Portable 2-in-1 Gas Detector BTYQ-MS104K-S2-Portable Series-Shenzhen Eranntex Electronics Co., Ltd

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Portable 2-in-1 Gas Detector BTYQ-MS104K-S2

Detection Method: Diffusion Type

Detection Gas: Simultaneously detects 1–2 types of gases—including 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	Simultaneously detects 1–2 types of gases—including 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	≤±3% FS (Higher-precision sensors available as an option)
Detection Method	Diffusion Type
Display	2-inch LCD (Optional: HD Color Screen)
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	Storage capacity of over 1 million records
Printing Function
Signal Output
Alarm Method	Audible and Visual Alarm, Vibration Alarm
Fall Alarm	Supports fall detection alerts, one-touch SOS emergency calling (motion-triggered alerts and manual distress calls), and a \"snooze alarm\" function.
Wireless Transmission	Supports wireless transmission methods such as 4G, Wi-Fi, LoRa, and Bluetooth.
Dimensions: LWH	Maximum dimensions: 107 × 63 × 40 mm (L × W × H) — housing dimensions, excluding the thickness of the belt clip.
Weight	Approximately 230g; weight varies depending on the configuration.
Protection Level
Standard Accessories	Calibration Cap, User Manual, Certificate of Conformity, USB Charger (including Data Cable), Instrument Packaging Box
Optional Accessories	Instrument Safety Case, Data SIM Card

Common Gases Reference Table (Other ranges and corresponding resolutions are customizable):

