multi gas detector Handheld for O2 H2S CO CH4
Detection gas:H2S CH4 CO O2 NO
Range:H2S：0-100ppm/CH4:0-100%LEL/CO:0-1000ppm/O2；0-30%VOL/custom
Detection Principle:Catalytic combustion / Electrochemical / Infrared
Resolution:H2S：0.1ppm/CH4:0.1%LEL/CO:1ppm/O2；0.01%VOL/custom
Detection Accuracy:±2%F.S
Model:HNAG920
Detection gas:H2S CH4 CO O2 NO
Range:H2S：0-100ppm/CH4:0-100%LEL/CO:0-1000ppm/O2；0-30%VOL/custom
Detection Principle:Catalytic combustion / Electrochemical / Infrared
Resolution:H2S：0.1ppm/CH4:0.1%LEL/CO:1ppm/O2；0.01%VOL/custom
Detection Accuracy:±2%F.S
Model:HNAG920
Product Description
Product parameters
Basic Parameters
Measurement gases: H₂S / CO / O₂ / CH₄ / Customizable
Detection principle: Infrared / PID / Customizable
Range: 0–200 PPM (Customizable)
Resolution: 0.1 PPM (Customizable)
Sampling accuracy: ±1% F.S.
Response time: T₉₀ < 10 s
Sampling method: Pump suction + Diffusion
Working Environment & Protection
Operating temperature: -20℃ to 50℃
Operating humidity: 0–95% RH (non-condensing)
Operating air pressure: 86 kPa to 106 kPa
Protection rating: IP65
Hardware & Power
Screen: 2.0‑inch LCD (320×240)
Battery capacity: 2400 mAh
Charging interface: Type‑C
Operating voltage: DC 5V ±1% / DC 24V ±1%
Output method: USB
Casing material: PC + TPU
Dimensions: 42.5 × 78.2 × 41.6 mm
Weight: Approx. 380 g
Data & Communication
Data storage: 120,000 records
Alarm records: 30,000 records
Communication methods: 4G / WiFi / Bluetooth / LoRa wireless (Customizable)
Calibration methods: Primary, secondary, tertiary calibration
Alarm & Accessories
Alarm settings: Standard two‑level alarm; high/low alarm modes configurable
Optional accessories: High‑temperature sampling handle (Customizable according to detection temperature)
Sensor lifespan: 1 to 3 years
Warranty period: 1 year
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Product parameters
Basic Parameters
Measurement gases: H₂S / CO / O₂ / CH₄ / Customizable
Detection principle: Infrared / PID / Customizable
Range: 0–200 PPM (Customizable)
Resolution: 0.1 PPM (Customizable)
Sampling accuracy: ±1% F.S.
Response time: T₉₀ < 10 s
Sampling method: Pump suction + Diffusion
Working Environment & Protection
Operating temperature: -20℃ to 50℃
Operating humidity: 0–95% RH (non-condensing)
Operating air pressure: 86 kPa to 106 kPa
Protection rating: IP65
Hardware & Power
Screen: 2.0‑inch LCD (320×240)
Battery capacity: 2400 mAh
Charging interface: Type‑C
Operating voltage: DC 5V ±1% / DC 24V ±1%
Output method: USB
Casing material: PC + TPU
Dimensions: 42.5 × 78.2 × 41.6 mm
Weight: Approx. 380 g
Data & Communication
Data storage: 120,000 records
Alarm records: 30,000 records
Communication methods: 4G / WiFi / Bluetooth / LoRa wireless (Customizable)
Calibration methods: Primary, secondary, tertiary calibration
Alarm & Accessories
Alarm settings: Standard two‑level alarm; high/low alarm modes configurable
Optional accessories: High‑temperature sampling handle (Customizable according to detection temperature)
Sensor lifespan: 1 to 3 years
Warranty period: 1 year
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