Results for: All-Russian Scientific Research Institute for Metrological Service, Rosstandart
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In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Russian Federation, VNIIMS (All-Russian Scientific Research Institute for Metrological Service, Rosstandart)
High voltage and current , High voltage impedance: capacitance : 10 pF to 1000 pF
Compressed gas capacitor
Relative expanded uncertainty : 1.5E-4 to 1.0E-3
Comparison with reference
Voltage : 1 kV to 350 kV
Frequency : 50 Hz
Approved on 21 October 2001
Institute service identifier : VNIIMS/175
High voltage and current , Pulsed high voltage and current: lightning impulse time parameters : 0.8 µs to 60 µs
Lightning impulse voltage measurement set-up, impulse calibrator, digital recorder
Relative expanded uncertainty : 5.0E-2
Comparison with reference measuring system
Peak voltage value : 10 V to 500 kV
Impulse shape : according to IEC 60060
Approved on 21 October 2001
Institute service identifier : VNIIMS/184
High voltage and current , Pulsed high voltage and current: lightning impulse voltage parameters : 50 kV to 1500 kV
Lightning impulse voltage measurement set-up
Relative expanded uncertainty : 5.0E-3
Comparison with reference measuring system
Impulse shape : according to IEC 60060
Approved on 21 October 2001
Institute service identifier : VNIIMS/183
Pressure , Gauge pressure: gas medium : 4.00E4 Pa to 6.30E5 Pa
Pressure measuring device, standard pressure generator
Relative expanded uncertainty : 2.0E-4
Direct comparison with standard, crossfloat
Approved on 21 October 2001
Institute service identifier : VNIIMS/5
Complex geometry , CMM artifacts : 20 mm2 to 960 mm2
Ball plate, 2D centre coordinates
Absolute expanded uncertainty
Q[0.9, 0.75L]

L distance in m

The uncertainty is expressed in µm

CMM with laser interferometer and reversal technique
Temperature : 20 °C ± 0.3 °C
Modified on 16 December 2014
Approved on 21 October 2001
Institute service identifier : VNIIMS/20
Form , Roundness standards : 0 µm to 300 µm
Magnification stanart (e. g. fkick standard): roundness
Absolute expanded uncertainty
Q[28 , 10R]

R in mm

The uncertainty is expressed in nm

Stylus-on-spindle roundness instrument
Diameter : 1 mm to 300 mm
Approved on 09 November 2016
Institute service identifier : COO-VNIIMS-L-423/4
High voltage and current , AC high voltage: ratio error : 0 % to 0.02 %
High voltage transformer, voltage transformer bridge
Relative expanded uncertainty : 2.0E-4 to 5.0E-4
Current comparator bridge and compressed gas capacitors
Voltage : 1 kV to 350 kV
Frequency : 50 Hz
Ratio : 10 to 10000
Approved on 21 October 2001
Institute service identifier : VNIIMS/179
High voltage and current , High DC voltage: meters : 100 kV to 400 kV
Dedicated set-up for high voltage
Relative expanded uncertainty : 2.0E-4
Comparison by means of differential voltage meter and set of calibrated Zener diode chains
Temperature : 20 °C to 30 °C
Relative humidity : 40% to 80%
Approved on 21 October 2001
Institute service identifier : VNIIMS/172
High voltage and current , High DC voltage: ratios : 1 to 1.00E5
High voltage resistive divider
Relative expanded uncertainty : 7.0E-5 to 3.0E-4
Measurement by means of differential voltage meter, set of calibrated Zener diode chains, DC voltmeter
Voltage : 1 kV to 800 kV
Approved on 21 October 2001
Institute service identifier : VNIIMS/174
High voltage and current , AC high voltage: peak values : 1 kV to 350 kV
AC high voltage meter, dedicated set-up for high voltage measurements (resistive and capacitive dividers)
Relative expanded uncertainty : 5.0E-4
Comparison with reference system
Frequency : 50 Hz
Approved on 21 October 2001
Institute service identifier : VNIIMS/177
Form , Roundness standards : 0 nm to 2000 nm
Sphere, hemisphere: roundness
Absolute expanded uncertainty : 2.8E1 nm
Stylus-on-spindle roundness instrument
Diameter : 1 mm to 100 mm
Approved on 09 November 2016
Institute service identifier : COO-VNIIMS-L-423/4
Complex geometry , Complex geometry : 20 mm3 to 2000 mm3
CMM
Absolute expanded uncertainty
Q[1.35, 1.5L]

