
New 4-in-1 Gas Detector High Precision Detection of H2s O2 Co Lel Hanwei Portable Biogas Methane Multi Gas Detector. Multi-Gas Detection: Simultaneously detects 1-5 gases including H2S, O2, CO, and LEL using Infrared, Electrochemical, or PID sensors. Dual Sampling Methods: Supports natural diffusion and built-in pump suction (E410P) for daily inspections and confined spaces. Wireless Remote Monitoring: Optional Bluetooth and 4G connectivity allows real-time monitoring via mobile app for enhanced safety. Durable & Portable Design: Compact size (122.5x68x30.5mm) fits one hand; IP67/IP66 ingress protection for rugged environments. 5-Year O2 Sensor Life: Features a long-life O2 sensor with a 5-year service life to reduce leakage risks and maintenance costs. Advanced Temperature Compensation: Automatic algorithm compensates for sensor temperature changes to improve detection accuracy and reliability. User-Friendly Interface: 2.5-inch high-brightness LCD screen with simple 4-button logic for intuitive operation and learning.