Application Features:
1. Non-Invasive Laser Sensing
• 0.5-30m open-path detection for goaf/blind lane monitoring
• Class IIIR green laser visualizes gas plumes in low-light conditions
2. Instant Response & Harsh Environment Resilience
• Subsecond T90 response time captures methane spikes
• IP65 rating with optical path compensation for high humidity /dust
3. Intrinsic Safety Design
• Ex ia I Ma certification for explosive methane atmospheres
• Ergonomic mobile configuration suits rescue operations
4. Dual-Mode Power Management
• 4hr continuous alarm & 8hr standard operation
• Dedicated charging dock for fast energy replenishment
Areas of Application:
1. Mining Face Gas Monitoring
• Real-time CH₄ fluctuation tracking at shearer drums/roadheader cutterheads
• Mobile inspection along conveyors/rail tracks to pinpoint gas leakage
2. Sealed Zone Access Control
• Non-contact detection through cracks/vents in sealed roadway doors
• Pre-entry remote scanning for methane hotspots in abandoned faces
3. Ventilation System Validation
• CH₄ gradient analysis across airlock doors/air crossings
• Multi-point laser scanning identifies stagnant gas zones
4. Post-Disaster Assessment
• Remote gas dispersion mapping after outbursts/explosions
• Dynamic concentration analysis for safe rescue route planning
5. Equipment Maintenance Safety
• Non-contact methane screening before live electrical maintenance
• Continuous monitoring during welding to prevent ignition
Certifications:
Explosion Protection
• China Ex:
-Ex ia I Ma
Functional Safety
• China Mining Safety
-MA (Coal Mine)
Specification：
| Equipment Functions | Handheld Methane Leak Locator |
| Laser Ranging | |
| Triple Warning (Beep/Flash/Buzz) | |
| Sampling Method | Open Path |
| Path Lengths | 0.5-30m |
| Measuring Range | 1-30m |
| Measuring Range | 0-100,000 ppm·m |
| Accuracy | True value ±20% @Standard reflective surface |
| Response Time (T90) | < 1S |
| Display Type | Color LCD |
| Environmental Parameters | |
| • Operating Temperature | -10-50℃ |
| • Storage Temperature | -40-60℃ |
| • Operating Humidity | ≤98% |
| • Operating Pressure | 80kPa-116kPa |
| Power Specifications | |
| • Endurance | Normal operation > 5h |
| Full load operation > 3h (Continuous sound and light alarm) |
|
| • Charging Method | Charging Dock |
| • Internal Battery | Built-in Lithium Manganate Battery |
| Laser Safety Classification | |
| • Detection Beam | CLASS I |
| • Alignment Beam | CLASS IIIR |
| • Ranging Beam | CLASS II |
| Mechanical Construction | |
| • Shell Material | ABS+PC |
| • Ingress Protection | IP65 |
| • Weight | 420g |
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