Digi-Sense®'s compact, hand-held Model WD-20250-21 thermohygrometer provides accurate measurements of wet bulb, dew point, humidity, and temperature readings for a wide range of applications and environments. This model’s ergonomic design and portability allow easy, one-handed operation. Meters offer quick mode selection, large backlit LCD displays of accurate temperature, dew point, and wet bulb readings. Units are ideal for usage in warehouses, storage areas, factories, HVAC, IAQ, and cleanrooms. Digi-Sense@reg;'s easy-to-use quick read-out is essential for inspections and spot checks. Meters are pre-calibrated to NIST-traceable standards* and ready to use.