Calibration Checkers and Check boxes help validate electricians 17th and 16th edition instruments more regularly than the standard 12 month calibration period. Our Kewtech, Megger, Seaward and Transmille Calibration checkers and check boxes will check all makes of LOOP, RCD, and INSULATION / CONTINUITY testers and all makes of multimeters. These check boxes allow you to extend your calibration period through regular checking and avoid expensive re-tests.

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Best Sellers

Megger MTB7671/2 Calibration Checkbox £429.00 £279.00 Metrel CS2099 EuroCheck Calibration Checkbox £219.95 £142.00 Martindale CB12 Calibration Checkbox £49.50 £42.50

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CAL BOX Calibration Checkbox £59.95 £39.95 The CalBox is a simple way to ensure the on-going accuracy of electrical test equipment between dates of calibration.	CCB1 Calibration Check Box £69.95 £41.50 Portable electricians Calibration Checkbox for use on site. Enables you to confirm Insulation and continuity testers are reading within specification.	Kewtech FC2000 Calibration Check Box £169.00 £98.95 Use the affordable FC2000 calibration checker to ensure the ongoing accuracy of your 17th Edition electrical test equipment.
Kewtech FC8000 High Precision Calibrator £4995.00 £4245.00 The FC8000 is a high precision portable manual calibrator for BS7671 test instruments. The unit is fast to learn and very quick to use.	Martindale CB12 Calibration Checkbox £49.50 £42.50 Quickly check the calibration of insulation and continuity testers to verify that they are operating within specification.	Megger MTB7671/2 Calibration Checkbox £429.00 £279.00 Tests the full range of a testers capability including insulation, continuity, loop, PFC & RCD functions of testers. Comply with NICEIC, ELECSA, CORGI
Metrel CS2099 EuroCheck Calibration Checkbox £219.95 £142.00 Verify the ongoing accuracy of your Insulation & Continuity, Loop and RCD testers by using the Metrel CS2099 Calibration Checkbox	Seaward Powercheck 1557 PAT/Installation Tester Checker £467.00 £295.00 Tests Earth Continuity, Insulation Resistance, RCD Trip Time, RCD Trip current, Loop, PE Conductor Current, Touch Current & flash test verification	Socket & See CB100 Quick CheckBox £175.00 £149.00 Socket & See CB100 Checkbox tests all makes of: Loop, Insulation & continuity testers.
Transmille 2080 Calibration Checkbox £239.00 £195.00 Validates your test readings on Loop, RCD, Insulation, continuity testers and multi function testers.