Hygrothermograph records temperature, humidity and dew point with user-selectable chart rotation speeds. Data is digitally displayed and graphed on 6in (152mm) circular chart paper. Includes combination temperature/ humidity sensor and sixty assorted charts. Operates on standard AC power supplies, with 48 hours of battery backup with eight AA alkaline batteries (not included). Order BCL-790-12 for a package of sixty 7-day, 40°-110°F temperature charts.
Temperature Range: -40° to 130°F (-40° to 55°C)
Humidity Range: 0 to 100%RH Non-Condensing at 32° to 130°F
Division: 2°F Temperature, 2.5% RH
Accuracy: ±2°F (1°C), ±2% Humidity
Dimensions: 7.3x2.8x9.3in (190x75x250mm), WxDxH.