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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)
New Zealand, MSL (Measurement Standards Laboratory)
Spectral properties of materials ,
Transmittance, diffuse, spectral
:
1.00E-4 to 4.00E-3
Spectrally-neutral material
Absolute expanded uncertainty
:
2.0E-4
Spectrophotometer, integrating sphere
Wavelength range : 400 nm to 1000 nm
Bandwidth : 1 nm to 3 nm
Specific measurement conditions : 0/d
Other types of material can also be calibrated
Approved on 20 October 2005
Institute service identifier : MSLT.O.020
CMC ID :
APMP-PR-NZ-0000061W-1
Spectral properties of materials ,
Transmittance, diffuse, spectral, T
:
0.1 to 1
Spectrally-neutral material
Relative expanded uncertainty
0.05T
Spectrophotometer, integrating sphere
Wavelength range : 300 nm to 400 nm
Bandwidth : 1 nm to 3 nm
Specific measurement conditions : 0/d
Other types of material can also be calibrated
Approved on 20 October 2005
Institute service identifier : MSLT.O.020
CMC ID :
APMP-PR-NZ-0000062G-1
Properties of detectors ,
Responsivity, spectral power
Broadband detector
Relative expanded uncertainty
:
8.0E-2 %
Monochromator and reference detectors
Wavelength range : 680 nm to 800 nm
Bandwidth : 1 nm to 5 nm
Power level : 0.1 µW to 10 µW
Approved on 20 October 2005
Institute service identifier : MSLT.O.040 or MSLT.O.009
CMC ID :
APMP-PR-NZ-0000062B-1
Photometry ,
Illuminance responsivity, tungsten source
Illuminance meter
Relative expanded uncertainty
:
0.8 %
Standard lamp
Illuminance : 10 lx to 3000 lx
Correlated colour temperature : 2700 K to 3000 K
Approved on 21 October 2001
Institute service identifier : MSLT.O.001, MSLT.O.016
CMC ID :
APMP-PR-NZ-00000626-1
Items for defining ITS-90 ,
Temperature
:
29.7646 °C
Gallium melting point cell
Absolute expanded uncertainty
:
0.13 mK
Comparison with reference cell(s)
Temperature controlled furnaceModified on 09 February 2015
Approved on 24 June 2004
Institute service identifier : MSL/T3
CMC ID :
APMP-T-NZ-000006Y0-1
Items for defining ITS-90 ,
Temperature
:
419.527 °C
Zinc freezing point cell
Absolute expanded uncertainty
:
1.9 mK
Comparison with reference cell(s)
Temperature controlled furnaceModified on 09 February 2015
Approved on 24 June 2004
Institute service identifier : MSL/T6
CMC ID :
APMP-T-NZ-000006Y3-1
Items for defining ITS-90 ,
Temperature
:
231.928 °C
Tin freezing point cell
Absolute expanded uncertainty
:
0.82 mK
Comparison with reference cell(s)
Temperature controlled furnaceModified on 09 February 2015
Approved on 24 June 2004
Institute service identifier : MSL/T5
CMC ID :
APMP-T-NZ-000006Y2-1
Items for defining ITS-90 ,
Temperature
:
-38.8344 °C
SPRT
Absolute expanded uncertainty
:
0.4 mK
Mercury triple point cell
Fixed point cellModified on 09 February 2015
Approved on 24 June 2004
Institute service identifier : MSL/T7
CMC ID :
APMP-T-NZ-000006Y4-1
Time interval ,
Time interval
:
1.00E-7 s to 8.64E4 s
Time difference source
Absolute expanded uncertainty
:
2 ns
Direct time interval measurement
Trigger level : > 0.5 V (50 Ohm)
Number of measurements : 10
Pulse rise time : < 50 ns for 5 V
Excluded DUT's effect
