American Calibration can provide calibration, service, and/or repair for most types of voltage. Below is a list of popular types and manufacturers whose gages we often service.  We also have the capability to calibrate unique gages from most major and independent manufacturers, please feel free to contact us if your particular item is not listed as our breadth of capabilities are constantly expanding.  All calibrations are NIST Traceable and for the majority of gages 17025 Accredited Certification is available, please refer to our Scope of Accreditation for a detailed listing.


  • Withstand Voltage Testers
  • Voltage Testers
  • Constant Voltage Transformers
  • High Voltage Probes and Testers
  • Detectors and Testers
  • Voltage Source
  • Voltage Dividers


  • Associated Research, Inc.
  • Datel
  • Extech
  • Fluke
  • Sola
  • Tektronix