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Portable 6-in-1 Gas Detector (BTYQ-MS600-S)

Detection Method: Built-in pump-suction mechanism; sampling flow rate of 0.5–1 L/min, with ≥10 adjustable flow levels.

Detection Gas: The gases detected include toxic gases, combustible gases, oxygen, carbon dioxide, VOCs, and others, depending on the on-site environment and user requirements.

(Over 500 detectable gas types available, please consult our customer service)

Measurement Range: Depends on the on-site environment and user requirements.

(Customizable measurement ranges available, please consult our customer service)

Customization: Supports on-demand customization

Hotline: 13480931872

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Product ParametersCommon Gas ListProduct IntroductionProduct Details

Item Parameter
Detection Gas The gases detected include toxic gases, combustible gases, oxygen, carbon dioxide, VOCs, and others, depending on the on-site environment and user requirements.
Product Features
Detection Range Depends on the on-site environment and user requirements.
Resolution 0.001 ppm (0–10 ppm, high precision) / 0.01 ppm (0–10 ppm); 0.01 ppm (0–100 ppm), 0.1 ppm (0–1000 ppm), 1 ppm (0–1000 ppm and above); 0.1% LEL; 0.1%, 0.01% Vol
Typical Accuracy ≤±2% FS (Higher-precision sensors available as an option)
Detection Method Built-in pump-suction mechanism; sampling flow rate of 0.5–1 L/min, with ≥10 adjustable flow levels.
Display 3.5-inch HD Color Touchscreen, IPS Wide Viewing Angle
Power Supply DC7.4V
Maximum Power Consumption
Operating Environment Temperature: -20°C to +55°C (customizable to -40°C to +70°C); Relative Humidity: 10–95% RH
Data Storage The standard capacity exceeds 1 million records; an optional high-capacity storage card is available, supporting on-device viewing, deletion, or data export, with fully customizable storage intervals.
Printing Function
Signal Output
Alarm Method Fall Detection Alarm
Fall Alarm
Wireless Transmission Supports simultaneous Bluetooth, Wi-Fi, LoRa/LoRaWAN, Mesh, 4G, or NB-IoT connectivity.
Dimensions: L*W*H Maximum dimensions: 188 × 85 × 55 mm (L × W × H), excluding the thickness of the belt clip.
Weight Approx. 530g
Protection Level
Standard Accessories T-fittings, filter, 0.2m gooseneck sampling probe, user manual, certificate of conformity, USB charger (with data cable), instrument carrying case.
Optional Accessories 1. Multiple filters; 2. Activated carbon filter; 3. 0.4m stainless steel sampling probe (including 1m hose) and high-temperature sampling probe; 4. 0.9m retractable sampling probe (including 1m hose); 5. External Bluetooth printer.

Common Gases Reference Table (Other ranges and corresponding resolutions not listed below are available upon request):


