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Calibration Checkboxes
Megger MTB7671 Calibration Checkbox
The only one that fully tests your instruments to the regs. Tests the full range of your tester’s capability not just what’s easy Won’t trip RCD protected circuits Checks insulation, continuity, loop and RCD functions of testers Learn More
Seaward PAT Checkbox (227A910)
Provide a safe, simple and quick means of checking the calibration of Seaward PAT's. Used to check all portable appliance testers in the Seaward range, as well as those from other manufacturers. Lightweight and portable and easy to operate. Provides an immediate indication of the accuracy of the instrument. Learn More All Electrical Calibration Checkboxes
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