| Calibration services |
 |
|
|
 |
| Mass |
|
| Parameter | Verification levels | | Echelon I | ASTM Class 0, 1 OIML Class E2 30 kg to 1 mg | | Echelon II | ASTM Class 2, 3 OIML Class F1, F2 30 kg to 1 mg | | Echelon III | ASTM Class 4, 5, 6, 7 OIML Class M1, M2, M3 NIST Class F, legal/regulatory enforcement 2000 kg to 1 mg |
Uncertainties of the calibrations are evaluated according to the applicable tolerance class and specification in order to ensure that the required uncertainty ratios are maintained.
|
|
|
| Volume |
|
|
Parameter
|
Verification levels
|
|
Gravimetric
|
glass standards and metal provers
20L to 1 ml
|
|
Volume transfer
|
glass standards and metal provers
4000L to 100ml
|
Uncertainties of the calibrations are evaluated according to the applicable tolerance class and specification in order to ensure that the required uncertainty ratios are maintained.
|
|
|
| More information on metrology |
|
|
|
|
|
