Industrial Air Monitor Featuring Multi Gas Detection and Intrinsically Safe Design for in Coal and Metal Mining Environments
Product Description:
The MR-A Portable Air Quality Monitor is a specialized mining safety instrument designed for underground and surface mining operations atmospheric monitoring. This robust handheld device provides comprehensive detection of mining-related atmospheric hazards including methane, carbon monoxide, nitrogen dioxide, sulfur dioxide, and combustible dust, enabling mine safety officers to maintain safe working conditions and prevent catastrophic incidents.
The system features intrinsically safe design certified for use in explosive atmospheres commonly encountered in coal and metal mining operations, with specialized sensors optimized for detection of both toxic gases and explosive gas mixtures. Its rugged construction withstands the extreme physical and environmental conditions of mining environments, including high humidity, temperature variations, and mechanical shock. The device's extended battery life supports continuous monitoring throughout extended underground shifts, while its clear visual and audible alarms provide immediate warning of hazardous conditions even in noisy mining environments.![]()
Features:
· Intrinsically safe design for explosive atmospheres (Ex ia IIC T4 Ga)
· Methane detection with LEL monitoring for explosion prevention
· Multi-gas detection optimized for mining environments
· Combustible dust monitoring with concentration tracking
· Ruggedized construction for mining durability
· Extended battery operation for underground shifts
· High-intensity visual alarms for low-visibility conditions
· Loud audible alarms for noisy mining environments
· Quick sensor response for rapid hazard detection
· Data logging for safety record compliance
· Backlit display for underground operation
· Vibration-resistant for equipment mounting
Technical Parameters:
| Parameter | Measurement Range | Resolution | Accuracy | Detection Method |
| CH4 | 0-100% LEL | 1% LEL | ±3% LEL | Catalytic |
| CO | 0-1000 ppm | 1 ppm | ±3% | Electrochemical |
| NO2 | 0-100 ppm | 0.1 ppm | ±3% | Electrochemical |
| SO2 | 0-100 ppm | 0.1 ppm | ±3% | Electrochemical |
| H2S | 0-100 ppm | 0.1 ppm | ±3% | Electrochemical |
| O2 | 0-25% vol | 0.1% vol | ±1% vol | Electrochemical |
| Combustible Dust | 0-500 mg/m³ | 1 mg/m³ | ±15% | Optical |
| Temperature | -10°C to +50°C | 0.1°C | ±0.5°C | RTD |
| Humidity | 5-100% RH | 1% RH | ±3% RH | Capacitive |
| Battery Life | 20+ hours | - | - | Lithium-ion |
| Safety Rating | Ex ia IIC T4 Ga | - | - | ATEX/IECEx |
Applications:
· Underground mine atmospheric monitoring
· Surface mining dust and gas surveillance
· Methane explosion prevention monitoring
· Mine rescue operations air quality assessment
· Blasting operations fume monitoring
· Ventilation system effectiveness verification
· Worker exposure assessment and protection
· Mine safety compliance monitoring
· Emergency evacuation air quality verification
· Post-blasting re-entry atmospheric assessment