Portable four-in-one gas detector BTYQ-MS400-S-Portable Series-Shenzhen Eranntex Electronics Co., Ltd

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Portable four-in-one gas detector BTYQ-MS400-S

Detection Method: Built-in pump suction type + diffusion type, pump suction sampling flow rate 0.5-1 liters/minute, flow rate ≥10 levels adjustable

Detection Gas: Two-in-one gas detectorFour-in-one gas detector Four-in-one detector Four-in-one gas detector Multi-gas detector Multi-in-one gas detector Multi-functional gas detector Carbon dioxide (infrared) CO2 Flammable gas detector Ex Flammable gas (infrared) Ex METHane CH4 Methane (infrared) CH4Methane (laser TDLAS) CH4 Ethane (Infrared) C2H6 Propane (Infrared) C3H8 Non-Methane Hydrocarbons CxHy Carbon Monoxide CO Hydrogen Sulfide H2S Oxygen O2 Nitrogen N2 Ammonia NH3 Chlorine CL2 Hydrogen H2 Helium He Argon Ar Formaldehyde CH2O Ozone O3 Nitrogen Oxide NONitrogen Dioxide NO2 Nitrogen Oxides NOX Sulfur Dioxide SO2 Ethylene Oxide ETO Ethylene Oxide (Infrared) C2H4O Phosphine PH3 Hydrogen Chloride HCL Hydrogen Cyanide HCN Phosgene COCL2 Chlorine dioxide CLO2 Silane SiH4 Methyl bromide (infrared) CH3Br Methyl bromide (PID) CH3BrFluorine F2 Hydrogen fluoride HF Hydrogen bromide HBr Boron hydride B2H6 Arsenic hydride AsH3 Germanium hydrage GeH4 Hydrazine N2H4 Hydrazine N2H4 Dicyandiamide C2H8N2 Nitrous oxide N2O4 Nitrogen trichloride NCL3 tert-Butyl mercaptan TBM Phosphorus pentafluoride PF5Boron trichloride BCL3 Phosphorus trichloride PCL3 Phosphorus oxychloride POCL3 Phosphorus trifluoride PF3 Boron trifluoride BF3 Azide HN3 Methyl sulfide C2H6S Dimethyl sulfate C2H6O4S Acetonitrile CH3CN Acetic acid C2H4O2 Acetic acid C2H4O2 Methyl acrylate MAEthyl acrylate EA Dimethyl disulfide C2H6S2 Dimethyl ether C2H6O Dimethyl disulfide C2H6S2 Dichlorosilane SiH2Cl2 Chlorosilane SiH3Cl Tetrahydrothiophene THT Bromine gas Br2 Acetylene (infrared) C2H2 Acetylene C2H2 Carbon disulfide CS2 Acrylonitrile C3H3NMethyl ethyl ketone MEK Acetone MDK Acetone (infrared) C3H6O Ethylene C2H4 Ethylene (infrared) C2H4 Isopropyl alcohol (infrared) C3H8O Ethanol C2H6O Ethanol (infrared) C2H6O Methanol CH4 Methanol (infrared) CH4O Methylamine CH5N Methyl mercaptan CH3SH Vinyl chloride C2H3ClVinyl chloride (infrared) C2H3Cl Trichloroethylene C2HCl3 Tetrachloroethylene C2Cl4 Nitrous oxide (infrared) N2O Nitrogen trifluoride NF3 Hydrogen peroxide H2O2 Styrene (PID) C8H8 Tetrahydrofuran (PID) THF TVOC (PID) TVOC VOC (PID) Benzene (PID) C6H6 Toluene (PID) C7H8Toluene (infrared) C7H8 Xylene (PID) C8H10 Xylene (infrared) C8H10 PID gas Odor OU Diesel (infrared) diesel Jet fuel (infrared) JET Butane (infrared) C4H10 Isobutane (infrared) C4H10 Pentane(IR)C5H12 Cyclopentane(IR)C5H10 n-Hexane (IR) C6H14 Propylene (IR) C3H6Methyl ethyl ketone (IR) C4H8O Carbonyl sulfide (IR) COS Freon CFC Refrigerant CFC

