Knowledge-Centre
Our know-how area gives you an overview of our expertise as well as answers to questions regarding the realization of your quality assurance tasks in the areas of calibration, test equipment management, qualification and validation.
- What ist calibration?
- Why calibrate?
- Who is allowed to perform the calibration of measuring equipment?
- What is the difference between adjustment and calibration?
- What is the difference between a calibration and a verification?
- What is traceable calibration?
- What is an accredited calibration?
- How often do I have to calibrate my measuring instruments (calibration cycle, calibration interval)?
- What is a testing device / measuring device / measuring equipment?
- At which and how many measuring points should calibration be carried out?
- Why do moisture meters need to be calibrated?
- What are the humidity parameters?
- Possibilities of humidity calibration
- How to calibrate hygrometer?
- What is a dew point hygrometer?
- What humidity sensors are available?
- How does a polymer sensor work?
- How are temperature measuring instruments calibrated?
- What are the methods of temperature measurement?
- What sensors are available in the temperature range?
- Temperature calibration options
- Calibration in liquid baths
- Calibration in circulators and overflow basins
- What is dew point (dew point temperature) °Ctp?
- On which pressure measuring methods are pressure test equipments based?
- What indirect pressure test equipments are available?
- Which pressure sensors are available?
- Overview of the print types
- How is the calibration of pressure test equipments performed?
- Possibilities of pressure calibration?
- How does a Bourdon tube pressure test equipment work?
- How does the principle of a differential pressure test equipment with diaphragm work?
- Which reference types are distinguished for pressure calibration?
- How is the calibration of torque spanners and torque transducers carried out?
- How is the angle of rotation calibrated?
- How is force calibration carried out?
- Why is calibration of measuring instruments important for gas analyses?
- How are flue gas measuring instruments calibrated?
- Why does my flue gas meter need to be recalibrated after maintenance/repair?
- What is a measuring cell?
- What is electrical conductivity?
- What does the conductivity of a solution depend on?
- How are conductivity meters calibrated?
- What is meant by a pH measurement?
- How are pH meters calibrated?
- What does TPM mean? And which measuring principle applies here?
- How are frying oil testers calibrated?
- What is an initial sample inspection report (ISIR)?
- Is an accredited calibration possible for prismatic, conical and spherical workpieces?
- What is a component test?
- What gear measurement service can Testo Industrial Services perform?
- What contract measurement/order measurement does Testo Industrial Services offer?
- What is the difference between an ISO/factory calibration and an accredited calibration (DAkkS)?
- What is the difference between accreditation & certification?
- When is a DAkkS calibration necessary? When do I need ISO?
- What is the significance of conformity assessment?
- What is a decision rule?
- What does DIN EN ISO/IEC 17025:2018 say?
- What does uncertainty of measurement mean?
- Relationship between: Precision, accuracy and resolution
- Why is the measurement uncertainty relevant?
- What is the effect of measurement uncertainty in the context of calibration?
- How is the measurement uncertainty determined and calculated?
- What does uncertainty of measurement according to GUM mean?
- Statistical principles for the calculation of measurement uncertainty
- What does sensitivity coefficient mean in the context of measurement uncertainty?
- What is a measurement uncertainty balance/measurement uncertainty budget?
- What is meant by GxP?
- Which standards and guidelines play a role in the GMP environment?
- Which industries operate in a GMP regulated environment?
- What requirements must GMP compliant documentation meet?
- How is risk management defined in the ICH Q9 guideline?
- What are the principles of risk management in GxP-regulated areas?
- What are the objectives of risk management in GxP-regulated areas?
- Which method is suitable for risk analyses of companies with GxP compliance requirements?
- Which cleanroom classes are there?
- Which tests/measurements are carried out during a cleanroom qualification?
- What innovations does DIN EN ISO 14644-3:2020-08 bring with it with regard to the performance of leak tests on HEPA filters?
- What influence do the changes to DIN EN ISO 14644-1 have on the qualification of cleanrooms?
- What changes did the update of DIN EN ISO 13485 bring?
- Do manual processes in medical technology need to be validated?
- What is a design history file and what needs to be considered when creating one?
- How can an efficient supplier management be structured for the quality assurance of outsourced processes?
- What is a proficiency test or comparative measurement?
- Difference intercomparison/interlaboratory comparison and bilateral comparison
- What is a ring comparison/ring test?
- What is a bilateral settlement?
- What is understood by the term pilot laboratory?
- Who can participate in a proficiency test or comparative measurement?
- What are the necessity and contents of proficiency tests?
- What advantages do the comparative measurements offer?
- What are the tasks of a proficiency testing and comparative measurement provider?
Do you have any further questions about your order, your contacts, our portfolio, the repair process and our PRIMAS test equipment management system, as well as quality-related topics?
On our FAQ page you will find answers around these topics.