Model: HNAG920
Sampling Method: Pumping Suction and Diffusion
Detection Principle: PID
Gas: Methyl Bromide (CH3Br).
Range: 0 to 50/100/200/500/1000/2000/3000ppm
Resolution: 0.01ppm;0.1ppm;1ppm.
Accuracy: ≤±2% F.S.
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
Handheld Single Gas Detector
✔️ Built-in internal sampling pump and diffusion sampling
✔️ Fall alarm / one-touch emergency alarm function.
✔️180° auto-rotating screen.
✔️Temperature & humidity compensation.
✔️Built-in buttons for easy parameter viewing and configuration.
✔️Features an external USB port for data export and deletion via USB cable connection to a computer.
✔️ Equipped with a 32-bit microprocessor and high-speed, high-precision processing circuitry for fast and accurate measurements.
✔️PC+TPU (rubber overmolding process) for impact resistance.
✔️Handheld and small design, easy to carry, can be put in a pocket.
✔️High-intensity ABS engineering plastics housing, suitable for different kinds of situations.
Gas Detection Q&A - For Your Safety Environments
Q1. What is methyl bromide?
A1:Methyl bromide, chemical formula CH₃Br, is a colorless, odorless, high-density gas that is liquid under standard temperature and pressure. It was widely used as a fumigant (for killing insects, fungi, and rodents) and as a chemical raw material. However, due to its ozone-depleting properties, its use as a fumigant has been phased out globally under the Montreal Protocol. Currently, only limited critical use exemptions (CUEs) and quarantine and pre-shipment (QPS) applications are permitted.
Q2. Where is methyl bromide typically found in the environment?
A2:The production of methyl bromide is primarily divided into anthropogenic use and natural generation:
Anthropogenic Use (Major Source):
• Agricultural and Storage Fumigation: Used for soil sterilization (to eradicate nematodes, fungi, weed seeds) and for fumigating warehouses, ship holds, and containers to control pests and pathogens. This was historically the primary use of methyl bromide.
• Chemical Manufacturing: Used as a methylating agent in the synthesis of pesticides, pharmaceuticals, dyes, and other chemical products.
• Fire Suppression: Was used as a substitute for Halon in fire extinguishing systems, but its use has largely been discontinued due to environmental concerns.
Natural Generation:
• Marine organisms (such as algae, phytoplankton) and certain fungi produce trace amounts of methyl bromide during metabolic processes, but the quantity is far less than anthropogenic emissions.
Q3. Why are reliable gas detectors and monitoring devices necessary?
A3:Due to its high toxicity, lack of color and odor (making it difficult to detect by human senses), and environmental hazards, reliable detection equipment is essential:
Life Safety (Acute Toxicity):
• Methyl bromide is a highly toxic substance that primarily damages the central nervous and respiratory systems. It lacks a distinctive warning odor (unlike chlorine or ammonia), and initial poisoning often has no obvious symptoms (latent phase). Once symptoms appear (such as headache, nausea, convulsions, pulmonary edema), the condition is often severe and can be fatal.
• Reliable detectors (such as Photoionization Detectors (PID) or electrochemical sensors) can monitor the concentration of methyl bromide in the air in real-time, ensuring that levels remain within safe limits for workers and preventing acute poisoning.
Occupational Health (Chronic Exposure):
• Long-term, low-level exposure to methyl bromide can lead to chronic health issues like neurological damage and liver/kidney impairment. Monitoring devices help assess long-term exposure levels in the workplace to ensure compliance with occupational health standards.
Environmental Compliance and Leak Control:
• Methyl bromide is an ozone-depleting substance (ODS), and its emissions are strictly regulated. During fumigation operations or chemical production, high-precision monitoring equipment like the Skyeaglee Methyl bromide gas detector is needed to detect any leaks, confirming that exhaust gases are effectively captured and treated to prevent illegal emissions.
Operational Safety and Efficiency:
• After fumigation, detectors are necessary to confirm that residual gas concentrations in the treated space have dropped to safe levels (e.g., below 5 ppm) before allowing re-entry or lifting isolation, ensuring the safety of subsequent operations.

This professional portable H2O2 hydrogen peroxide single gas detector supports pump suction & dual diffusion sampling, with 180° auto-rotating color screen, 4G/WiFi/Bluetooth/LORA multi connectivity. It stores up to 120,000 historical records, features multi-level alarm, wide optional H2O2 ranges, USB Type-C charging & data export, ideal for industrial H2O2 leakage monitoring.