Detected Gas	Range	Resolution		Detected Gas	Range	Resolution
VOCs (VOC)	0-20 ppm	0.01 ppm		Hydrogen Cyanide (HCN)	0-100 ppm	0.01 ppm
VOCs (VOC)	0-200 ppm	0.1 ppm		Hydrogen Chloride (HCl)	0-20 ppm	0.01 ppm
VOCs (VOC)	0-2000 ppm	1 ppm		Hydrogen Chloride (HCl)	0-200 ppm	0.1 ppm
VOCs (VOC)	0-10000 ppm	1 ppm		Phosphine (PH3)	0-5 ppm	0.001 ppm
Combustible Gas (EX)	0-1000 ppm	1 ppm		Phosphine (PH3)	0-20 ppm	0.01 ppm
Combustible Gas (EX)	0-100% LEL	0.1% LEL		Phosphine (PH3)	0-2000 ppm	1 ppm
Combustible Gas (EX)	0-100% Vol	0.01% Vol		Chlorine Dioxide (ClO2)	0-1 ppm	0.001 ppm
Methane (CH4)	0-100% LEL	0.1% LEL		Chlorine Dioxide (ClO2)	0-10 ppm	0.01 ppm
Methane (CH4)	0-100% Vol	0.01% Vol		Chlorine Dioxide (ClO2)	0-100 ppm	0.01 ppm
Oxygen (O2)	0-30% Vol	0.01% Vol		Ethylene Oxide (ETO)	0-100 ppm	0.01 ppm
Oxygen (O2)	0-100% Vol	0.01% Vol		Ethylene Oxide (ETO)	0-1000 ppm	0.1 ppm
Carbon Monoxide (CO) 0-100 ppm	0.01 ppm		Ethylene Oxide (ETO)	0-100% LEL	0.1% LEL
Carbon Monoxide (CO)	0-1000 ppm	0.1 ppm		Phosgene (COCl2)	0-1 ppm	0.001 ppm
Carbon Monoxide (CO)	0-2000 ppm	1 ppm		Phosgene (COCl2)	0-10 ppm	0.01 ppm
Carbon Monoxide (CO)	0-5000 ppm	1 ppm		Silane (SiH4)	0-1 ppm	0.001 ppm
Carbon Monoxide (CO)	0-10000 ppm	1 ppm		Silane (SiH4)	0-50 ppm	0.01 ppm
Carbon Dioxide (CO2)	0-5000 ppm	1 ppm		Fluorine (F2)	0-1 ppm	0.001 ppm
Carbon Dioxide (CO2)	0-50000 ppm	1 ppm		Fluorine (F2)	0-10 ppm	0.001 ppm
Carbon Dioxide (CO2)	0-5% Vol	0.01% Vol		Fluorine (F2)	0-100 ppm	0.01 ppm
Carbon Dioxide (CO2)	0-20% Vol	0.01% Vol		Hydrogen Fluoride (HF)	0-10 ppm	0.01 ppm
Carbon Dioxide (CO2)	0-100% Vol	0.01% Vol		Hydrogen Fluoride (HF)	0-50 ppm	0.01 ppm
Formaldehyde (CH2O)	0-10 ppm	0.01 ppm		Hydrogen Bromide (HBr)	0-50 ppm	0.01 ppm
Formaldehyde (CH2O)	0-50 ppm	0.01 ppm		Diborane (B2H6)	0-10 ppm 0.001 ppm
Formaldehyde (CH2O)	0–100 ppm	0.01 ppm		Arsine (AsH3)	0–1 ppm	0.001 ppm
Formaldehyde (CH2O)	0–1000 ppm	1 ppm		Arsine (AsH3)	0–10 ppm	0.001 ppm
Ozone (O3)	0–1 ppm	0.001 ppm		Germane (GeH4)	0–1 ppm	0.001 ppm
Ozone (O3)	0–10 ppm	0.01 ppm		Germane (GeH4)	0–10 ppm	0.001 ppm
Ozone (O3)	0–100 ppm	0.01 ppm		Germane (GeH4)	0–50 ppm	0.01 ppm
Ozone (O3)	0–2000 ppm	1 ppm		Hydrazine (N2H4)	0–1 ppm	0.001 ppm
Hydrogen Sulfide (H2S)	0–10 ppm	0.01 ppm		Hydrazine (N2H4)	0–300 ppm	0.1 ppm
Hydrogen Sulfide (H2S)	0–100 ppm	0.01 ppm		Tetrahydrothiophene (THT)	0–50 mg/m³	0.01 mg/m³
Hydrogen Sulfide (H2S)	0–500 ppm	0.1 ppm		Bromine (Br2)	0–10 ppm	0.01 ppm
Hydrogen Sulfide (H2S)	0–2000 ppm	1 ppm		Bromine (Br2)	0–50 ppm	0.01 ppm
Sulfur Dioxide (SO2)	0–20 ppm	0.01 ppm		Acetylene (C2H2)	0–100% LEL 0.1% LEL
Sulfur Dioxide (SO2)	0–100 ppm	0.01 ppm		Acetylene (C2H2)	0–100 ppm	0.1 ppm
Sulfur Dioxide (SO2)	0–1000 ppm	0.1 ppm		Acetylene (C2H2)	0–1000 ppm	1 ppm
Sulfur Dioxide (SO2)	0–5000 ppm	1 ppm		Ethylene (C2H4)	0–10 ppm	0.01 ppm
Nitric Oxide (NO)	0–20 ppm	0.01 ppm		Ethylene (C2H4)	0–100 ppm	0.1 ppm
Nitric Oxide (NO)	0–100 ppm	0.01 ppm		Ethylene (C2H4)	0–1000 ppm	1 ppm
Nitric Oxide (NO)	0–1000 ppm	0.1 ppm		Ethyl Mercaptan (C2H5SH)	0–10 mg/m³	0.01 mg/m³
Nitric Oxide (NO)	0–5000 ppm	1 ppm		Ethanol (C2H6O)	0–100% LEL	0.1% LEL
Nitrogen Dioxide (NO2)	0–20 ppm	0.01 ppm		Ethanol (C2H6O)	0–100 ppm	0.1 ppm
Nitrogen Dioxide (NO2)	0–100 ppm	0.01 ppm		Ethanol (C2H6O)	0–2000 ppm	1 ppm
Nitrogen Dioxide (NO2)	0–1000 ppm	0.1 ppm		Methanol (CH6O)	0–100% LEL	0.1% LEL
Nitrogen Dioxide (NO2)	0–2000 ppm	1 ppm		Methanol (CH6O)	0–100 ppm	0.1 ppm
Nitrogen Oxides (NOx) 0-100 ppm	0.01 ppm		Methanol (CH6O)	0-2000 ppm	1 ppm
Nitrogen Oxides (NOx)	0-500 ppm	0.1 ppm		Carbon Disulfide (CS2)	0-50 ppm	0.01 ppm
Nitrogen Oxides (NOx)	0-2000 ppm	1 ppm		Acrylonitrile (C3H3N)	0-100 ppm	0.01 ppm
Chlorine (Cl2)	0-20 ppm	0.01 ppm		Dinitrogen Tetroxide (N2O4)	0-100 ppm	0.01 ppm
Chlorine (Cl2)	0-200 ppm	0.1 ppm		Nitrous Oxide (N2O)	0-1000 ppm	1 ppm
Ammonia (NH3)	0-10 ppm	0.01 ppm		Methylamine (C3H9N)	0-50 ppm	0.01 ppm
Ammonia (NH3)	0-100 ppm	0.01 ppm		Nitrogen (N2)	0-100% Vol	0.01% Vol
Ammonia (NH3)	0-1000 ppm	0.1 ppm		Benzene (C6H6)	0-200 ppm	0.1 ppm
Ammonia (NH3)	0-5000 ppm	1 ppm		Toluene (C7H8)	0-200 ppm	0.1 ppm
Ammonia (NH3)	0-100% LEL	0.1% LEL		Xylene (C8H10)	0-200 ppm	0.1 ppm
Hydrogen (H2)	0-100% LEL	0.1% LEL		Styrene (C8H8)	0-200 ppm	0.1 ppm
Hydrogen (H2)	0-1000 ppm	0.1 ppm Vinyl Chloride (C2H3Cl)	0–200 ppm	0.1 ppm
Hydrogen (H2)	0–20,000 ppm	1 ppm		Trichloroethylene (C2HCl3)	0–200 ppm	0.1 ppm
Hydrogen (H2)	0–40,000 ppm	1 ppm		Tetrachloroethylene (PID) (C2Cl4)	0–200 ppm	0.1 ppm
Hydrogen (H2)	0–100% Vol	0.01% Vol		Bromomethane (CH3Br)	0–100 ppm	0.1 ppm
Hydrogen Cyanide (HCN)	0–30 ppm	0.01 ppm		Bromomethane (CH3Br)	0–200 mg/m³	0.1 mg/m³

