Seaward PAT Testing Calibrator - 227A912

manufacturers calibration certificate dated at time of manufacture. Seaward PAT Checkbox. The PAT Checkbox has been designed to provide a safe, simple and quick means of checking the calibration of the Seaward PATs, and will also check other Portable Appliance Testers, to ensure accurate testing. Accuracy ±1% + 1 digit Calibrated with a flash voltage of 3kVrms Insulation resistance test voltage of 500Vdc Earth Bond Earth Leakage