Approved on 12 February 2008
Institute service identifier : MSL/6
CMC ID :
APMP-TF-NZ-00000B58-1
Frequency ,
Frequency
:
0.1 MHz to 10 MHz
Local frequency standard
Relative expanded uncertainty
:
2.0E-13 Hz/Hz
Phase comparison
Measurement time : 3 days
Amplitude : > 0.5 V (50 Ohm)
Excluded DUT's effect
Approved on 12 February 2008
Institute service identifier : MSL/3
CMC ID :
APMP-TF-NZ-00000B5D-1
Impedance (up to the MHz range) ,
Inductance: self inductance, high values
:
1 H to 100 H
Fixed inductor, variable inductor, inductance box: inductance
Absolute expanded uncertainty
:
1 µH to 5.3E3 µH
Uncertainty table
{"row_1":{"col_1":"","col_2":"100 µH","col_3":"1 mH","col_4":"10 mH","col_5":"100 mH","col_6":"1 H","col_7":"10 H","col_8":"100 H"},"row_2":{"col_1":"1 Ω","col_2":"Q[0.000014<I>L</I>, 0.001<I>R</I>, 0.2/<I>f</I>], <I>L</I> in µH, <I>R</I> in Ω, <I>f</I> in Hz Values range from 0.0001 µH to 0.0053 µH","col_3":"-","col_4":"-","col_5":"-","col_6":"-","col_7":"-","col_8":"-"},"row_3":{"col_1":"10 Ω","col_2":"-","col_3":"Q[0.000014<I>L</I>, 0.001<I>R</I>, 2/<I>f</I>], <I>L</I> in µH, <I>R</I> in Ω, <I>f</I> in Hz Values range from 0.001 µH to 0.053 µH","col_4":"-","col_5":"-","col_6":"-","col_7":"-","col_8":"-"},"row_4":{"col_1":"100 Ω","col_2":"-","col_3":"-","col_4":"Q[0.000014<I>L</I>, 0.001<I>R</I>, 20/<I>f</I>], <I>L</I> in µH, <I>R</I> in Ω, <I>f</I> in Hz Values range from 0.01 µH to 0.53 µH","col_5":"-","col_6":"-","col_7":"-","col_8":"-"},"row_5":{"col_1":"1 kΩ","col_2":"-","col_3":"-","col_4":"-","col_5":"Q[0.000014<I>L</I>, 0.001<I>R</I>, 200/<I>f</I>], <I>L</I> in µH, <I>R</I> in Ω, <I>f</I> in Hz Values range from 0.1 µH to 5.3 µH","col_6":"-","col_7":"-","col_8":"-"},"row_6":{"col_1":"10 kΩ","col_2":"-","col_3":"-","col_4":"-","col_5":"-","col_6":"Q[0.000014<I>L</I>, 0.001<I>R</I>, 2000/<I>f</I>], <I>L</I> in µH, <I>R</I> in Ω, <I>f</I> in Hz Values range from 1 µH to 53 µH","col_7":"-","col_8":"-"},"row_7":{"col_1":"100 kΩ","col_2":"-","col_3":"-","col_4":"-","col_5":"-","col_6":"-","col_7":"Q[0.000014<I>L</I>, 0.001<I>R</I>, 20000/<I>f</I>], <I>L</I> in µH, <I>R</I> in Ω, <I>f</I> in Hz Values range from 10 µH to 529 µH","col_8":"-"},"row_8":{"col_1":"1 MΩ","col_2":"-","col_3":"-","col_4":"-","col_5":"-","col_6":"-","col_7":"-","col_8":"Q[0.000014<I>L</I>, 0.001<I>R</I>, 200000/<I>f</I>], <I>L</I> in µH, <I>R</I> in Ω, <I>f</I> in Hz Values range from 100 µH to 5288 µH"}}
Universal impedance bridge
Frequency : 40 Hz to 2 kHz
Series resistance : 0 Ω to 1 MΩ
Approved on 22 November 2006
Institute service identifier : 43
CMC ID :
APMP-EM-NZ-00000DA0-1
DC resistance ,
DC resistance meters: intermediate values
:
1 Ω to 1.00E4 Ω
Ohmmeter, multimeter, multifunction transfer standard, resistance bridge
Relative expanded uncertainty
:
0.12 µΩ/Ω
Resistance meters and resistance standards
Temperature : 15 °C to 25 °C
Approved on 22 November 2006
Institute service identifier : 19
CMC ID :
APMP-EM-NZ-00000DBO-1
DC voltage (up to 1100 V) ,
DC voltage meters: intermediate values
:
12 V to 1100 V
DC voltmeter, multimeter, multifunction transfer standard
Relative expanded uncertainty
:
0.5 µV/V
