Loop Tester Calibration

Loop Tester Calibration

Calibration of any Ze and Zs loop tester , Loop Impedance Tester . Earth Loop Tester.


This service requires you to send your tester for us , so that we can calibrate and issue a certifcate. 2-3 Day Turn-Around Time (excluding bank holidays and weekends)


Calibration Certicates are traceable to national standards .

Sercal Electronics is ISO9001:2015 approved.


If your meter fails calibration, a repair quotation will be sent for your approval prior to any work being carried out


Carraige charge is for the return of your Tester.


Yearly automatic calibration recall system



How do I return my meter(s):-

  • Fill in your meter details
  • Ensure your items are well packaged and sent either by courier or a Royal Mail signature service.
  • Include all relevant accessories (i.e. charger, test leads, probes)
  • Enclose a copy of your order receipt. 
  • Send to Sercal Electronics, 6 Westongales Way, Bentley, Doncaster, South Yorkshire, DN5 0UJ