SQM-LR : RS232 connected Sky Quality Meter
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Information and software
SQM-LR_Users_manual.pdf Operators manual
  • This manual contains the setup instructions for the unit as well as the communication protocol definition.
UDM for Windows:
Unihedron Device Manager (UDM)

Use this software to:
  • Access the data-logging features of the SQM device attached to your computer.
  • Read version information.
  • Request a reading from the SQM.
  • Read and set calibration data.
  • Read and change the interval reporting settings.
  • Install new firmware.
The operating instructions for UDM are included in the User's manual for the meter.
UDM for Linux:
UDM for Mac OS X
  • Open dmg file.
  • Then drag app to the /Applications directory.
UDM: source code
Programming langauge: Lazarus/Freepascal

Sqm3Setup.exe SQM-Reader by Knightware 
  • Windows software by Knightware to read SQM-LE/LU/LR/DL devices.
  • Check www.knightware.biz for latest version as well as SQM-Reader-Pro which has many more features.

Software examples
Utilities
Perl scripts