$2403.00
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KORNO NBC500-YH-CO-IR Infrared CO Detector 0-2000ppm
InfraredCarbon monoxide CO0~2000ppmcirculationcirculation
There may be hydrogen interference in the workshop environment, and the chemical CO detector will detect 500ppm of CO when confirming that there is no CO; you need to find an online detector that resists hydrogen interference
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