# New Gauges calibration certificate shows deviations from the measurement uncertainty

K

#### KnoKsuKaO

Hello all,
we are certified according to ISO/TS 16949.

We ordered a new gauge on which we kept a calibration sheet by accredited laboratories. Unfortunately, calibration certificate shows deviations from the measurement uncertainty.

I would like to ask, because these are a new gauge we can use these gauge or what we can do so that we can use?

Thank you.

#### Jim Wynne

Staff member
Re: Gauges calibration

Can you explain what "deviations from the measurement uncertainty" means specifically? Uncertainty is only one factor in evaluation of calibration results, and a lot depends on the things that the device is used to measure.

#### Kales Veggie

##### People: The Vital Few
Re: Gauges calibration

Hello all,
we are certified according to ISO/TS 16949.

We ordered a new gauge on which we kept a calibration sheet by accredited laboratories. Unfortunately, calibration certificate shows deviations from the measurement uncertainty.

I would like to ask, because these are a new gauge we can use these gauge or what we can do so that we can use?

Thank you.
That depends. What accuracy do you need for the characteristic you are measuring?

K

#### KnoKsuKaO

Re: Gauges calibration

Deviations from the measurement uncertainty, which is mentioned on the calibration certificate.
Uncertainty of measurement: + / - 7,6um

actually measured deviation: 0 0 0 -4 -2 -5 -9 -6 -5

K

#### KnoKsuKaO

Re: Gauges calibration

Kales: may be that it will use the SC characters

#### Jim Wynne

Staff member
Re: Gauges calibration

Deviations from the measurement uncertainty, which is mentioned on the calibration certificate.
Uncertainty of measurement: + / - 7,6um

actually measured deviation: 0 0 0 -4 -2 -5 -9 -6 -5
What effect might the uncertainty have on your measurements?

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