Comparison with reference standard
Ambient temperature : 15 °C to 30 °C
Approved on 22 November 2006
Institute service identifier : 4
CMC ID :
APMP-EM-NZ-00000DBA-1
DC resistance ,
DC resistance standards and sources: low values
:
10 mΩ to 1000 mΩ
Fixed resistors, resistance box
Relative expanded uncertainty
:
2.5E1 µΩ/Ω
Voltage comparator
Current : below or equal to 1 A
Voltage : above or equal to 10 mV
Approved on 22 November 2006
Institute service identifier : 16
CMC ID :
APMP-EM-NZ-00000DBK-1
DC resistance ,
DC resistance standards and sources: standards for high current
:
0.1 mΩ to 1000 mΩ
Fixed resistors: resistance R
Relative expanded uncertainty
63R -0.35 R in mΩ
The uncertainty is expressed in µΩ/Ω
Current comparator
Current : 1 A to 875 A
Voltage : 10 mV to 1 V
Expanded uncertainty values range from 141 to 6 µΩ/Ω
Approved on 22 November 2006
Institute service identifier : 17
CMC ID :
APMP-EM-NZ-00000DBL-1
DC current (up to 100 A) ,
DC current sources: high values
:
20 A to 100 A
Current generator
Relative expanded uncertainty
:
1.8E1 µA/A to 3.6E1 µA/A
Uncertainty table
{"row_1":{"col_1":"","col_2":"Expanded uncertainty / (µA/A)"},"row_2":{"col_1":"10 pA","col_2":"560"},"row_3":{"col_1":"100 pA","col_2":"540"},"row_4":{"col_1":"1 nA","col_2":"150"},"row_5":{"col_1":"10 nA","col_2":"20"},"row_6":{"col_1":"100 nA","col_2":"10"},"row_7":{"col_1":"1 µA","col_2":"10"},"row_8":{"col_1":"10 µA","col_2":"5"},"row_9":{"col_1":"100 µA","col_2":"5"},"row_10":{"col_1":"1 mA","col_2":"5"},"row_11":{"col_1":"10 mA","col_2":"5"},"row_12":{"col_1":"100 mA","col_2":"5"},"row_13":{"col_1":"1 A","col_2":"5"},"row_14":{"col_1":"10 A","col_2":"13"},"row_15":{"col_1":"20 A","col_2":"18"},"row_16":{"col_1":"100 A","col_2":"36"}}
Voltage across resistor
Expanded uncertainty values range from 18 µA/A to 97 µA/A
Approved on 22 November 2006
Institute service identifier : 31
CMC ID :
APMP-EM-NZ-00000DC3-1
DC resistance ,
DC resistance standards and sources: high values
:
1.00E-3 GΩ to 1 GΩ
Fixed resistor, three terminal resistor, resistance box: resistance R
Relative expanded uncertainty
0.7 + 27R - 20R 3 R in GΩ
The uncertainty is expressed in µΩ/Ω
Dual voltage source
Applied voltages : 5 V to 100 V
Temperature : 15 °C to 25 °C
Approved on 31 October 2016
Institute service identifier : 14
CMC ID :
APMP-EM-NZ-00000DBI-1
High voltage and current ,
High DC voltage: ratios
:
2.00E-5 to 1
High voltage resistive divider, DC high voltage probe
Relative expanded uncertainty
:
3 mV/V
Reference divider
Input voltage : 1 kV to 50 kV
Approved on 10 November 2014
Institute service identifier : 11
CMC ID :
APMP-EM-NZ-00000DBE-1
Mass ,
Mass
:
10 g to 100 g
Mass standard
Absolute expanded uncertainty
:
4 µg to 8 µg
Comparison in air
Approved on 14 April 2005
Institute service identifier : MSL/4
CMC ID :
APMP-M-NZ-00000G52-1
Density ,
Density of solid
:
1400 kg/m3 to 2500 kg/m3
Solid density artifact
Relative expanded uncertainty
:
1.0E-5
Comparison in liquid
Mass : 400 g to 200 g
Temperature : 17 °C to 23 °C
Approved on 14 April 2005
Institute service identifier : MSL/10
CMC ID :
APMP-M-NZ-00000G5B-1
L and R are the measured values