Information about calibration

Read more about our patent pending Dynamic Load Compensation!


General calibration
Importance of 'uncertainty' - Why it is important to pay attention to the uncertainty
Influence on uncertainty - Elements of the "uncertainty circle"

Calibration certificates - Accredited or traceable

Temperature calibration
True temperature calibration

Correct use of inserts

Choose the correct insert

Dry-block calibrators

Dry-block principle - The basic design of a temperature calibrator

Dual-zone - (Active) as in JOFRA ATC series - Best possible temperature homogeneity in the block

Dual-zone - (Central) as in JOFRA ITC series - Very good temperature homogeneity in the block

Efficient cooling techniques

Deadweight testers
Floating ball - Principle of the pneumatic deadweight testers

Re-entrent piston/cylinder - Principle of the piston/cylinder in the hydraulic deadweight testers

Overhung weight carriers - Hydraulic deadweight testers

Dual volumen handpump - Principle of the hydraulic hand pump