ISO 17025 Testing and Calibration Laboratory

ISO 17025 accreditation is the highest standard for calibration and testing laboratories worldwide. TESCO has demonstrated the technical proficiency and ability to produce precise and accurate test and calibration data to be among the best in the world!

Our metrology laboratory is accredited to ISO/IEC 17025:2017 Electrical DC and Low Frequency calibrations and testing as well as NIST, NRC, and other (SI) traceable calibrations. The accredited scope applies to the general competency for conducting energy measurements as well as precision high current and high voltage transformers.

We can calibrate and repair ANY equipment of ANY vintage from ANY manufacturer. We can calibrate virtually every piece of shop or field equipment from TESCO or any other manufacturer including:

  • Handheld Multimeters and Field Test Equipment
  • Field Meter Test Equipment
  • Field and Transfer Standards
  • Electric Meters
  • Instrument Transformers

The TESCO Calibration & Testing Laboratory is:
  • ISO/IEC 17025:2017 Accredited
  • ANSI/NCSL Z540-1-1994 (MIL-STD-45662A plus software control)
  • Traceable through reference standards maintained by national institutes such as NIST, NRC, etc. in a diverse extended scope of accreditation

In-Lab Calibration
  • We calibrate, upgrade or repair all TESCO or Knopp equipment or standards
  • Knopp transformers are the industry standard and we maintain a primary reference transformer standards at an economical price below nationals institutes
  • Our Next Gen meter test equipment is fast becoming the choice of the industry
  • This service offers you the best value

On-Site Calibration
  • This premium service offers you the flexibility of the same quality calibration, repair and upgrades you expect from our in-lab services
  • Fully traceable and accurate
  • We bring our lab to you for a cost competitive solution that matches your needs

Remote “Loaner” Calibration
  • This accommodating solution offers increased flexibility  where we send you at loaner reference standard fully traceable and all the hardware and/ or software required to perform your own calibration
  • Includes clear easy to read and use work instructions
  • This is a very cost effective alternate solution to our On-Site services
  • We bring our lab to you for a cost competitive solution that matches your needs

Non-TESCO Energy Standards

Yes, we can re-certify most non-TESCO Energy Standards or field test equipment.

Other Test Instruments

TESCO can test and certify other industry test equipment such as:

  • Ammeters
  • Clamp On Meters
  • Digital Hand Held Multimeter
  • Hi-Pots
  • Mega-ohmmeters
  • Watt-meters
  • Decade Boxes

High Voltage
  • AC up to 36,000 V AC
  • DC measure up to 40 K V

High Current
  • AC up to 8,000 amps

ISO 17025:2017 Accreditation