Category: Products Portable gas detector Portable gas detector
Key words: Products
Model: HNAG920-H2S
Measurement object: H2S,Hydrogen Sulfide
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.


HNAG920-HF portable hydrogen fluoride HF single gas detector with 0-10/50/100ppm customizable ranges. Equipped with pump+diffusion dual sampling, auto 180° rotating screen, 120,000 data logs, Type-C data export, multi wireless transmission, CE/RoHS/SIL2/Ex explosion-proof certification for chemical plant HF leakage safety monitoring.

This portable F2 fluorine single gas detector (Model HNAG920-F2) supports 0-5 (10) ppm, 0-1000ppm, 0-10000ppm ranges. It features pump/diffusion dual sampling, auto 180° screen rotation, 120,000 historical data logs, Type-C 2-in-1 charging & data export, multi-alarm modes, and 4G/WiFi/Bluetooth/LORA connectivity for industrial hazardous scenarios.

This HNAG920-CH3Br portable methyl bromide single gas detector supports 6 optional measuring ranges from 0-50ppm to 0-10000ppm. It adopts high-precision detection principle, features dual pump/diffusion sampling, 180° auto-rotating color screen, multi-connectivity (4G/WiFi/Bluetooth/LORA), 120,000 historical data logs, visual audio-light alarm, IP rugged housing, suitable for fumigation, chemical plant, warehouse industrial gas monitoring scenarios.

Compact HNAG920-CH3Br portable methyl bromide gas monitor offering 0-10/100/240ppm selectable ranges, dual pump/diffusion sampling, rotatable 2-inch LCD, multi-mode alarms, massive data logs, versatile wireless connectivity and Type-C export for reliable CH3Br workplace safety inspections.

This portable SiH4 silane single gas detector (Model HNAG920-SIH4) supports 0-1/10/50ppm ranges, with pump-diffusion dual sampling, 180° auto-rotating screen, 120,000 historical records storage, Type-C 2-in-1 charging&data export, 4G/WiFi/Bluetooth/LORA, explosion-proof design for industrial silane leakage monitoring.

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-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.

This HNAG920-C2H4 portable ethylene (C2H4) single gas detector adopts pump suction & diffusion dual sampling design, with 180° auto-rotating color screen. It supports 4G/WiFi/Bluetooth/LORA multi wireless modes, mobile viewing & Bluetooth printing, stores 120,000 historical records. It has multi-level audible-visual alarm, IP rugged housing, multiple optional measuring ranges for industrial ethylene leakage detection.

Portable HNAG920-SF6 single gas detector for sulfur hexafluoride leakage detection, measuring range optional 0-1000/2000/3000/5000ppm. Adopts high precision sensor, with auto screen rotation, multi-alarm system, 120,000 historical data logs, support WiFi/Bluetooth/LoRa/4G wireless transmission, CE, Ex, SIL3 certified for power substation electrical equipment SF6 leak inspection.

This HNAG920-CS2 portable carbon disulfide gas detector supports multiple CS2 measuring ranges from 0-20ppm to 0-10000ppm. It adopts advanced sensing principle, features auto screen rotation, dual pump/diffusion sampling, 120,000 historical data logs, multi wireless transmission, Type-C 2-in-1 charging & data transfer, visual & audible multi-alarm, rugged PC+TPU housing for industrial hazardous scenarios.

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.

HNAG920-C2H2 portable C2H2 acetylene single gas detector with multiple customizable ppm & LEL measuring ranges. Supports pump/diffusion dual sampling, auto rotating screen, 120,000 data logs, Type-C data export, 4G/WiFi/Bluetooth/LORA wireless transmission, CE RoHS SIL2 Ex certification for welding, chemical acetylene leak safety monitoring.

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.

HNAG920-HF portable hydrogen fluoride HF single gas detector with 0-10/50/100ppm customizable ranges. Equipped with pump+diffusion dual sampling, auto 180° rotating screen, 120,000 data logs, Type-C data export, multi wireless transmission, CE/RoHS/SIL2/Ex explosion-proof certification for chemical plant HF leakage safety monitoring.

This portable F2 fluorine single gas detector (Model HNAG920-F2) supports 0-5 (10) ppm, 0-1000ppm, 0-10000ppm ranges. It features pump/diffusion dual sampling, auto 180° screen rotation, 120,000 historical data logs, Type-C 2-in-1 charging & data export, multi-alarm modes, and 4G/WiFi/Bluetooth/LORA connectivity for industrial hazardous scenarios.

This HNAG920-CH3Br portable methyl bromide single gas detector supports 6 optional measuring ranges from 0-50ppm to 0-10000ppm. It adopts high-precision detection principle, features dual pump/diffusion sampling, 180° auto-rotating color screen, multi-connectivity (4G/WiFi/Bluetooth/LORA), 120,000 historical data logs, visual audio-light alarm, IP rugged housing, suitable for fumigation, chemical plant, warehouse industrial gas monitoring scenarios.

Compact HNAG920-CH3Br portable methyl bromide gas monitor offering 0-10/100/240ppm selectable ranges, dual pump/diffusion sampling, rotatable 2-inch LCD, multi-mode alarms, massive data logs, versatile wireless connectivity and Type-C export for reliable CH3Br workplace safety inspections.

This portable SiH4 silane single gas detector (Model HNAG920-SIH4) supports 0-1/10/50ppm ranges, with pump-diffusion dual sampling, 180° auto-rotating screen, 120,000 historical records storage, Type-C 2-in-1 charging&data export, 4G/WiFi/Bluetooth/LORA, explosion-proof design for industrial silane leakage monitoring.

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-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.