Detected GasRangeResolution
Detected GasRangeResolution
VOCs (VOC)1 ppb – 10,000 ppm1 ppb
Hydrogen Cyanide (HCN)0 – 30 ppm0.01 ppm
VOCs (VOC)0 – 20 ppm0.01 ppm
Hydrogen Cyanide (HCN)0 – 100 ppm0.01 ppm
VOCs (VOC)0 – 200 ppm0.01 ppm
Hydrogen Chloride (HCl)0 – 20 ppm0.01 ppm
VOCs (VOC)0 – 2,000 ppm0.1 ppm
Hydrogen Chloride (HCl)0 – 200 ppm0.1 ppm
Combustible Gas (EX)0 – 100% LEL0.1% LEL
Phosphine (PH3)0 – 5 ppm0.001 ppm
Combustible Gas (EX)0 – 100% Vol0.01% Vol
Phosphine (PH3)0 – 20 ppm0.01 ppm
Methane (CH4)0 – 100% LEL0.1% LEL
Phosphine (PH3)0 – 2,000 ppm0.1 ppm
Methane (CH4)0 – 100% Vol0.01% Vol
Chlorine Dioxide (ClO2)0 – 1 ppm0.001 ppm
Oxygen (O2)0 – 30% Vol0.01% Vol
Chlorine Dioxide (ClO2)0 – 10 ppm0.01 ppm
Oxygen (O2)0 – 100% Vol0.01% Vol
Chlorine Dioxide (ClO2)0 – 100 ppm0.01 ppm
Carbon Monoxide (CO)0 – 50 ppm0.01 ppm
Ethylene Oxide (ETO) 0-100 ppm0.01 ppm
Carbon Monoxide (CO)0-500 ppm0.1 ppm
Ethylene Oxide (ETO)0-1000 ppm0.1 ppm
Carbon Monoxide (CO)0-1000 ppm0.1 ppm
Ethylene Oxide (ETO)0-100% LEL0.1% LEL
Carbon Monoxide (CO)0-5000 ppm0.1 ppm
Phosgene (COCl2)0-1 ppm0.001 ppm
Carbon Monoxide (CO)0-100,000 ppm1 ppm
Silane (SiH4)0-1 ppm0.001 ppm
Carbon Dioxide (CO2)0-5000 ppm1 ppm
Silane (SiH4)0-50 ppm0.01 ppm
Carbon Dioxide (CO2)0-50,000 ppm1 ppm
Fluorine (F2)0-1 ppm0.001 ppm
Carbon Dioxide (CO2)0-5% Vol0.01% Vol
Fluorine (F2)0-10 ppm0.01 ppm
Carbon Dioxide (CO2)0-20% Vol0.01% Vol
Fluorine (F2)0-100 ppm0.01 ppm
Carbon Dioxide (CO2)0-50% Vol0.01% Vol
Hydrogen Fluoride (HF)0-10 ppm0.01 ppm
Carbon Dioxide (CO2)0-100% Vol0.01% Vol
Hydrogen Fluoride (HF)0-50 ppm0.01 ppm
Formaldehyde (CH2O)0-10 ppm0.001 ppm
Hydrogen Bromide (HBr)0-50 ppm0.01 ppm
Formaldehyde (CH2O)0-50 ppm 0.01 ppm
Diborane (B2H6)0–10 ppm0.001 ppm
Formaldehyde (CH2O)0–100 ppm0.01 ppm
Arsine (AsH3)0–1 ppm0.001 ppm
Formaldehyde (CH2O)0–1000 ppm0.1 ppm
Arsine (AsH3)0–10 ppm0.001 ppm
Ozone (O3)0–1 ppm0.001 ppm
Arsine (AsH3)0–10 ppm0.01 ppm
Ozone (O3)0–10 ppm0.001 ppm
Germane (GeH4)0–2 ppm0.001 ppm
Ozone (O3)0–100 ppm0.01 ppm
Germane (GeH4)0–50 ppm0.01 ppm
Ozone (O3)0–2000 ppm0.1 ppm
Hydrazine (N2H4)0–1 ppm0.001 ppm
Hydrogen Sulfide (H2S)0–10 ppm0.001 ppm
Hydrazine (N2H4)0–300 ppm0.1 ppm
Hydrogen Sulfide (H2S)0–100 ppm0.01 ppm
Tetrahydrothiophene (THT)0–50 mg/m³0.01 mg/m³
Hydrogen Sulfide (H2S)0–500 ppm0.1 ppm
Bromine (Br2)0–10 ppm0.001 ppm
Hydrogen Sulfide (H2S)0–2000 ppm0.1 ppm
Bromine (Br2)0–50 ppm0.01 ppm
Sulfur Dioxide (SO2) 0-10 ppm0.001 ppm
Acetylene (C2H2)0-100% LEL0.1% LEL
Sulfur Dioxide (SO2)0-50 ppm0.01 ppm
