MadgeTech pHTemp2000 Data Logger - Manual (Page 18)

Data Logger Manual
Page 17
It is important to keep your device properly calibrated to
ensure accurate readings.
5.5.iii.d Device Version
Pressing the F4 key while viewing the Maximum or Minimum Device
Range screens will display the Device Version screen, containing
information such as firmware revision number and communications
baud rate. Values on this screen cannot be modified.
5.5.iii.e Firmware Version
Firmware details can be viewed by pressing the F2 key while viewing
the Device Version screens. These details include the firmware version
number, date and time of firmware creation, and checksum.