Model: HNAG920-NO2
Detected Gas: Nitrogen Dioxide (NO2)
Detection Principle: High-Precision Electrochemical Sensor
Detection Range:0-1ppm (special for atmospheric environmental monitoring),0-20ppm (150ppm),0-2000ppm,0-2000ppm (3000ppm)







The HNAG920-O3 is a dedicated ambient air monitoring ozone detector with selectable ranges from 0-1ppm to 0-10000ppm. It features high-precision sensing, portable design, wireless transmission and multi-alarm modes, ideal for industrial safety, environmental monitoring and ozone residue detection.

The HNAG920-CH2O is a portable industrial formaldehyde (CH2O) gas detector with optional ranges 0-10ppm to 0-10000ppm. Equipped with 2.0" color LCD, auto screen rotation, triple alarms, diffusion & pump sampling, 4G/WiFi/Bluetooth/LORA, rugged PC+TPU housing, ideal for industrial, indoor air quality and site CH2O monitoring.

This HNAG920-Ar is a portable single Ar(Argon) gas detector with 4 optional ranges: 0-10%vol,0-50%vol,0-99.999%vol,0-100%vol. It has a 2.0" 320*240 color LCD, auto 180° screen rotation, multi-mode audible&visual alarm, rugged PC+TPU housing, 4G/WiFi/Bluetooth/LoRa transmission, USB charging, mobile data check & Bluetooth printing for industrial argon leakage monitoring.

The HNAG920-He is an industrial rugged portable helium detector with customizable 0-10%/30%/100%vol ranges. It supports diffusion & pump suction sampling, 180° auto screen rotation, multi-sound-light alarm, 4G/WiFi/Bluetooth/LORA for He leak detection and concentration tracking in labs, refrigeration and aerospace scenarios.

The HNAG920-H2 is a high-precision portable hydrogen gas detector with customizable wide ranges from 0-1000ppm to 0-100%Vol. It supports diffusion & pump suction sampling, with sound-light alarm, auto screen rotation, 4G/WiFi/Bluetooth and data logging for industrial safety and H2 leak detection.

The HNAG920-CL2 is a professional portable single chlorine (CL2) gas detector with selectable ranges from 0-10ppm to 0-25000ppm. Adopting electrochemical sensing, pump suction sampling, 2.0" color LCD, auto screen rotation, audible & visual alarms, and 4G/WiFi/Bluetooth, it is ideal for chemical, wastewater, confined space and industrial gas safety monitoring.

Category: Products Portable gas detector Portable gas detector Key words: Products Model: HNAG920 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/CH3BR/SO2F2/F2/HF/C2H2/CS2/SF6/C2H...

This HNAG920-NH3 handheld single ammonia gas detector provides 12 optional NH3 measuring ranges from 0-10ppm up to 0-100%Vol. It supports auto 180° screen rotation, 4G/WiFi/Bluetooth/LORA wireless transmission, Type-C rechargeable design, 4-side LED alarm lights, durable PC+TPU housing, and allows mobile data viewing & Bluetooth printing for chemical plants, livestock farms and refrigeration workshop hazardous gas monitoring.

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.

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.

The HNAG920-O3 is a dedicated ambient air monitoring ozone detector with selectable ranges from 0-1ppm to 0-10000ppm. It features high-precision sensing, portable design, wireless transmission and multi-alarm modes, ideal for industrial safety, environmental monitoring and ozone residue detection.

The HNAG920-CH2O is a portable industrial formaldehyde (CH2O) gas detector with optional ranges 0-10ppm to 0-10000ppm. Equipped with 2.0" color LCD, auto screen rotation, triple alarms, diffusion & pump sampling, 4G/WiFi/Bluetooth/LORA, rugged PC+TPU housing, ideal for industrial, indoor air quality and site CH2O monitoring.

This HNAG920-Ar is a portable single Ar(Argon) gas detector with 4 optional ranges: 0-10%vol,0-50%vol,0-99.999%vol,0-100%vol. It has a 2.0" 320*240 color LCD, auto 180° screen rotation, multi-mode audible&visual alarm, rugged PC+TPU housing, 4G/WiFi/Bluetooth/LoRa transmission, USB charging, mobile data check & Bluetooth printing for industrial argon leakage monitoring.

The HNAG920-He is an industrial rugged portable helium detector with customizable 0-10%/30%/100%vol ranges. It supports diffusion & pump suction sampling, 180° auto screen rotation, multi-sound-light alarm, 4G/WiFi/Bluetooth/LORA for He leak detection and concentration tracking in labs, refrigeration and aerospace scenarios.

The HNAG920-H2 is a high-precision portable hydrogen gas detector with customizable wide ranges from 0-1000ppm to 0-100%Vol. It supports diffusion & pump suction sampling, with sound-light alarm, auto screen rotation, 4G/WiFi/Bluetooth and data logging for industrial safety and H2 leak detection.

The HNAG920-CL2 is a professional portable single chlorine (CL2) gas detector with selectable ranges from 0-10ppm to 0-25000ppm. Adopting electrochemical sensing, pump suction sampling, 2.0" color LCD, auto screen rotation, audible & visual alarms, and 4G/WiFi/Bluetooth, it is ideal for chemical, wastewater, confined space and industrial gas safety monitoring.

Category: Products Portable gas detector Portable gas detector Key words: Products Model: HNAG920 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/CH3BR/SO2F2/F2/HF/C2H2/CS2/SF6/C2H...

This HNAG920-NH3 handheld single ammonia gas detector provides 12 optional NH3 measuring ranges from 0-10ppm up to 0-100%Vol. It supports auto 180° screen rotation, 4G/WiFi/Bluetooth/LORA wireless transmission, Type-C rechargeable design, 4-side LED alarm lights, durable PC+TPU housing, and allows mobile data viewing & Bluetooth printing for chemical plants, livestock farms and refrigeration workshop hazardous gas monitoring.

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.