This hot-selling portable digital dew point meter is a 4-in-1 environmental tester measuring ambient temperature, relative humidity, dew point and wet bulb temperature simultaneously, with measuring range from -20℃ to +70℃ and 0-100%RH humidity.

Adopting high-precision polymer humidity sensor with 2-second fast response, it supports ℃/℉ conversion, MAX/MIN value memory, data hold and customizable dew point threshold audible alarm. Backlit LCD screen ensures clear reading in dark environments, built-in rechargeable lithium battery with Type-C charging delivers 8 hours continuous working time, auto power-off after 15 minutes idle to save power.

Made of anti-slip ABS housing with IP40 dustproof grade, compact pocket size for field inspection. Widely used for HVAC debugging, food warehouse, cold storage, greenhouse planting and compressed air drying quality monitoring.