Product Introduction:Vaisala HUMICAPâ Technology HM70, equipped with HUMICAPâ sensors, is one of the reliable and stable humidity sensors on the market. The HUMICAPâ humidity sensors effectively handle chemical interference and provide excellent accuracy under harsh conditions. Chemicals Cleaning Function The chemicals cleaning option maintains measurement precision in environments with high chemical concentrations. The sensor preheating option shortens measurement delay as it keeps the sensor dry when the probe is inserted into a moist and hot process. Three available humidity probes The HMP75 is a general-purpose probe, the HMP76 is a slender stainless steel probe suitable for pipeline spot checks. The HMP77 is a compact probe mounted at the end of a 5-meter cable, suitable for hard-to-reach areas.