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What is the CM4000T CVMT latest firmware version and how to upgrade it using DLF-3000 utility?

Product Line
CM4000
CVMT
CM4000T

Cause
Upgrading the firmware for CVMT and CM4000T series meter. 

Environment
CM4000T
CVMT firmware upgrade. 

Resolution
*Warning: The firmware utilities listed here can cause permanent damage to your product if applied incorrectly. Before downloading any firmware updates, verify the firmware you are downloading is appropriate for the specific model number of your product. If you have any doubts, contact Technical Support for guidance. 

*Warning: Be sure all other software, is not connected to the meter.*


The latest version of CVMT firmware is OS_11210. It, plus the latest version of the DLF-3000 utility, which is used to upgrade the CM4000T's firmware, can be found inside of FA237920. This article also as detailed examples of using DLF-3000

Note:  Verify the CM4000 meter has latest firmware version before upgrading the CVMT firmware. 

Steps to follow when upgrading the CM4000 meter firmware: 

  1. Using DLF-3000, download DL to the device
  2. Download latest OS for CM4000 series meter
  3. Download Language Library (LL) if necessary
  4. After the download is completed, you will see the meter resetting.
  5. You can verify the new firmware version selecting Diagnostics -> Meter Information from the main menu of the display.
  6. Once the CM4000 meter is upgraded with latest firmware, then download latest OS_11210 for CVMT using DLF-3000 utility. 
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