FORENSICS DETECTORS FD 4 Gas Monitor | O2, CO, H2S, LEL | Yellow

This USA NIST calibrated 4-gas monitor from Forensics Detectors features high-quality electrochemical sensors for Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S), and Combustibles (LEL). It offers detection accuracy better than ±5% F.S. with a response time under 30 seconds. Adjustable audio, visual, and vibration alarms alert you when preset levels are reached, complete with an alarm digital time stamp. The monitor boasts a robust, waterproof, dust-proof, and explosion-proof design constructed from high-strength ABS with an anti-slip grip rubber. It comes with a 1-year limited warranty, calibration and QA certificate, and undergoes 100% product testing and verification in the USA.