DTS B004(H) 4 IN 1 Portable Gas Detector - Henan Duotesi Electronic Technology Co., Ltd.

Product Introduction

The portable multi-parameter gas analyzer is designed for continuous monitoring of toxic, harmful, and explosive gases in environments such as metal mines, coal mines, metallurgical smelting, petrochemical plants, municipal fire safety, emergency rescue operations, tunnel construction, and gas and power facilities. When gas concentrations exceed safety thresholds, it automatically triggers multiple alarm systems including audible alerts, visual indicators, vibration alerts, and light bar displays. The device is portable for field personnel, management staff, professionals, mobile teams, and coal mine ventilation specialists, while also supporting fixed installations in these environments. Featuring explosion-proof design with both intrinsically safe and flameproof certifications, the instrument delivers user-friendly operation, convenient portability, and high-precision performance.

Product Features

Excellent sensitivity and repeatability with high precision sensors;

TFT colorful LCD display, clear screen;

Sound, light, vibration and other alarm method

RTC(Real_Time Clock) function;

Battery Indicator, Under Voltage Indicator, Charging reminder;

The calibration point can be freely adjusted, making it convenientfor users calibrate

Gas data recording and storage function;

Technical Specifications

Technical Index
Product model	DTS-B004(H)
Measuring method	Natural diffusion or pump suction
Measuring gas	Methane (CH4) Catalytic / infrared optional	Oxygen (O2)	Carbon monoxide (CO)	Hydrogen sulfide (H2S)
Measuring range	0.0~0~4.00%VOL 0.00~10.00%VOL 0.00 100.00%VOL	0.0~25.0%VOL	0-1000PPM	0.00~.100PPM
Resolution	0.01%VOL	0.1%VOL	1PPM	1PPM
Response time	≤20s	≤35s	≤45s	≤30s
Alarm point setting	Full range adjustable
Power supply	3.7V Rechargeable Lithium Manganese Oxide Battery for Mine Use
Temperature and humidity	Temperature: -10℃~40℃ Humidity: ≤90%RH(No condensation)
Dimensions and weight	117mm×65mm×33mm ≈250g (diffusion) 133mm×65mm×55mm≈288g (pump-suction)
Standard configuration	Gas detector1, charger1(Including one charging cable), Calibration cover1, instructions1,

Note: Any four of the following gas combinations can be customized according to customer requirements: Methane (CH4), Oxygen (O2), LEL, Carbon Monoxide (CO), Hydrogen Sulfide (H2S), Carbon Dioxide (CO2), Hydrogen (H2),Ammonia (NH3), Nitrogen Dioxide (NO2), Sulphur Dioxide (SO2), Chlorine (CL2), Organic Volatile Oxygen Compounds (TVOC), and others.

Application Fields

On-site detection in metal mines, coal mines, petrochemical plants, metallurgical processing, coking, gas and power industries, emergency rescue, municipal fire protection, environmental monitoring, tunnel operations and wastewater treatment and other places

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