SOLSTAT Hi-Meg ultra-high impedance strain gauge integrity tester

Hi-Meg ... Ultra-high Impedance Strain Gauge Integrity Tester
SOLSTAT's ultra-high impedance, low voltage Strain Gauge Integrity Tester
Packaged in an attractive instrumentation case, this unit was custom designed as a dedicated Strain Gauge integrity Tester.  It was portable,
battery or wall-wart operated instrument which offered switchable ranges for low voltage testing of Strain Gauge insulation integrity.