MeterGrapher Software Package

Logging and analysis of compressed air flows is essential for good management. MeterGrapher provides a simple, flexible, cost-effective solution on your PC.

Latest version available – 2.29. See MeterGrapherReadMe for details and box below right for a summary.

System requirements – Modern PC with spare USB port and/or Ethernet connection to a router.

With MeterGrapher you can:

  • Link up to 250 meters to your PC using ZigBee wireless, COM/USB or Ethernet adapters.
  • Log CDI flow and pressure meters, and optionally any other devices that use the Modbus protocol
  • Describe the meter configuration, including lower and upper limits.
  • Log values at any interval down to 200ms per meter.
  • Monitor meter status (Values in limits or out of limits, no limits set, no data from meter)
  • Retain historical values
  • Use powerful built-in graphing capabilities for analysis and decision support
  • Export data to other logging systems
  • Auto-start logging on PC restart
  • Renumber CDI meters
  • Use pre-formatted Excel workbooks for further data analysis
  • Set up notification to a mobile phone when alarm conditions arise
  • Adjust parity and stop bits to match system settings

Please look at the User Docs.
MeterGrapher is feature-rich and you will get the best out of it if you know what it can do!

If you wish to log non-CDI devices contact CDI Meters Inc.

DownloadsUser Documents

MeterGrapher version 2.29 release

For the full release history see MeterGrapherReadMe

  • Averaging of logged values – in the Chart Form.
    Applied to all meters in the plot.
    Logging interval and the saving of log data is unaffected.
    Averaging works when Graphing Old Logs, and during logging.
    See the ReadMe for more details
  • Minor bug fixes, including correction of formatting errors on the Chart Form.

If you are using V2.24 or later this update is fully backward-compatible.

If updating from a version earlier than V2.24,  and you have been logging non-CDI meters, please contact CDI ( before installing this update!