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Companies in the telecommunications industry must contend with new media, data security, faster signal transmissions and high quality standards. Highly specialized measuring equipment must be calibrated regularly to ensure top performance and extend its service life. Trescal provides calibration and repair services for telecommunications equipment, including radionavigation and radiocommunication. Trescal is accredited to telecommunications requirements and standards including ISO 9001 and ISO 14000.

Equipment we calibrate

Trescal calibrates a range of telecommunications instruments, including:

Electricity / transmission

  • Frequency selective volt/level meters
  • Transmission test sets
  • Voltage detectors
  • SDH/PDH transmission
  • T1/T1C Fault Locators


  • Noise measuring test sets
  • Level generators
  • Tone sources


  • Optical testers
  • Return loss test sets


  • Cable and fault locators
  • Carrier test sets
  • Data test sets
  • Line and loop testers
  • Oscillators
  • PCM test sets

The Trescal Advantage

We provide:

Calibration services

for over 20,000 brands and 150,000 referenced instruments

Single customer

portal to track equipment, request repair and obtain reports

Extensive global service

of over 350 mobile and onsite laboratories

Onsite calibrations

to minimize disruption and transportation

ISO/IEC 17025

and over 780 national accreditations

Calibrations traceable

to the international system of units (SI)

Complete certificates

available 24/7 via your dedicated customer platform

Accreditations and Standards

Client results

28 technical domains
20K referenced brands
780 national accreditations

related services


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Repair and Maintenance

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Asset management

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