Model: HNAG920-H2
Sampling Method: Pumping Suction and Diffusion
Detection Principle: Electrochemistry
Gas: H2
Range: 0-1000PPM,Custom.
Resolution: 1PPM.
Accuracy: ≤±2% F.S.
✔️It adopts a 32-bit microprocessor and is equipped with high-speed and high-precision processing circuits to achieve rapid and accurate measurement.
✔️Reserve a USB interface externally. Use a USB cable to communicate with a computer to achieve data export and deletion.
✔️It can be paired with up to 6 types of sensors, providing more flexible detection.
✔️It comes with built-in buttons, allowing for easy parameter viewing, setting and other operations.
✔️By modifying the coefficients, switching between different units can be achieved, such as ppm and mg/m3.
✔️The storage interval for historical data can be freely set.
✔️It has the function of switching between Chinese and English for display.
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A: A portable hydrogen (H₂) gas detector is an essential personal safety monitor designed for real-time, on-site detection of hydrogen gas leaks and concentration monitoring in mobile, field, and confined-space scenarios. Its core purpose is to provide instant, wearable gas monitoring and multi-alert warnings to prevent explosions, fires, and inhalation hazards, safeguarding personnel during inspections, maintenance, and field operations.
Widely used across hydrogen refueling stations, battery rooms, chemical plants, hydrogen storage areas, fuel cell facilities, laboratories, pipeline maintenance, and confined space entry, it continuously tracks H₂ levels in ambient air. When concentrations exceed preset safety thresholds (LEL/ppm), the device immediately triggers audible, visual, and vibration alarms to prompt quick responses such as evacuation, ventilation, or leak isolation.
By enabling early leak detection and rapid on-site alerts, portable H₂ detectors effectively mitigate explosion and toxicity risks, enhance personnel safety during mobile tasks, and support compliance with industrial safety standards for hydrogen-related operations.

The HNAG920-Cl2CO portable phosgene gas detector adopts an electrochemical sensor to detect Cl₂CO (carbonyl chloride) with 0-1ppm & 0-10ppm dual ranges. It features diffusion & pump suction sampling, auto-rotating LCD, sound-light alarm, 4G/WiFi/Bluetooth and explosion-proof design for industrial safety monitoring.

HNAG920-VOC is a portable single VOC gas detector with PID photoionization sensor. 0-10ppm to 20000ppm ranges optional, ATEX explosion-proof, audible & visual alarm, multiple data transmission modes for industrial VOC monitoring and leak detection.

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The HNAG920-C2H4O is a professional portable ethylene oxide gas detector for accurate C2H4O concentration monitoring. It offers multiple ranges from 0-10ppm to 0-100% VOL, with auto screen rotation, triple alarms and 4G/WiFi/Bluetooth/LORA. Explosion-proof with CE RoHS SIL Ex certs, ideal for chemical and confined space safety inspection.

HNAG920-SO2 is a professional portable SO2 gas detector with high-precision electrochemical sensor and 6 optional ranges including 0-1ppm for atmospheric monitoring. It features sound & light alarm, auto screen rotation, IP66 protection, supports 4G/WiFi/Bluetooth/LORA, with CE RoHS SIL Ex certifications for industrial safety.

The HNAG920-NO2 is a portable electrochemical NO2 gas detector. It offers 4 selectable ranges: 0-1ppm for atmospheric monitoring, 0-20(150)ppm, 0-2000ppm, 0-2000(3000)ppm. Features auto screen rotation, multi-alarm & wireless data transmission for industrial and environmental safety use.

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Skyeaglee HANG-900-CH4-C portable methane gas detector with catalytic detection 0-100%LEL, IP65, Ex ib II CT4 Gb. Expandable to 6 gases, 5400mAh, USB data export. Professional methane gas monitor for oil, coal, petrochemical.

Explore the Portable pump - assisted diffusion - type hydrogen gas detector. This detector combines pump - assisted and diffusion - type features, offering high - precision hydrogen detection.

The HNAG1000-PM is an industrial fixed dust detector featuring a high-precision laser scattering sensor. With IP66 protection, explosion-proof casing, and RS485/4-20mA outputs, it ensures real-time, accurate PM monitoring for harsh environments.

Engineered for hazardous industrial sites, the HNAG1000-PM-M provides continuous online particulate matter monitoring. With an IP66 rugged enclosure, ExdIICT6 certification, and seamless PLC integration via RS485/4-20mA, it guarantees absolute safety.

Category: Products Flue gas pretreatment system Simple Pretreatment Online Monitoring System Key words: Products Model: SK/MIC-7500 Measurement object: CO2/Ex/CH4/CO/H2S/O2/N2/NH3/CL2/H2/He/Ar/CH2O/O3/NO/NO2/SO2/C2H4O/PH3/COCL2/HBR/HCL/HCN/CLO2/SIH4/...

Discover the Combustible Online Gas Detector LEL Alarm Monitor System. This advanced system is designed for real - time detection of combustible gases. It offers high - precision monitoring, rapid alarm response to ensure safety in environments with potential gas hazards. Ideal for industrial settings, it helps prevent gas - related accidents and provides reliable data for better management.

Discover our Intrinsically Safe Carbon Monoxide Detector with Explosion Proof. Ideal for hazardous environments, it offers reliable CO detection. Built - in safety features prevent explosions, ensuring maximum protection. High - quality sensors provide accurate readings. Suitable for industrial sites, mines, and more. Keep your workplace safe with this top - notch detector.

Explore our fixed carbon monoxide detector with RS485 and 4 - 20mA interfaces. Ideal for continuous CO monitoring in industrial and commercial settings. It offers high - precision detection, reliable performance, and seamless integration with existing systems. Ensure safety and compliance with this advanced detector.

