
High Precision 4-20mA Combustible Fixed Gas Alarm Analyzer Gas Detector. Multi-Gas Detection: Detects up to 4 gases simultaneously including CO, O2, H2S, and combustible gases. Flexible Gas Customization: Supports customized gas types and measuring ranges beyond standard options. Dual Protocol Support: Offers optional 4-20mA analog and RS485 digital output signals. Infrared Remote Control: Allows calibration and adjustment without opening the detector cover. High Precision Resolution: Resolution up to 0.1% LEL or 0.1 PPM for accurate monitoring. Robust Explosion-Proof Design: Certified Exd II CT6 explosion-proof mark for safe industrial use. Self-Check & Compensation: Features sensor fault self-check, auto zero correction, and temperature compensation. Wide Application Scope: Suitable for chemical plants, mines, oil refineries, and pharmaceutical facilities.