electrodes are minimally affected by hydrogen). | |
| Stable Performance: Minimal long-term drift. | |
| Photoionization (PID) Type | Extremely High Precision (ppb~ppm-Level): Detects extremely low concentrations of VOCs. |
| Linear Output: Concentration and signal show a linear correlation, enabling precise measurements. | |
| Fast Response: Instantaneous detection of signal changes when UV light excites gas molecules to produce ions. | |
| Broad-Spectrum: Suitable for most volatile organic compounds (VOCs) (e.g., benzene series, halogenated hydrocarbons, alcohols, ketones, etc.). |
Frequently Asked Questions (FAQ)
Q
What types of gases can the AT0602 explosion-proof detector monitor?
The AT0602 is designed to monitor oxygen concentration, toxic gases (such as CO, H₂S, NH₃, NO₂, HCN, and many others), and volatile organic compounds (VOCs). It supports multiple sensor types including Electrochemical, Infrared (IR), Photoionization (PID), and Semiconductor sensors to cover a broad range of hazardous gas detection needs.
Q
Does the AT0602 require a separate control unit to operate?
No. The AT0602 features an independent AC220V power supply design, enabling standalone stable operation without requiring an additional control unit. This makes it ideal for decentralized monitoring across various working scenarios.
Q
How is sensor maintenance and replacement handled on the AT0602?
The AT0602 uses a digital sensor assembly that supports plug-and-play replacement. After replacing a sensor, no on-site calibration is required, which greatly reduces downtime and improves overall maintenance efficiency.
Q
What is the IP protection rating of the AT0602 and what environments is it suitable for?
The AT0602 carries an IP66 protection rating, making it fully resistant to dust ingress and powerful water jets. It is housed in an aluminum alloy enclosure and is suitable for harsh industrial environments such as chemical plants, laboratories, waste treatment facilities, and outdoor installations.
Q
What output and communication options does the AT0602 support?
The AT0602 supports multiple output options including 4–20mA analog signal, NB-IoT, 4G, and 2.4G wireless communication. It also provides two-channel adjustable relay output (AC220V/1A) and one-channel DC24V pulse output (DC24V/2A) for direct industrial valve interlock control, as well as IoT cloud platform integration for remote centralized monitoring.
Q
What is the explosion-proof certification of the AT0602?
The AT0602 holds an explosion-proof certification of Ex db IIC T6 Gb, qualifying it for use in Group IIC (hydrogen-level) hazardous atmospheres. It is rated for Temperature Class T6 and Equipment Protection Level Gb, suitable for Zone 1 and Zone 2 explosive gas environments. Please refer to the website for full certification details.