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

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Calibration Check Box CCB1 £69.95 £39.95 Portable electricians Calibration Checkbox for use on site. Enables you to confirm Insulation and continuity testers are reading within specification.	Kewcheck FC1000 Calibration Checker £369.00 £199.00 Validates your Loop, RCD, Insulation, continuity testers and multimeters between annual calibration of your electrical test meters and testing meter	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.
Megger MTB7671 Test Instrument Box £389.00 £259.00 Tests the full range of a testers capability including insulation, continuity, loop, PFC & RCD functions of testers. Comply with NICEIC, ELECSA, CORGI	Seaward Powercheck 1557 Checkbox for PAT & Installation Testers £388.00 £275.00 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 £110.00 £99.95 Socket & See CB100 Checkbox tests all makes of: Loop, Insulation & continuity testers.
Socket & See CB200 Calibration Check Box £186.00 £95.00 Socket & See CB200 Calibration Checker tests all makes of: Loop, Insulation/continuity & RCD testers and comes supplied with a Calibration Certificate	Socket & See CB300 Professional Check Box £330.00 £259.00 Socket & See CB300 Checker tests all makes of: Loop, Insulation/continuity & RCD testers. Complies with 17th Edition	Transmille 2080 Calibration Checkbox £239.00 £189.00 Validates your test readings on Loop, RCD, Insulation, continuity testers and multi function testers.