High-Quality AT0602 Explosion Proof Oxgen / Toxic / VOC Gas Detector Supplier, Manufacturers

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.

It adopts an independent AC220V power supply design, enabling standalone stable operation without an additional control unit, suitable for decentralized monitoring in various working scenarios. Infrared remote control is supported for non-intrusive debugging, allowing safe and convenient parameter configuration without disassembling the equipment. The digital sensor assembly supports plug-and-play replacement, requiring no on-site calibration after replacement, which greatly improves maintenance efficiency.

With an IP66 protection grade, it is resistant to dust and water intrusion, ensuring stable performance in harsh industrial environments. It is equipped with a high-brightness digital tube display for clear real-time data reading. The device supports offline solenoid valve detection, wireless valve connection, automatic power-failure valve shut-off and direct interlock control for industrial valves. It also enables remote centralized monitoring and management through an IoT cloud platform, providing a reliable safety solution for chemical plants, laboratories, waste treatment facilities and other sites with toxic and VOC gas risks.

Detector Specification

Specification Item	Details
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: 3xM26x1.5P \| 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) x 178.4(H) x 90(D) mm
Explosion Proof	Ex db IIC T6 Gb
Certification	Available upon request

Sensor Specification

Sensor Type	Measuring Gas	Formula	Range	Temp. Range	Typical Life	Response Time
Infrared Type	Combustible gases	/	3-100%LEL	-40~+70℃	60 month	<30sec / 90% scale
	Carbon dioxide	CO₂	0~2%vol	-40~+70℃	60 month	<45sec / 90% scale
	Nitrous oxide	N₂O	0-1000ppm	-40~+70℃	60 month	<45sec / 90% scale
Electrochemical Type	Carbon Monoxide	CO	0-50 ppm	-20~+50℃	24 month	<10sec / 90% scale
	Hydrogen Sulfide	H₂S	0-20ppm	-20~+50℃	24 month	<12sec / 90% scale
	Sulfur dioxide	SO₂	0-20ppm	-20~+50℃	24 month	<10sec / 90% scale
	Ammonia	NH₃	0-100ppm	-20~+50℃	24 month	<50sec / 90% scale
	Oxygen	O₂	0~30%vol	-20~+50℃	24 month	<15sec / 90% scale
	Formaldehyde	CH₂O	0-2ppm	-20~+50℃	24 month	<15sec / 90% scale
	Chlorine	Cl₂	0-5ppm	-20~+50℃	24 month	<25sec / 90% scale
	Bromine	Br₂	0-5ppm	-20~+50℃	24 month	<60sec / 90% scale
	Hydrogen chloride	HCL	0-15ppm	-20~+50℃	24 month	<30sec / 90% scale
	Hydrogen Fluoride	HF	0-7ppm	-20~+50℃	18 month	<30sec / 90% scale
	Hydrogen Bromide	HBr	0-10ppm	-20~+50℃	24 month	<70sec / 90% scale
	Hydrogen Cyanide	HCN	0-3ppm	-20~+50℃	24 month	<10sec / 90% scale
	Nitrogen Dioxide	NO₂	0-20ppm	-20~+50℃	24 month	<20sec / 90% scale
	Nitric oxide	NO	0-20ppm	-20~+50℃	24 month	<30sec / 90% scale
	Silane	SiH₄	0-15ppm	-20~+50℃	24 month	<60sec / 90% scale
	Ethylene oxide	C₂H₄O	0-20ppm	-20~+50℃	24 month	<25sec / 90% scale
	Vinyl chloride	C₂H₃CL	0-10ppm	-20~+50℃	24 month	<90sec / 90% scale
	Carbon disulfide	CS₂	0-5ppm	-20~+50℃	24 month	/
	Acrylonitrile	C₃H₃N	0-2ppm	-20~+50℃	24 month	<30sec / 90% scale
	Carbonyl chloride	COCl₂	0-1ppm	-20~+50℃	24 month	<30sec / 90% scale
PID Type	Volatile organic compounds	VOCs	0-2000ppm	-40~+60℃	12 month	<5sec / 90% scale
Semiconductor Type	Organic combustible vapors	/	0~2000ppm	-40~+60℃	36 month	/
Semiconductor Type	Freon and halogens	/	0~2000ppm	-40~+60℃	36 month	/

*The specific range of the PID sensor for detecting different gases needs to be determined according to different situations.

Sensor Features & Technology

Semiconductor Type

High Sensitivity: Detects low-concentration gases with noticeable electrical signal changes.
Fast Response: Rapid electrical conductivity shifts upon gas adsorption.
Broad-Spectrum: Effectively monitors most volatile organic compound (VOC) vapors.
Cost-Effective: Simple structural design with stable, long-lasting performance.

Infrared (IR) Type

Dual-Compensation: Uses NDIR with dual measurement/reference channels to offset interference.
High Stability: Unaffected by oxygen levels, utilizing specific wavelength absorption.
No Poisoning Risk: No chemical reaction yields zero risk of degradation from gas exposure.
Low Maintenance: Mechanical simplicity ensures low consumption and a long lifespan.

Electrochemical Type

High Precision: Achieves ppm-level accuracy for highly toxic gas detection.
Linear Output: Constant linear output profile facilitates simple qualitative calibration.
High Selectivity: Specific reaction electrodes prevent cross-gas interference.
Stable Performance: Minimal sensor drift over long-term operations.

Photoionization (PID) Type

ppb~ppm Detection: High sensitivity allows detection of minimal VOC concentrations.
Instant Response: Gas ionization via UV excitation allows near-instantaneous output.
Broad VOC Range: Ideal for benzene series, halogenated hydrocarbons, alcohols, and ketones.
Precise Monitoring: Direct linear correlation supports highly accurate measuring.

Frequently Asked Questions (FAQ)

What types of gases can the AT0602 detect?

The AT0602 is a highly versatile detector designed specifically to monitor Oxygen (O₂), toxic gases (such as CO, H₂S, SO₂, NH₃, Cl₂), and Volatile Organic Compounds (VOCs) in hazardous industrial settings.

Does the AT0602 require an external control unit to operate?

No. The AT0602 features an independent AC220V power supply design, allowing it to function as a standalone unit without the need for an additional controller, making it ideal for decentralized setups.

How does the plug-and-play sensor replacement work?

The digital sensor assembly utilizes a hot-swappable, plug-and-play design. When a sensor reaches the end of its life, it can be replaced directly without requiring on-site recalibration, significantly cutting down maintenance time and complexity.

Is it safe to calibrate parameters in hazardous areas?

Yes. The device supports non-intrusive debugging using an infrared remote control. This allows you to configure parameters and calibrate the system safely without disassembling or opening the explosion-proof enclosure.

What are the industrial control output options available?

The AT0602 is equipped with two-channel adjustable relays (AC220V/1A) and a one-channel DC24V pulse output. It supports offline solenoid valve detection, wireless valve connectivity, and direct automatic valve shut-off in the event of a power failure.

Can the detector connect to cloud-based monitoring systems?

Yes. It supports signal output options like NB-IoT, 4G, and 2.4G, which enable remote centralized monitoring and management through compatible IoT cloud platforms.

Product Detail

High-Quality AT0602 Explosion Proof Oxgen / Toxic / VOC Gas Detector Supplier, Manufacturers