HAL-HCO 202 handheld carbon dioxide meter
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HAL-HCO 202 handheld carbon dioxide meter makes it easy to take quick and accurate measurement of CO2 levels. Featuring the dual-beam, non-dispersive infrared (NDIR) absorption gas sensor technology, the HCO 202 has a wide measuring range and quick response to ambient changes in carbon dioxide concentration with long-term stability and durability.