Testo 650, reference humidity measuring instrument, readings memory included (up to 500,000 readings), battery, Li cell and calibration protocol

  Special advantage: automatic correction of absolute pressure for accurate measurements. aw value measurement with trend display and automatic recognition of equilibrium.
  Clear graphics display
  3 user defined function buttons
  Saves or prints at the touch of a button
  Mains connection/fast recharging
  Attachable printer (optional)
  Print readings in seconds on site
  Data communication by PC
  Barcode pen (optional)
  User-friendly operation with cursor via menu structure
  2 user defined probe sockets, automatic recognition of all connected probes