HNAG920-C2H6O is a professional portable single ethanol C2H6O gas detector with dual pump suction & diffusion sampling modes. It features auto 180° rotating color screen, one-touch emergency alarm, Type-C 2-in-1 charge & data export, max 120,000 data logs, optional 4G/WiFi/Bluetooth/LoRa. Multiple ethanol measuring ranges available, explosion-proof Ex certification for factory, laboratory & alcohol workshop safety monitoring.

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.

Secure your facility with Skyeaglee's split-type helium and argon gas detector. Features thermal conductivity sensing, ranges up to 100%vol, IP66 rating, and real-time monitoring.

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.

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/...

HNAG900-NH3 portable ammonia gas detector adopts imported Honeywell sensor with pump suction design. It supports multiple optional NH3 measuring ranges, equips flexible sampling probe, multi-mode data transmission including 4/5G, LoRa and Bluetooth, supports local data storage & USB export, ideal for industrial leak check, indoor air monitoring and on-site environmental testing.

This HNAG900 handheld H2S hydrogen sulfide gas detector adopts imported sensor, 0-10ppm measuring range, built-in vacuum suction pump. It supports real-time curve display, USB data export, optional 4/5G, LoRa and Bluetooth transmission, equipped with bendable sampling probe, long-life battery, widely used for industrial leak check, indoor air quality inspection and on-site environmental gas testing.

HNAG900 portable CO carbon monoxide gas detector supports multiple measurement ranges for atmospheric & industrial gas monitoring. Equipped with imported Honeywell sensor, built-in vacuum suction pump, 27cm bendable sampling probe. It supports USB data export, 4/5G, LoRa, Bluetooth transmission, with large data storage, audible alarm, stable performance for factory leak check, ambient air inspection and industrial safety detection.

This pump-type portable CH4 methane detector equips Honeywell high precision sensor, supports multiple measuring ranges for methane testing. It adopts color LCD curve display, supports 4/5G cloud upload, LoRa and Bluetooth transmission for remote viewing, onsite printing and USB data export. 5400mA large battery offers long runtime, optional high/normal temperature probes, ideal for industrial methane leak check, environmental testing and indoor gas monitoring.

This portable pump-suction CO2 gas detector adopts imported Honeywell sensor, supports multiple measuring ranges for CO2 detection. Equipped with color LCD trend display, 4/5G, LoRa P2P and Bluetooth data transmission, it supports mobile/PC remote viewing, Bluetooth printing and USB data export. 5400mA large battery ensures long operation time, optional high/normal temperature sampling probes, widely used for indoor air test, industrial leak inspection, environmental monitoring.

This portable CH2O formaldehyde single gas detector adopts high-precision electrochemical sensor, supports pump suction & dual diffusion sampling, 180° auto screen rotation, 120,000 historical data storage, Type-C charging & data export, multiple wireless transmission modes, audible-visual alarm, IP rugged housing, widely used in indoor decoration, factory workshop, industrial environmental formaldehyde concentration detection.

This professional portable H2SO4 sulfuric acid single gas detector supports 0-30mg/m³ & 0-300mg/m³ measuring ranges, with pump suction & dual diffusion sampling modes, auto 180° screen rotation, multi-alarm design, 120,000 historical data storage, 4G/WiFi/Bluetooth/LORA connectivity, IP-grade rugged PC+TPU housing, ideal for chemical plant, lab and industrial toxic gas monitoring scenarios.

This professional portable H2O2 hydrogen peroxide single gas detector supports pump suction & dual diffusion sampling, with 180° auto-rotating color screen, 4G/WiFi/Bluetooth/LORA multi connectivity. It stores up to 120,000 historical records, features multi-level alarm, wide optional H2O2 ranges, USB Type-C charging & data export, ideal for industrial H2O2 leakage monitoring.

HNAG920-C2H6O is a professional portable single ethanol C2H6O gas detector with dual pump suction & diffusion sampling modes. It features auto 180° rotating color screen, one-touch emergency alarm, Type-C 2-in-1 charge & data export, max 120,000 data logs, optional 4G/WiFi/Bluetooth/LoRa. Multiple ethanol measuring ranges available, explosion-proof Ex certification for factory, laboratory & alcohol workshop safety monitoring.

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.

Secure your facility with Skyeaglee's split-type helium and argon gas detector. Features thermal conductivity sensing, ranges up to 100%vol, IP66 rating, and real-time monitoring.

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.

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/...

HNAG900-NH3 portable ammonia gas detector adopts imported Honeywell sensor with pump suction design. It supports multiple optional NH3 measuring ranges, equips flexible sampling probe, multi-mode data transmission including 4/5G, LoRa and Bluetooth, supports local data storage & USB export, ideal for industrial leak check, indoor air monitoring and on-site environmental testing.