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- Calibration
  
  We are one of the leading calibration laboratories in Europe and accredited for more than 300 calibration procedures according to DIN EN ISO/IEC 17025:2018.
  Calibration
- Our measured variables
  Our accredited laboratories cover almost all measurands and offer a unique service portfolio.
- On-site calibration
  We calibrate test equipment and measuring points at our customers' sites with professional competence and high-precision equipment.
- Collection and delivery service
  Testo Industrial Services ensures the safe transport of your high-quality test equipment with the company's own collection and delivery service.
- Repair
  In addition to calibration, we offer the appropriate repair of test equipment and measuring instruments in the field of thermodynamics and electrics.
- Calibration equipment
  With our portable calibrators for temperature, humidity and pressure, calibrations can be carried out regardless of location.
- Test equipment management
  
  We manage your test equipment with the holistic test equipment management solution PRIMAS for compliance with standards and directives.
  Test equipment management
- PRIMAS online
  The internet-based test equipment management system PRIMAS online supports the assurance of test equipment requirements - even while on the road.
- PRIMAS validated
  PRIMAS validated is a validation-enabled test equipment management system for companies with GxP compliance requirements.
- PRIMAS exchange
  PRIMAS exchange enables automated data transfer of test equipment data between MES/CAQ systems and our data master.
- PRIMAS connect
  PRIMAS connect is a web service for automated access and queries to PRIMAS online in the Testo Industrial Services data system.
- Qualification
  
  We support qualification projects such as cleanroom qualification or plant qualification. We also qualify warehouses and transport systems according to GDP and GSP standards.
  Qualification
- Cleanroom qualification
  Professional support for all GMP measures in the area of cleanroom qualification - from conception to implementation.
- Qualification of plants and utilities
  Risk-based qualification of process plants, supply systems and utilities for sustainable safety of process stability and robustness.
- Transport and storage qualification
  Storage and transport qualification to ensure uniform temperature and climate conditions and maintain product quality.
- Validation
  
  We take care of cleaning, process and transport validation as well as computer and software validation to ensure reproducibility and robustness.
  Validation
- Cleaning validation
  Holistic handling of professional cleaning validations as well as support for validation projects and revalidation measures.
- Process validation
  Risk-based process validation to demonstrate the fulfilment of process requirements and outcomes, and to ensure product quality.
- Transport validation
  Transport validation to ensure stable climate conditions during logistics and transport of sensitive goods to the consumer.
- Computer and software validation
  Computer and software validation (CSV) to ensure the reproducibility of procedures and processes of computer-based systems.

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Ringvergleich für Thermodynamische Messgrößen

09.11.2022

Ring comparison of dimensional measurands

This year we start our intercomparison for the dimensional measurands: Angle and straightness.
The test items are a straight edge, a flat angle and a universal protractor. Each participant has two calendar weeks to complete the test.

Register by 02 December if you would like to take part in our next round robin.

Learn more

The intercomparison is not suitable for you? Or you would like an individual bilateral comparison for your specific measurement task?
You can find all planned intercomparisons on our overview page or write to us via the contact form.

More ring comparisons

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