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

Measurement Range: According to the on-site environment and user needs

(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	Toxic gases, flammable gases, oxygen, carbon dioxide, VOC, etc.
Product Features	1. Contains 1-4 digital sensors. 2. Built-in pump-suction measurement, which can be switched to diffusion measurement with one click. 3. The protection level is IP68. 4. Multiple alarm modes, multiple alarm point settings, can turn off the alarm. 5. Benan circuit design, explosion-proof, anti-vibration, anti-static, anti-radiation.
Detection Range	According to the on-site environment and user needs
Resolution	0.001ppm (0-10ppm high precision)/0.01ppm (0~10 ppm); 0.01ppm (0~100 ppm), 0.1ppm (0~1000 ppm), 1ppm (0~1000 ppm or more); 0.1% LEL; 0.1%, 0.01%Vol
Typical Accuracy	≤±3% FS (optional higher-precision sensor)
Detection Method	Built-in pump suction type + diffusion type, pump suction sampling flow rate 0.5-1 liters/minute, flow rate ≥10 levels adjustable
Display	2.4-inch LCD color screen
Power Supply	DC7.4V
Maximum Power Consumption
Operating Environment	Temperature: -20℃~+55℃, customizable -40℃~+70℃; Relative humidity: 10-95%RH
Data Storage	The standard capacity is more than 1 million pieces; optional large-capacity memory card, support local viewing, deletion or data export, and arbitrary setting of the storage time interval
Printing Function
Signal Output
Alarm Method	Sound and light alarm, vibration alarm, voice alarm
Fall Alarm	Hold out
Wireless Transmission	Optional wireless transmission, and support Bluetooth, WIFI, LORA, MESH, 4G, NB-IOT and other methods.
Dimensions: LWH	The maximum size is 147×83×50mm (L×W×H) shell size, excluding the thickness of the back clamp
Weight	About 430g
Protection Level	IP68
Standard Accessories	Three-way accessories, filter, 0.2-meter swan neck sampling probe, instruction manual, qualification certificate, USB charger (including data cable), instrument safety box
Optional Accessories	1. Multiple filters; 2. Activated carbon filter; 3. 0.4-meter stainless steel sampling handle (including 1-meter hose), high-temperature sampling handle; 4. 0.9-meter retractable sampling handle (including 1-meter hose); 5. External Bluetooth printer.

Common Gas List (Other ranges and corresponding resolutions in the table below can be customized):

