Portable Diffusion-Type 4-Gas Multi Gas Detector (CO, O2, H2S, CH4/LEL) for Mining Use
**Applications:**
The CD4 portable multi-gas detector is an intrinsically safe and explosion-proof device designed to detect various hazardous gases. It can simultaneously monitor up to four atmospheric hazards: carbon monoxide (CO), oxygen (O2), combustible gas (in %LEL), and hydrogen sulfide (H2S). Compact and lightweight, the CD4 activates audible, visual, and vibrating alarms when low or high gas levels are detected. This versatile and reliable instrument offers unmatched value in safety monitoring. Its water-resistant design has made it a popular choice in the market due to its comprehensive features. The CD4 is primarily used in underground coal mines and mine safety inspections but is also widely applied in firefighting, confined spaces, chemical industries, oil sectors, and any environment where hazardous and toxic gases need to be measured.
**Technical Specifications:**
- **Sensor:** Catalytic Combustion Sensor (Combustible Gas); Electrochemical Sensors (CO, O2, H2S)
- **Gas Measurement:** Combustible Gas (CH4), Carbon Monoxide (CO), Oxygen (O2), Hydrogen Sulfide (H2S)
- **Measurement Range:**
- CH4: 0–4.00% (v/v); Combustible Gas: 0–100% LEL
- O2: 0–30.0% VOL
- CO: 0–1000 ppm
- H2S: 0–100 ppm
- **Accuracy:**
- CH4: ±10% (1% LEL)
- O2: ±0.7% VOL
- CO: ±5%
- H2S: ±5%
- **Resolution:**
- CH4: 0.1% CH4 (1% LEL)
- O2: 0.1% VOL
- CO: 1 ppm
- H2S: 1 ppm
- **Alarms:** Visual, Audible (75 dB)
- **Battery Life:** ≥10 Hours
- **Explosion Protection:** Exibd I
- **Protection Grade:** IP54
- **Dimensions:** 105 (L) × 56 (W) × 28 (H) mm
- **Weight:** 250g
**Accessories Included:**
- Battery
- Carrying Case
- Operating Guidebook
This compact and durable multi-gas detector is ideal for professionals who require real-time gas monitoring in harsh environments. Its intuitive interface and robust design make it a trusted tool in mining, industrial, and emergency response settings. Whether you're working in a coal mine, chemical plant, or confined space, the CD4 ensures accurate and reliable detection of multiple gases, helping to prevent accidents and protect workers' safety.
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