0113 248 9966
0113 248 9966
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Seaward PAT Checkbox

Seaward Official Distributor
  • Designed to be used in conjunction with Seaward PAT testers
  • Verifies accuracy and performance of PAT tester in between annual calibrations
  • Calibrates earth bond, earth leakage insulation resistance and flash tests
In stock


The Seaward PAT Checkbox supplies a safe, simple and quick method of verifying the performance of Seaward portable appliance testers. It is a good way of making sure that your tester remains accurate in between annual calibrations as recommended by the IET Code of Practice.


  • Earth bond reading: +/-1%, +/-1 digit
  • Insulation reading: +/-1%, +/-1 digit
  • Earth leakage reading: +/-1%, +/-1 digit
  • Flash test reading: +/-1%, +/-1 digit