Extech RH520B Humidity + Temperature Chart Recorder

Extech RH520B Humidity + Temperature Chart Recorder provides a simultaneous digital/graphical display of %RH and temperature or dew point as well as date/time and min/max values. This paperless chart recorder uses free PC-based software for data transfer to a PC and to graph %RH, temperature, dew point, wet bulb, and grains per pound (GPP) or g/kg. The internal memory records up to 49,000 data points and can be transferred to a PC for further data analysis. Extech RH520B Humidity + Temperature Chart Recorder features large dual graphical LCDs with adjustable vertical and horizontal TAC resolution. Audible and visual high/low alarm limits can be set for humidity and temperature. A detachable probe extends up to 1m for measurements in closed environments, and the replaceable probe does not require recalibration. 

The RH520B is ideal for a variety of applications, including buildings and conference rooms, laboratories, pharmaceuticals, cleanrooms, hospitals, food storage facilities, refrigeration, hydroponics, and greenhouses.

Features

  • Simultaneous numerical and graphical display of humidity and temperature or dew point readings, plus time and date
  • Measures humidity and temperature
  • Calculates/plots dew point, wet bulb, and GPP with the included software
  • Large dual graphical LCD displays with adjustable vertical and horizontal TAC resolution
  • Internal memory records up to 49,000 data points and can be transferred to a PC for further data analysis
  • LCD indicates the percentage of memory remaining
  • Detachable probe extends up to 1m for measurements in closed environments
  • Replaceable probe does not require recalibration
  • Audible and visual alarm with high/low setpoints
  • Scroll the cursor to display selected data recorded
  • Desk or wall mount
  • Comes with universal AC adaptor with multiple plugs (US, EU, UK, AUS), built-in stand, detachable probe with 1m (3ft) cable, RS-232 cable, RS-232 to USB adaptor, and 3 AA batteries
  • PC software can be downloaded from the Extech web site

Applications

  • Buildings and conference rooms
  • Laboratories, pharmaceutical, cleanrooms, hospitals
  • Food storage facilities, refrigeration
  • Hydroponics and greenhouses

Extech RH520B Humidity + Temperature Chart Recorder