Fluke RUSKA 7050, Руководство пользователя

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RUSKA 7050, 7050i & 7050LP
Users Manual
A-4
The following two tables are uncertainty analysis examples for a single range 7050 based
on a three month and a yearly calibration.
Table A-3. Uncertainty Analysis for 7050—Three Month Analysis
Uncertainty Analysis – 3 Month Calibration Interval
RUSKA 7050
Uncertainty
(2 sigma)
A. Performance – (Linearity, Hysteresis, Repeatability and Temperature) 0.003% of Full Scale
B. Stability – (3 months) 0.0019% of Reading per 90 days
C. Calibration Standard – (RUSKA 2465 DWG) 0.0010% of Reading
D. Environmental –
Temperature (Included in A. above) 0.000% of Reading
Head Pressure 0.001% of Reading
2 sigma Expanded Uncertainty (RSS) 0.003% of Full Scale RSS with
0.0024% of Reading per
3 months
Table A-4. Uncertainty Analysis for 7050—One Year Analysis
Uncertainty Analysis – One Year Calibration Interval
RUSKA 7050
Uncertainty
(2 sigma)
A. Performance – (Linearity, Hysteresis, Repeatability and Temperature) 0.003% of Full Scale
B. Stability – (1 year) 0.0075% of Reading / year
C. Calibration Standard – (RUSKA 2465 DWG) 0.0010% of Reading
D. Environmental –
Temperature (Included in A. above) 0.000% of Reading
Head Pressure 0.001% of Reading
2 sigma Expanded Uncertainty (RSS) 0.003% of Full Scale RSS with
0.0076% of Reading per year