Minimum firmware version

The eGauge JSON-based WebAPI was introduced in meter firmware v4.2. However, it is recommended to use the most recent meter firmware as there have been multiple bug fixes and features added, as there may continue to be in the future. Any features that require a minimum firmware version will be marked with the required version as shown in the example below: 

Checking and upgrading firmware

Meter firmware upgrades are designed to be easy and require just a few mouse clicks, no searching for model numbers or having to download files or software! For information about checking and upgrading the meter's firmware, please see this article.