Acetylene (C2H2)0-100 ppm0.01 ppm
Sulfur Dioxide (SO2)0-100 ppm0.01 ppm
Acetylene (C2H2)0-1000 ppm0.1 ppm
Sulfur Dioxide (SO2)0-500 ppm0.1 ppm
Ethylene (C2H4)0-100% LEL0.1% LEL
Sulfur Dioxide (SO2)0-5000 ppm0.1 ppm
Ethylene (C2H4)0-100 ppm0.01 ppm
Nitric Oxide (NO)0-10 ppm0.001 ppm
Ethylene (C2H4)0-1000 ppm0.1 ppm
Nitric Oxide (NO)0-50 ppm0.01 ppm
Ethyl Mercaptan (C2H5SH)0-10 mg/m³0.01 mg/m³
Nitric Oxide (NO)0-100 ppm0.01 ppm
Ethanol (C2H6O)0-100% LEL0.1% LEL
Nitric Oxide (NO)0-500 ppm0.1 ppm
Ethanol (C2H6O)0-100 ppm0.01 ppm
Nitric Oxide (NO)0-5000 ppm0.1 ppm
Ethanol (C2H6O)0-2000 ppm0.1 ppm
Nitrogen Dioxide (NO2)0-10 ppm0.001 ppm
Methanol (CH6O)0-100% LEL 0.1% LEL
Nitrogen Dioxide (NO2)0-50 ppm0.01 ppm
Methanol (CH6O)0-100 ppm0.01 ppm
Nitrogen Dioxide (NO2)0-100 ppm0.01 ppm
Methanol (CH6O)0-2000 ppm0.1 ppm
Nitrogen Dioxide (NO2)0-500 ppm0.1 ppm
Carbon Disulfide (CS2)0-50 ppm0.01 ppm
Nitrogen Dioxide (NO2)0-5000 ppm0.1 ppm
Acrylonitrile (C3H3N)0-100 ppm0.01 ppm
Nitrogen Oxides (NOx)0-10 ppm0.001 ppm
Dinitrogen Tetroxide (N2O4)0-100 ppm0.01 ppm
Nitrogen Oxides (NOx)0-100 ppm0.01 ppm
Nitrous Oxide (N2O)0-1000 ppm1 ppm
Nitrogen Oxides (NOx)0-500 ppm0.1 ppm
Methylamine (C3H9N)0-50 ppm0.01 ppm
Nitrogen Oxides (NOx)0-5000 ppm0.1 ppm
Nitrogen (N2)0-100% Vol0.01% Vol
Chlorine (Cl2)0-10 ppm0.001 ppm
Sulfur Hexafluoride (SF6)0-1000 ppm1 ppm
Chlorine (Cl2)0-20 ppm0.01 ppm
Benzene (C6H6)0-200 ppm0.1 ppm
Chlorine (Cl2)0-200 ppm0.1 ppm
Toluene (C7H8)0-200 ppm0.1 ppm
Ammonia (NH3)0-10 ppm 0.001 ppm
Xylene (C8H10)0–200 ppm0.1 ppm
Ammonia (NH3)0–50 ppm0.01 ppm
Styrene (C8H8)0–200 ppm0.1 ppm
Ammonia (NH3)0–100 ppm0.01 ppm
Styrene (C8H8)0–5000 ppm0.1 ppm
Ammonia (NH3)0–1000 ppm0.1 ppm
Vinyl Chloride (C2H3Cl)0–200 ppm0.1 ppm
Ammonia (NH3)0–5000 ppm0.1 ppm
Trichloroethylene (C2HCl3)0–200 ppm0.1 ppm
Ammonia (NH3)0–100% LEL0.1% LEL
Tetrachloroethylene (PID) (C2Cl4)0–200 ppm0.1 ppm
Hydrogen (H2)0–100% LEL0.1% LEL
Bromomethane (CH3Br)0–200 ppm0.1 ppm
Hydrogen (H2)0–1000 ppm0.1 ppm
Sulfuryl Fluoride (SO2F2)0–200 g/m³0.1 g/m³
Hydrogen (H2)0–20,000 ppm1 ppm
Refrigerant (R134a)0–1000 ppm1 ppm
Hydrogen (H2)0–40,000 ppm1 ppm
Refrigerant (R14)0–1000 ppm1 ppm
Hydrogen (H2)0–100% Vol0.01% Vol
Refrigerant (R32)0–1000 ppm1 ppm
Helium (He) 0–100,000 ppm10 ppm
Refrigerant (R1234ze)0–1,000 ppm1 ppm
Helium (He)0–100% Vol0.01% Vol
Refrigerant (R1234yf)0–1,000 ppm1 ppm
Argon (Ar)0–100% Vol0.01% Vol
Refrigerant (R22)0–1,000 ppm1 ppm
Refrigerant (CFC)0–1,000 ppm1 ppm
Heptafluoropropane (C3HF7)0–1,000 ppm1 ppm


