Por un escritor de hombre misterioso
This a carbon dioxide meter. This is perfect as a carbon dioxide analyzer when CO2 required to be monitored from 0-100% volume. A simple handheld unit
Carbon Dioxide Meter | 0 - 100% | USA NIST Calibration
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COA2 - CARBON MONOXIDE DETECTOR W/ WIRELESS CAPABILITIES
เครื่องวัดก๊าซ Carbon Monoxide Detector รุ่น TKG-CO