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- Calibration
  
  We are one of the leading calibration laboratories in Germany 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.
- 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 PRIMAS test equipment management solution for compliance with standards and directives.
  Test equipment management
- PRIMAS online & mobile
  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 connect
  PRIMAS connect is a web service for automated access and queries to PRIMAS online in the Testo Industrial Services data system.
- PRIMAS exchange
  PRIMAS exchange enables automated data transfer of test equipment data between MES/CAQ systems and our data master.
- 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
  Professional support for all GMP measures in the area of cleanroom qualification - from conception to implementation.
- Plants & Utilities
  Risk-based qualification of process plants, supply systems and utilities for the sustainable safety of process stability and robustness.
- Transport and storage
  Storage and transport qualification to ensure uniform temperature and climate conditions and maintain product quality.
- Mappings & climate distribution measurements
  Professional temperature and climate distribution measurements to ensure robust storage and transport conditions.
- 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 Software Validation
  Computer system validation and software validation (CSV) to ensure the reproducibility of procedures and processes of computer-based systems.

A man in a laboratory calibrates a torque wrench

Proficiency test for the mechanic measurement variable: torque wrenches

A proficiency test for the calibration of torque wrenches will be conducted. The methodology and execution of the proficiency test comply with the requirements of DIN EN ISO/IEC 17043:2023.

Three torque wrenches (1 – 10 Nm, 20 – 200 Nm, and 1000 – 1000 Nm, indicating and click-type) will be provided as calibration artifacts. The artifacts are to be calibrated in accordance with DIN EN ISO 6789-2:2017 at the beginning, 60%, and 100% of their measurement range. At each measurement point, the mean deviation as and the corresponding relative expanded measurement uncertainty W must be determined.

The assigned values will be determined using the weighted mean of all participant results from accredited calibration laboratories (consensus value).

Schedule and Process:
Registration Period: until 25 September 2026
Planned Start of the Interlaboratory Comparison: November 2026

The proficiency test will be carried out in a round-robin format, including intermediate measurements by the pilot laboratory as well as calibrations before and after all participants. Each participant will have one calendar week to perform the calibration and forward the calibration artifacts to the next participant.

Interested in participating in our next interlaboratory comparison? Complete the contact form below by 25 September 2026. We will provide you with a non-binding quotation as quickly as possible. Participation only becomes binding once the quotation has been accepted and an order confirmation has been issued.

Eine Zusammenfassung der Eignungsprüfung finden Sie in der

You`ll find a conslusion of the process in the description.

Note: A minimum of seven participating laboratories is required for this interlaboratory comparison to take place.

Request for a quote: