Portable Battery Operated Multi-Gas Detectors
With simultaneous detection of oxygen, combustible gas, and toxic gases such as CO and H₂S, these devices warn your team before one-wrong-step becomes a disaster
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What is a Portable Battery Operated Multi-Gas Detector?
A Portable Battery Operated Multi-Gas Detector is a handheld safety instrument designed to continuously monitor the presence of multiple hazardous gases in the surrounding air. It runs on a rechargeable or replaceable battery, allowing users to carry it easily into confined spaces, industrial sites, or emergency response areas where gas leaks may pose a threat.
These detectors can simultaneously measure several gases such as oxygen (O₂), carbon monoxide (CO), hydrogen sulfide (H₂S), and combustible gases (LEL or CH₄). By alerting users with audible, visual, and vibration alarms when dangerous concentrations are detected, the device helps prevent exposure, explosions, and oxygen deficiency accidents.
This Portable Gas Detector is an intrinsically safe, high-performance multi-gas clip device designed for continuous gas leak monitoring in explosion-prone environments such as underground tunnels, pipelines, and confined spaces. This rugged, battery-operated detector helps safeguard workers and equipment by detecting methane (CH₄), carbon monoxide (CO), oxygen (O₂), and hydrogen sulfide (H₂S) simultaneously.
Using natural diffusion sampling, this ensures accurate detection without the need for a pump. It employs high-quality, precision gas sensors for excellent sensitivity, repeatability, and reliability. The embedded microcomputer control system allows for fast response, simple operation, and stable performance under demanding industrial conditions.
Key Features
- 4-Gas Detection: CH₄, CO, O₂, and H₂S
- Multiple Alarms: Visual, audible, vibration, under-voltage, fault, fall, and SOS (one-button call for help)
- Wireless Connectivity: Supports 4G, LoRa, Bluetooth, infrared, Beidou GPRS positioning, and same-machine interconnection
- User-Friendly Design: Compact and ergonomic with LCD display for real-time readings of gas concentration, alarm, battery, and communication status
- Durable Construction: High-strength engineering plastic housing with anti-slip rubber coating; waterproof, dustproof, explosion-proof, anti-vibration, anti-static, and resistant to electromagnetic interference
- Smart Calibration: Multi-level calibration, automatic zero tracking, and factory reset protection against calibration errors
- Large Data Storage: Can store up to 100,000 records with adjustable time intervals
- Convenient Charging: Equipped with a Type-C charging port
Technical Specifications
Detected Gases: Methane (CH₄), Oxygen (O₂), Carbon Monoxide (CO), Hydrogen Sulfide (H₂S)
Sampling Method: Natural diffusion
Display: LCD
Working Voltage: DC 3.7V
Operating Temperature: 0°C – 40°C
Relative Humidity: <93%
Dimensions: 120 mm × 56 mm × 30 mm
Weight: ~1.1 kg
Having trouble selecting the best instrument for your application?
Here’s a guide to help you choose the right instrument for your industry. You may also reach out to our technical team for expert guidance tailored to your specific process needs.


