"The Delmhorst Thermo-Hygrometer, offered by Seedburo Equipment Company, is an effective way to control the effects of humidity and temperature in a variety of locations such as seed storage rooms, walk in germinators or coolers, or grain drying rooms. The HT-3000 displays relative humidity from 0-100% with a +\/- 3% accuracy and temperature from -4º F to 140º F (-20º C to 60º C) with up to +\/-1º accuracy. Dew point range is -40º F to 176º F (-40º C to 80º C). The HT-3000 has a quick response time, selectable display screens, data hold feature, graphic display with backlight, auto power down when the unit has been idle and hard rugged case. Actual dims. 3\" L x 1¾\" W x 7\" H. Ship dims 13\" L x 10\" W x 7\" H. Actual wt. 0.5 lbs. Ship wt. 3 lbs."