L length in m

The uncertainty is expressed in µm

Ball plate calibration sphere
Temperature : 20 °C ± 0.3 °C
Modified on 16 December 2014
Approved on 21 October 2001
Institute service identifier : VNIIMS/22
High voltage and current , AC high voltage ratio: phase displacement : 5.00E-5 rad to 1.00E-3 rad
High voltage transformer, voltage transformer bridge
Absolute expanded uncertainty : 5.0E-5 rad
Current comparator bridge and compressed gas capacitors
Voltage : 1 kV to 350 kV
Frequency : 50 Hz
Ratio : 10 to 10000
Approved on 21 October 2001
Institute service identifier : VNIIMS/180
High voltage and current , Pulsed high voltage and current: lightning impulse voltage parameters : 50 V to 2000 V
Lightning impulse voltage measurement set-up, impulse calibrator, digital recorder
Relative expanded uncertainty : 1.0E-3 to 2.0E-3
Comparison by means of differential voltage meter and set of calibrated Zener diode chains
Impulse shape : according to IEC 60060
Approved on 21 October 2001
Institute service identifier : VNIIMS/181
High voltage and current , Pulsed high voltage and current: switching impulse voltage parameters : 50 V to 2000 V
Switching impulse voltage measurement set-up, impulse calibrator, digital recorder
Relative expanded uncertainty
0.5E-03 to 2E-03
Differential voltage meter, set of calibrated Zener diode-transistor chains
Impulse shape : according to IEC 60060
Approved on 21 October 2001
Institute service identifier : VNIIMS/185
High voltage and current , High voltage impedance: dissipation factor : 5.00E-5 to 1.00E-3
Compressed gas capacitor
Absolute expanded uncertainty : 5.0E-5
Comparison with reference
Frequency : 50 Hz
Approved on 21 October 2001
Institute service identifier : VNIIMS/176
High voltage and current , Pulsed high voltage and current: switching impulse voltage parameters : 1 kV to 800 kV
Switching impulse voltage measurement set-up
Relative expanded uncertainty : 3.0E-3
Differential voltage meter, set of calibrated Zener diode chains
Impulse shape : according to IEC 60060
Approved on 21 October 2001
Institute service identifier : VNIIMS/186
High voltage and current , Pulsed high voltage and current: switching impulse time parameters : 100 µs to 2500 µs
Switching impulse voltage measurement set-up, impulse calibrator, digital recorder
Relative expanded uncertainty : 3.0E-2
Comparison with reference measuring system
Peak voltage value : 1 kV to 500 kV
Approved on 21 October 2001
Institute service identifier : VNIIMS/187
High voltage and current , AC high voltage: peak values : 1 kV to 800 kV
AC high voltage meter, dedicated set-up for high voltage measurements (resistive and capacitive dividers)
Relative expanded uncertainty : 1.0E-3
Comparison with reference system
Frequency : 50 Hz
Approved on 21 October 2001
Institute service identifier : VNIIMS/178
Complex geometry , CMM artifacts : 10 mm to 960 mm
Ball bar, centre spacing L
Absolute expanded uncertainty
Q[0.9, 0.75L]

L in m

The uncertainty is expressed in µm

CMM with laser interferometer
Temperature : 20 °C ± 0.3 °C
Modified on 16 December 2014
Approved on 21 October 2001
Institute service identifier : VNIIMS/21

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