645 Two Channel Hygrometer Indicator / Logger - OVERVIEW

******** The Model 645 Two Channel Hygrometer Indicator/Logger is No Longer Manufactured ********   

SensorPros recommends the  "E+E - OMNIPORT30 Multifunctional Handheld Indicator" as its direct replacement.

645 Two Channel Hygrometer Indicator / Logger - OVERVIEW 
by Edgetech Instruments


Features:

  • ±1%, 10 - 90%RH, ±2% remaining range
  • Internal data memory
  • Convenient data analysis
  • Storage Temperature -4° to 158 °F / -20 to +70 °C
  • Weight 9 oz. / 255 g
  • Dimensions 8 x 3 x 2 in. / 215 x 68 x 47 mm
  • Operating Temperature 32° to 122 °F / 0 to +50 °C
  • Housing ABS
  • Number of Channels 2
  • Battery Type 9V