Note: For other gases not listed in the table above, please contact us for inquiries

BTYQ-MS104K-S2 Portable 2-in-1 Gas Detector — Key Features:

★ Diffusion-type measurement; low-power design with a battery life of no less than 48 hours (with real-time 4G wireless transmission and positioning enabled).

★ Utilizes digital sensors; each sensor is hot-swappable, intelligently recognized, and "plug-and-play"—requiring no calibration—and can be inserted into any sensor slot position.

★ Any individual sensor can be enabled or disabled via the instrument's settings menu.

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

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

★ 4-button operation interface with a quick one-touch calibration function.

★ 2-inch LCD display (HD color screen option available).

★ Data storage capability with a capacity of over 1 million data entries.

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

★ Optional Wireless Connectivity: Supports 4G, Wi-Fi, LoRa, Bluetooth, and other wireless transmission methods.

★ Includes a wireless signal strength indicator display.

★ Optional BeiDou (BDS) positioning functionality; supports data upload to a cloud platform, wireless interconnection between multiple devices, remote monitoring via mobile apps, and remote alarm notifications delivered via phone calls, SMS, or WeChat.

★ Supports remote maintenance and remote firmware upgrades.

★ Supports fall detection alarms, one-touch SOS emergency calls (motion-based alarms and active distress signals), and a "Snooze" function.

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

★ Displays maximum, minimum, and weighted average values; features real-time curve graphs, bar charts, and list-based data displays.

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

★ Multiple alarm methods and modes available; supports the configuration of multiple alarm thresholds and the ability to disable alarms.

Alarm Methods: Audible & Visual Alarms, Vibration Alarms.

Alarm Types: Concentration Alarms, Low Battery Alarms, Fault Alarms, Fall Detection Alarms, SOS Alarms (Motion-based Alarms).

Alarm Modes: Low-level Alarms, High-level Alarms, Range Alarms, TWA/STEL Alarms.

★ Accidental Operation Detection/Prevention function.

★ Automatic Zero-point Tracking.

★ Multi-point Calibration (Target-point Calibration). ★ Intrinsically safe circuit design; explosion-proof, vibration-resistant, anti-static, and radiation-resistant.

★ Protection Rating: IP68 (1.5 meters for 30 minutes).

★ 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*

Dimensional Drawing of the BTYQ-MS104K-S2 Portable 2-in-1 Gas Detector:

Black-and-White Screen Color Screen

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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Professional engineers provide installation, training and expansion support

19+ Years of Industry-leading Brand

Eranntian, founded in 2006, is a national high-tech enterprise integrating design, R&D, production and sales. Our R&D team includes over 30 senior engineers with strong development capabilities, investing over 17% of annual revenue in technological innovation. We maintain long-term collaborations with 14 universities including Tsinghua University, Sichuan University, Xi'an Jiaotong University, Qingdao University of Technology, and Central South University.