This HNAG920 portable ClO2 single gas detector is tailor-made for atmospheric monitoring, with optional ranges including exclusive 0-1ppm atmospheric dedicated range. It supports dual pump/diffusion sampling, 180° auto screen rotation, 4G/WiFi/Bluetooth/LORA wireless access, 120,000 historical data storage, and global explosion-proof certifications for environmental & industrial chlorine dioxide detection.

The HNAG920-HCN is a professional portable hydrogen cyanide detector with dual pump & diffusion sampling modes. It offers 3 optional HCN ranges (0-10/50ppm, 0-50/100ppm, 0-1000/2000ppm), ATEX & SIL2 certified, ideal for industrial safety, confined space inspection and toxic gas leak detection.

This HNAG920-HCL is a professional portable single HCL (Hydrogen Chloride) gas detector tailored for atmospheric monitoring, with multiple optional ranges: 0-1ppm ultra-low atmospheric grade, 0-20(50)/200(400)/1000(2000)/3000(6000)ppm. It supports 4G/WiFi/Bluetooth/LoRA connectivity, auto screen rotation, 120,000 historical logs, Type-C 2-in-1 charge&data export, ATEX explosion-proof, CE&RoHS certified for industrial & ambient HCL detection.

This HNAG920-HBr is a portable single HBr (hydrogen bromide) gas detector with multiple optional detection ranges, adopting high-precision electrochemical sensor. It supports 4G/WiFi/Bluetooth/LORA multi wireless transmission, auto screen rotation, 120,000 historical data logs, audible-visual alarm, ATEX explosion-proof certification, widely used in chemical, pharmaceutical and petrochemical industries for HBr leakage monitoring.

The HNAG920-Cl2CO portable phosgene gas detector adopts an electrochemical sensor to detect Cl₂CO (carbonyl chloride) with 0-1ppm & 0-10ppm dual ranges. It features diffusion & pump suction sampling, auto-rotating LCD, sound-light alarm, 4G/WiFi/Bluetooth and explosion-proof design for industrial safety monitoring.

HNAG920-VOC is a portable single VOC gas detector with PID photoionization sensor. 0-10ppm to 20000ppm ranges optional, ATEX explosion-proof, audible & visual alarm, multiple data transmission modes for industrial VOC monitoring and leak detection.

This HNAG920-PH3 is a portable single PH3 phosphine gas detector with 4 optional measuring ranges (0-5/20ppm,0-20/100ppm,0-2000/4000ppm,0-4000/6000ppm). It adopts high-precision electrochemical sensor, supports 4G/WiFi/Bluetooth/LORA data transmission, auto screen rotation, audible-visual alarm, USB recharge, widely used in grain storage, chemical plant toxic gas monitoring.

The HNAG920-C2H4O is a professional portable ethylene oxide gas detector for accurate C2H4O concentration monitoring. It offers multiple ranges from 0-10ppm to 0-100% VOL, with auto screen rotation, triple alarms and 4G/WiFi/Bluetooth/LORA. Explosion-proof with CE RoHS SIL Ex certs, ideal for chemical and confined space safety inspection.

HNAG920-SO2 is a professional portable SO2 gas detector with high-precision electrochemical sensor and 6 optional ranges including 0-1ppm for atmospheric monitoring. It features sound & light alarm, auto screen rotation, IP66 protection, supports 4G/WiFi/Bluetooth/LORA, with CE RoHS SIL Ex certifications for industrial safety.

The HNAG920-NO2 is a portable electrochemical NO2 gas detector. It offers 4 selectable ranges: 0-1ppm for atmospheric monitoring, 0-20(150)ppm, 0-2000ppm, 0-2000(3000)ppm. Features auto screen rotation, multi-alarm & wireless data transmission for industrial and environmental safety use.

The HNAG920-NO is a portable high-precision nitric oxide gas detector with electrochemical sensors. It offers 0-1ppm (atmospheric dedicated) to 5000ppm ranges, audible/visual alarms, data logging, auto screen rotation, USB charging and wireless link for industrial use and environmental monitoring.

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Skyeaglee HANG-900-CH4-C portable methane gas detector with catalytic detection 0-100%LEL, IP65, Ex ib II CT4 Gb. Expandable to 6 gases, 5400mAh, USB data export. Professional methane gas monitor for oil, coal, petrochemical.

Explore the Portable pump - assisted diffusion - type hydrogen gas detector. This detector combines pump - assisted and diffusion - type features, offering high - precision hydrogen detection.

The HNAG1000-PM is an industrial fixed dust detector featuring a high-precision laser scattering sensor. With IP66 protection, explosion-proof casing, and RS485/4-20mA outputs, it ensures real-time, accurate PM monitoring for harsh environments.

Engineered for hazardous industrial sites, the HNAG1000-PM-M provides continuous online particulate matter monitoring. With an IP66 rugged enclosure, ExdIICT6 certification, and seamless PLC integration via RS485/4-20mA, it guarantees absolute safety.

Category: Products Flue gas pretreatment system Simple Pretreatment Online Monitoring System Key words: Products Model: SK/MIC-7500 Measurement object: CO2/Ex/CH4/CO/H2S/O2/N2/NH3/CL2/H2/He/Ar/CH2O/O3/NO/NO2/SO2/C2H4O/PH3/COCL2/HBR/HCL/HCN/CLO2/SIH4/...

Discover the Combustible Online Gas Detector LEL Alarm Monitor System. This advanced system is designed for real - time detection of combustible gases. It offers high - precision monitoring, rapid alarm response to ensure safety in environments with potential gas hazards. Ideal for industrial settings, it helps prevent gas - related accidents and provides reliable data for better management.