Note: For other gases not listed in the table above, or for different measurement ranges, please contact us for inquiries.

BTYQ-MS600-S Portable 6-in-1 Gas Detector — Overview:

The BTYQ-MS600-S Portable 6-in-1 Gas Detector is primarily designed for the rapid and accurate detection of gas leaks and for providing alarms when gas concentrations exceed safe limits. The device features a front-mounted digital sensor that can be replaced without disassembling the unit. Each digital sensor is "plug-and-play" and features intelligent recognition capabilities, allowing for the simultaneous configuration of multiple individual digital sensors to detect a wider variety of gases. The detector employs various primary sensing principles, including electrochemical, infrared, catalytic combustion, thermal conductivity, and PID (Photoionization Detection). The BTYQ-MS600-S is widely utilized in diverse applications such as firefighting, emergency rescue, confined space operations, petroleum, chemical engineering, metallurgy, refining, gas utilities, warehousing, pharmaceuticals, environmental protection, and air quality management.

BTYQ-MS600-S Portable 6-in-1 Gas Detector — Key Features:

★ Built-in pump-driven sampling system.

★ Pump blockage alarm.

★ Integrated LED illumination.

★ Utilizes digital sensors: each sensor is hot-swappable, features intelligent recognition, is "plug-and-play," requires no calibration, and can be inserted into any available sensor slot.

★ Individual sensors can be enabled or disabled via the device menu settings.

★ Alarms for missing sensors and early warnings for sensors nearing the end of their service life.

★ Features a front-mounted digital sensor that can be replaced without disassembling the device.

★ Unit switching capability; selectable units include: μmol/mol, ppm, pphm, ppb, mg/m³, μg/m³, %Vol, and %LEL.

★ User interface features 4 physical buttons combined with a touchscreen; includes a quick one-touch calibration function.

★ 3.5-inch high-definition color touchscreen display with IPS wide-angle viewing and capacitive touch technology.

★ Data storage capability: standard capacity exceeds 1 million data entries; supports an optional high-capacity storage card for storing over 10 million data entries.

★ Communication Interface: Type-C port for both fast charging and data communication.

★ Optional Wireless Transmission: Simultaneously supports Bluetooth, Wi-Fi, LoRa/LoRaWAN, MESH, 4G/NB-IoT, and other protocols; includes a signal strength indicator. Wi-Fi and 4G connectivity support communication protocols such as HTTP, MQTT, TCP, and UDP. ★ Optional Features: BeiDou positioning; one-touch location upload to cloud platform; wireless interconnection between multiple devices; support for viewing via mobile apps; remote alarming; notifications via phone calls, SMS, and WeChat.

★ Supports remote maintenance and remote firmware upgrades.

★ Fall detection alarm.

★ SOS one-touch emergency call (motion-triggered alarm, active distress signal); "Lazy Clock" (inactivity reminder) function.

★ Data recovery function: allows for the partial or complete restoration of factory default settings.

★ Built-in gas library (covering combustible gases, VOCs, and toxic gases).

★ Displays maximum, minimum, and weighted average values; supports real-time curve graphs, bar charts, and list views.

★ Multiple selectable alarm tones; alarm tones can be configured independently for each type; alarm volume exceeds 95 dB at a distance of 30 cm.

★ Multiple alarm methods and modes available; supports the configuration of multiple alarm thresholds; alarms can be disabled.

Alarm Methods: Audible/visual alarm, vibration alarm, voice alarm.

Alarm Types: Concentration alarm, low battery alarm, fault alarm, pump blockage alarm, fall detection alarm, SOS alarm (motion-triggered alarm).

Alarm Modes: Low-level alarm, high-level alarm, range alarm, TWA/STEL alarms.

★ Accidental operation detection function.

★ Automatic zero-point tracking.

★ Multi-point span calibration.

★ Intrinsically safe circuit design; features explosion-proof, vibration-resistant, anti-static, and anti-radiation capabilities.

★ IP68 protection rating. ★ Applicable Standards:

GB/T 3836.1-2021 — *Electrical Equipment for Explosive Gas Atmospheres — General Requirements*

GB/T 3836.4-2021 — *Electrical Equipment for Explosive Gas Atmospheres — Intrinsic Safety "i"*

GB 15322.3-2019 — *Flammable Gas Detectors — Part 3: Portable Flammable Gas Detectors for Industrial and Commercial Use*

GB/T 20936.1-2022 — *Gas Detectors for Explosive Atmospheres — Part 1: Performance Requirements for Flammable Gas Detectors*

GB 12358-2024 — *General Technical Requirements for Gas Detection and Alarm Instruments in Workplaces*

BTYQ-MS600-S Portable 6-in-1 Gas Detector — Outline Drawing:

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Built-in Pump-Suction + Detachable Probe             Built-in Pump-Suction + Detachable Probe + Gooseneck Sampling Probe


Product HighlightsNew process formula enhances performance to meet stricter application requirements

500+ Detectable Gases

500+ Detectable Gases

Customize according to requirements 1-18 typesDetecting gas combinations

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