
PAT Calibration Checker
The PAT Checkbox has been designed to provide a safe, simple and quick means of checking the calibration of Seaward PAT Testers, to ensure accurate testing. The Checkbox will also check other Portable Appliance Testers.
Earth Bond Reading +/- 1% +/- 1 digit
Insulation Reading +/- 1% +/- 1 digit
Flash Test Reading +/- 1% +/- 1 digit
Earth Leakage Reading +/- 1% +/- 1 digit