SQM-LU-DL : USB connected Sky Quality Meter with data-logger
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Information and software
SQM-LU-DL_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)

Users manual

Use this software to:
  • Access the data-logging features of the SQM-LU-DL device attached to your computer.
  • Read version information.
  • Request a reading from the SQM-LU-DL.
  • Read and set calibration data.
  • Read and change the interval reporting settings.
  • Install new firmware.

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
Firmware files Firmware updates
  • These firmware files are to be used by UDM (see above).
  • See the operators manual for firmware revision history.
SQMReader1320.zip SQM-Reader by Knightware 
  • Windows software by Knightware to read SQM-LE/LU/LR devices, but does not access the data-logging features of the SQM-LU-DL.
  • Check www.knightware.biz for latest version as well as SQM-Reader-Pro which has many more features.

Software examples
sqmlu-mac.pl
Perl script to read and log SQM-LU data