Partial list of detectable gases:
Detect gases	Range	Maximum allowable error value	Minimum reading	Response time T90
Combustible Gas (EX)	0-100%LEL	＜±2%(F.S)	0.1%LEL	≤10 seconds
Combustible Gas (EX)	0-100%Vol	＜±2%(F.S)	0.1%Vol	≤10 seconds
Methane (CH4)	0-100%LEL	＜±2%(F.S)	0.1%LEL	≤10 seconds
Methane (CH4)	0-100%Vol	＜±2%(F.S)	0.1%Vol	≤10 seconds
Oxygen (O2)	0-30%Vol	＜±2%(F.S)	0.01%Vol	≤10 seconds
Oxygen (O2)	0-100%Vol	＜±2%(F.S)	0.01%Vol	≤10 seconds
Oxygen (O2)	0-5000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Nitrogen (N2)	0-100%Vol	＜±2%(F.S)	0.01%Vol	≤10 seconds
Carbon monoxide (CO)	0-100ppm	＜±2%(F.S)	0.1ppm	≤25 seconds
Carbon monoxide (CO)	0-1000ppm	＜±2%(F.S)	0.1ppm	≤25 seconds
Carbon monoxide (CO)	0-2000ppm	＜±2%(F.S)	0.1ppm	≤25 seconds
Carbon monoxide (CO)	0-20000ppm	＜±2%(F.S)	1ppm	≤25 seconds
Carbon monoxide (CO)	0-100000ppm	＜±2%(F.S)	1ppm	≤25 seconds
Carbon dioxide (CO2)	0-500ppm	＜±2%(F.S)	1ppm	≤20 seconds
Carbon dioxide (CO2)	0-2000ppm	＜±2%(F.S)	1ppm	≤20 seconds
Carbon dioxide (CO2)	0-5000ppm	＜±2%(F.S)	1ppm	≤20 seconds
Carbon dioxide (CO2)	0-50000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Carbon dioxide (CO2)	0-20%Vol	＜±2%(F.S)	0.01%Vol	≤30 seconds
Carbon dioxide (CO2)	0-100%Vol	＜±2%(F.S)	0.01%Vol	≤30 seconds
Formaldehyde (CH2O)	0-10ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Formaldehyde (CH2O)	0-10ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Formaldehyde (CH2O)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Formaldehyde (CH2O)	0-5000ppm	＜±2%(F.S)	1ppm	≤50 seconds
Ozone (O3)	0-1ppm	＜±2%(F.S)	0.001ppm	≤20 seconds
Ozone (O3)	0-5ppm	＜±2%(F.S)	0.001ppm	≤20 seconds
Ozone (O3)	0-50ppm	＜±2%(F.S)	0.01ppm	≤20 seconds
Ozone (O3)	0-100ppm	＜±2%(F.S)	0.01ppm	≤20 seconds
Ozone (O3)	0-2000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Ozone (O3)	0-30000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Hydrogen sulfide (H2S)	0-10ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Hydrogen sulfide (H2S)	0-50ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Hydrogen sulfide (H2S)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Hydrogen sulfide (H2S)	0-2000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Hydrogen sulfide (H2S)	0-10000ppm	＜±2%(F.S)	1ppm	≤45 seconds
Sulfur dioxide (SO2)	0-10ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Sulfur dioxide (SO2)	0-20ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Sulfur dioxide (SO2)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Sulfur dioxide (SO2)	0-500ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Sulfur dioxide (SO2)	0-2000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Sulfur dioxide (SO2)	0-10000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Nitric oxide (NO)	0-10ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Nitric oxide (NO)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Nitric oxide (NO)	0-2000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Nitric oxide (NO)	0-5000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Nitrogen dioxide (NO2)	0-10ppm	＜±2%(F.S)	0.001ppm	≤25 seconds
Nitrogen dioxide (NO2)	0-100ppm	＜±2%(F.S)	0.01ppm	≤25 seconds
Nitrogen dioxide (NO2)	0-1000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Nitrogen dioxide (NO2)	0-5000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Nitrogen oxides (NOX)	0-10ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Nitrogen oxides (NOX)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Nitrogen oxides (NOX)	0-2000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Nitrogen oxides (NOX)	0-5000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Chlorine (CL2)	0-10ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Chlorine (CL2)	0-20ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Chlorine (CL2)	0-200ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Chlorine (CL2)	0-2000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Ammonia (NH3)	0-50ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Ammonia (NH3)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Ammonia (NH3)	0-1000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Ammonia (NH3)	0-5000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Ammonia (NH3)	0-100%LEL	＜±2%(F.S)	0.1%LEL	≤10 seconds
Hydrogen (H2)	0-100%LEL	＜±2%(F.S)	0.1%LEL	≤10 seconds
Hydrogen (H2)	0-1000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Hydrogen (H2)	0-20000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Hydrogen (H2)	0-40000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Hydrogen (H2)	0-100%Vol	＜±2%(F.S)	0.01%Vol	≤20 seconds
Helium (He)	0-100%Vol	＜±2%(F.S)	0.01%Vol	≤20 seconds
Argon (Ar)	0-100%Vol	＜±2%(F.S)	0.01%Vol	≤20 seconds
Xenon (Xe)	0-100%Vol	＜±2%(F.S)	0.01%Vol	≤20 seconds
Hydrogen cyanide (HCN)	0-30ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Hydrogen cyanide (HCN)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Hydrogen chloride (HCL)	0-20ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Hydrogen chloride (HCL)	0-200ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Phosphine (PH3)	0-5 ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Phosphine (PH3)	0-25 ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Phosphine (PH3)	0-2000 ppm	＜±2%(F.S)	1ppm	≤30 seconds
