The purpose of this article is to list the maximum memory size of the Micro SDHC card for the Fluke-1773, 1775 and 1777.
The Fluke-1773, 1775, and 1777 have an internal memory of 8GB but if you want to increase the memory you have the option of installing a Micro SD card of up to 128GB. When you plug the Micro SD card into the meter it will automatically use the Micro SD card instead of the internal memory.