Four Gas Monitor, confined space detector features simultaneous detection of LEL, O2, H2S & CO. World's smallest and lightest portable multigas Detector. RKI's high quality safety instrument.
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EX LEL Gas Detector by Forensics | Wall Mount Industrial Grade | Continuous Monitoring | USA NIST traceable Calibration | Adjustable Sound & Light Alarms | Relay Output | 0-100% LEL | - Amazon.com