
Pump Ex Alarm Leak Monitor Meter Lel Combustible Gas Detector. High Precision Sensor: Employs original imported high precision sensor for accurate detection. Adjustable Pump Sampling: Built-in micro sampling pump with 10 adjustable suction grades up to 1L/min. Multi-Language Support: Supports Chinese and English operation with quick unit shifting. Dual-Stage Alarm: Features sound, light, and vibration alarms with settable points. Robust Protection: IP66 waterproof, dust-proof, and anti-skipping housing with explosion-proof rating. Long Battery Life: Rechargeable lithium polymer battery offers up to 100 hours of operation. Temperature Compensation: Realizes gas concentration compensation under varying temperature and pressure. Factory Reset Function: One-press restoration to factory settings prevents mis-operation errors.