Regarding repair support for the measurement unit M series

The measurement unit described below is an electronic circuit that uses transistors and C-MOS, and it is difficult to obtain parts, so we cannot undertake repairs at this time.
Please consider updating to the latest measurement unit at this opportunity.

Target measurement Units: M270, M277, M286, M288, M293, M339, M341, M402, M404, M406, M408, M409, M423, M470, M480

Balancing Lab. Development support