Product Introduction
The Portable Voice-Guided Quadruple Gas Detector is a safety device capable of continuously monitoring leaked gas concentrations. Employing advanced integrated circuit technology, embedded microcomputer control and premium imported gas sensors, it delivers exceptional sensitivity and outstanding repeatability.
It features a dot-matrix LCD display with both Chinese and English interfaces, along with voice prompts in both languages, so users can quickly become familiar with the product, ensuring straightforward operation and maintenance. The housing is constructed from high-strength engineering plastic, offering excellent shock resistance and durability. Its premium, robust design incorporates dustproof, waterproof and explosion-proof capabilities.
Product features
Technical Specifications
| Gas Type | Range | Low Alarm | High Alarm | Resolution |
| EX | 0–100 %LEL | 20 %LEL | 50 %LEL | 1 %LEL |
| H₂S | 0–100 ppm | 10 ppm | 20 ppm | 1 ppm |
| CO | 0–1000 ppm | 50 ppm | 200 ppm | 1 ppm |
| O₂ | 0–30 %VOL | 19.5 %VOL | 23.5 %VOL | 0.1 %VOL |
| For other gas combinations, please contact us. | ||||
| Display Error | ≤ ±5% FS | |||
| Response Time | T < 30 s | |||
| Method of Indication | LCD display of real-time data and system status, with visual alerts, vibration feedback and recorded voice prompts (in both Chinese and English) | |||
| Working Environment | Temperature: -20°C to 50°C; Humidity: < 95% RH (non-condensing) | |||
| Operating Voltage | DC 3.7 V (lithium battery capacity: 2000 mAh) | |||
| Charging Time | 4–6 hours | |||
| Standby Mode | Can be used continuously for more than 10 hours on a full charge | |||
| Sensor Life | 2 years | |||
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, wastewater treatment and other places.
