High Accuracy Pump Suction Portable Hydrogen Sulfide Gas Detector Handheld H2S Concentration Analyzer for Biogas
Category: Products Portable gas detector Portable gas detector
Key words: Products
Model: HNAG920-H2S
Measurement object: H2S,Hydrogen Sulfide
Product Description
Portable pump suction gas concentration detector
Product Description of Portable Pump Suction Gas Concentration Detector
Portable Pumping Gas Detector HNAG920-H2S is suitable for real-time and accurate detection of gas concentration and leakage in various environments, with advantages such as fast response, high measurement accuracy, excellent stability, and repeatability. It supports both pumping and diffusion modes in one unit, can be expanded to detect up to 5 gases simultaneously, and supports 4G/WiFi/Bluetooth/LoRa wireless transmission modes. The device is equipped with a built-in 2400mAh lithium battery.
In logistics, customs clearance and related industrial/trade scenarios, the detection demands for methanol (CH₃OH, volatile, toxic and flammable) mainly focus on the links involving methanol production, transportation, storage, use or waste disposal. Portable gas detectors, due to their flexible and convenient features
Product parameters of Portable pump suction gas concentration detector
Measure gas：H2S
Sampling accuracy：±3%F.S
Working temperature：-20 to 50℃
Screen size：2.0-inch color LCD, resolution 320*240
Battery capacity：2400mA
Working voltage：DC5V±1%/DC24±1%
Sampling method：Pump suction type diffusion integrated type
External dimensions：42.5×78.2×41.6mm (excluding gas filter and back clip)
Protection grade：IP65
Material：PC+TPU
Data storage：120,000 entries
Detection principle：PID
Response time：T90<10S
Working humidity：0-95%RH (No condensation)
Charging interface：Type-C
Working air pressure：86kpa-106kpa
Output method：USB
Warranty period：One year
Sensor service life：1 to 3 years
Explosion-proof grade：Ex ib ll CT4 Gb
Overall weight of the machine：About 380g
Alarm record：30,000 entries
Alarm Settings：The standard configuration is two-level alarm, and the alarm mode can be set: high and low alarm
Communication method：Transmission modes such as 4G/wifi/ Bluetooth /Lora wireless
Calibration method：Primary calibration, secondary calibration, and tertiary calibration
Product features of Portable pump suction H2S gases concentration detector
● Equipped with a 32-bit microprocessor and high-speed, high-precision processing circuitry for fast and accurate measurements
● Features an external USB port for data export and deletion via USB cable connection to a computer
● Supports up to 5 different sensors for flexible detection
● Built-in buttons for easy parameter viewing and configuration
● Allows unit switching (e.g., ppm ↔ mg/m³) through coefficient adjustment
● Customizable historical data storage intervals
● Supports Chinese/English language display switching
● Fall alarm / one-touch emergency alarm function
● 180° auto-rotating screen
● Temperature & humidity compensation
● PC+TPU (rubber overmolding process) for impact resistance
Application scenarios
Petroleum and petrochemical, chemical plants, smelters, steel mills, coal mines, thermal power plants, medical research, pharmaceutical production workshops, tobacco companies, environmental monitoring, school research, building construction, fire alarm, sewage treatment, industrial gas process control, boiler rooms, garbage treatment plants, tunnel construction, oil pipelines, gas stations, underground gas pipeline maintenance, indoor air quality testing, hazardous materials Site safety protection, aerospace, military equipment monitoring, etc.
Precautions for Use
● When charging the detector, please do so in a safe location and use a compliant charger with 5V/2A or higher.
● For first-time use, fully charge the battery before operation.
● During daily use, avoid exposing the detector to gas concentrations beyond its measurement range to prevent irreversible damage.
● Do not use the detector in harsh environments with extreme temperatures, high pressure, or excessive humidity. If ambient humidity is high, perform dehumidification filtration before detection.
● If sensor failure occurs, contact the manufacturer’s after-sales service.
● Under normal usage, the sensor's effective lifespan is 24–36 months. During this period, perform calibration checks every 6 months or 1 year (depending on the working environment) to ensure accurate gas monitoring. Sensors exceeding their lifespan or showing faults must be replaced.
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