Overview
Enviro Testers’s Portable 4-Gas Detector for Confined Space Safety is a crucial tool for ensuring worker protection in hazardous environments. This device simultaneously detects four critical gases: combustible gas (methane), oxygen (O₂), carbon monoxide (CO), and hydrogen sulfide (H₂S). It utilizes reliable detection principles, including electrochemistry for toxic gases and oxygen, and catalytic combustion for combustible gases like methane.
Features
- 4-in-1 Gas Monitoring: Simultaneously detects four key gases: Combustible Gas (LEL), Oxygen (O₂), Hydrogen Sulfide (H₂S), and Carbon Monoxide (CO).
- Triple Alarm System: Provides comprehensive alerts through Vibration, Sound, and a bright Light, ensuring warnings are unmissable.
- Long Battery Life: Equipped with a rechargeable 1300mAh lithium battery that offers over 8 hours of continuous working time.
- Clear Digital Display: Features an LED screen for at-a-glance readings of real-time gas concentrations.
Application
Designed for a variety of demanding work environments, it is especially suitable for ensuring safety in mines, cave exploration, and any industrial confined spaces where hazardous gases may be present.
Technical specifications
| Parameter | Value |
| Performance | |
| Product Type | Portable Multi Gas Detector |
| Detection Principle | Electrochemistry (O₂, CO, H₂S), Catalytic Combustion (Methane) |
| Alarm Type | Vibration + Sound + Light |
| Display | LED Digital Display |
| Accuracy | ±3% F.S |
| Response Time | T90 Less than 30S |
| Preheating Time | 90S |
| Detection Ranges & Resolution | |
| Oxygen (O₂) | Range: 0 to 30% VOL, Resolution: 0.1% VOL |
| Carbon Monoxide (CO) | Range: 0 to 500 ppm, Resolution: 1 ppm |
| Methane (Combustible) | Range: 0 to 100% LEL, Resolution: 1% LEL |
| Hydrogen Sulfide (H₂S) | Range: 0 to 100 ppm, Resolution: 1 ppm |
| Electrical Characteristics | |
| Power Supply | Rechargeable 1300 mAh Lithium Battery |
| Charger | USB Power Supply DC5V |
| Power Consumption | < 0.7W |
| Working Time | > 8 hours (at room temperature, no alarm) |
| Charging Time | ≤ 8 hours |
| Use Environment | |
| Material | PC + TPU |
| Protection Level | IP64 (Dustproof, waterproof) |
| Explosion Level | Exib IIB Gb |
| Working Pressure | 86 kPa to 106 kPa |
| Working Humidity | 10 to 95% RH (non-condensing) |
| Working Temperature | 14 °F to 122 °F (-10 °C to 50 °C) |
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