Chlorine dioxide (CLO2)	0-1ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Chlorine dioxide (CLO2)	0-10ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Chlorine dioxide (CLO2)	0-200ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Ethylene oxide (ETO)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Ethylene oxide (ETO)	0-1000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Ethylene oxide (ETO)	0-100%LEL	＜±2%(F.S)	1%LEL	≤30 seconds
Phosgene (COCL2)	0-1ppm	＜±2%(F.S)	0.001ppm	≤20 seconds
Phosgene (COCL2)	0-50ppm	＜±2%(F.S)	0.01ppm	≤20 seconds
Silane (SiH4)	0-1ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Silane (SiH4)	0-50ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Fluorine (F2)	0-1ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Fluorine (F2)	0-10ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Fluorine (F2)	0-50ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Hydrogen fluoride (HF)	0-10ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Hydrogen fluoride (HF)	0-50ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Hydrogen bromide (HBr)	0-50ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Diborane (B2H6)	0-10ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Arsine (AsH3)	0-1ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Arsine (AsH3)	0-10ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Arsine (AsH3)	0-50ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Germane (GeH4)	0-2ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Germane (GeH4)	0-20ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Hydrazine (N2H4)	0-1ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Hydrazine (N2H4)	0-300ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Tetrahydrothiophene (THT)	0-100mg/m3	＜±2%(F.S)	0.01 mg/m3	≤60 seconds
Bromine (Br2)	0-10ppm	＜±2%(F.S)	0.001ppm	≤30 seconds
Bromine (Br2)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Bromine (Br2)	0-2000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Acetylene (C2H2)	0-100%LEL	＜±2%(F.S)	0.1%LEL	≤30 seconds
Acetylene (C2H2)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Acetylene (C2H2)	0-1000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Ethylene (C2H4)	0-100%LEL	＜±2%(F.S)	0.1%LEL	≤30 seconds
Ethylene (C2H4)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Ethylene (C2H4)	0-2000ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Acetaldehyde	0-10ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Ethanol (C2H6O)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Ethanol (C2H6O)	0-2000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Methanol (CH4O)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Methanol (CH4O)	0-2000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Carbon disulfide (CS2)	0-50ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Carbon disulfide (CS2)	0-5000ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Acrylonitrile (C3H3N)	0-50ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Acrylonitrile (C3H3N)	0-2000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Methylamine (CH5N)	0-50ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Iodine (I2)	0-50ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Styrene (C8H8)	0-200ppm	＜±2%(F.S)	0.1ppm	≤30 seconds
Styrene (C8H8)	0-5000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Vinyl chloride (C2H3Cl)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Trichloroethylene (C2HCl3)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Tetrachloroethylene (C2Cl4)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Nitrous oxide (N2O)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Nitrogen trifluoride (NF3)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Hydrogen peroxide (H2O2)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Methyl bromide (CH3Br)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Methyl bromide (CH3Br)	0-30000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Methyl bromide (CH3Br)	0-200g/m3	＜±2%(F.S)	0.1g/m3	≤30 seconds
Sulfuryl fluoride (SO2F2)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Sulfuryl fluoride (SO2F2)	0-5000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Sulfuryl fluoride (SO2F2)	0-10000ppm	＜±2%(F.S)	1ppm	≤30 seconds
Benzene (C6H6)	0-10ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Benzene (C6H6)	0-100ppm	＜±2%(F.S)	0.01ppm	≤30 seconds
Benzene (C6H6)	0-2000ppm	＜±2%(F.S)	1ppm	≤30 seconds

Note: For other gases not listed in the table above, please call for consultation.

Product HighlightsNew process formula enhances performance to meet stricter application requirements

High PrecisionUp to ±0.1%FS (varies by gas type)
Wireless ConnectivityOptional wireless communication for real-time data monitoring
Advanced ProtectionIP67+ protection level
Explosion-proof DesignHigh shock and explosion resistance
Anti-interference DesignAnti-static and electromagnetic interference
HD Color DisplayComprehensive and clear information display
Large Capacity StorageMassive data storage
Multiple Transmission MethodsUSB, infrared, RS232, Bluetooth, WiFi

500+ Detectable Gases

Customize according to requirements 1-18 typesDetecting gas combinations

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