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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)
Mongolia, MASM (Mongolian Agency for Standardization and Metrology)
Mass ,
Mass
:
500 g
Mass standards
Absolute expanded uncertainty
:
0.27 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-13
CMC ID :
APMP-M-MN-00000LBE-1
Mass ,
Mass
:
1 kg
Mass standards
Absolute expanded uncertainty
:
0.4 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-14
CMC ID :
APMP-M-MN-00000LBF-1
Mass ,
Mass
:
5 kg
Mass standards
Absolute expanded uncertainty
:
2.2 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-16
CMC ID :
APMP-M-MN-00000LBH-1
AC voltage (up to the MHz range) ,
AC voltage (up to the MHz range): AC voltage up to 1100 V, meters
:
0.1 V to 1000 V
AC voltage meter, multimeter
Absolute expanded uncertainty
:
9.0E-3 mV to 1.1E2 mV
Uncertainty table
{"row_1":{"col_1":"<br data-cke-eol=\"1\"><strong>Voltage</strong>","col_2":"<strong contenteditable=\"true\">Expanded uncertainty</strong>","col_3":"<strong contenteditable=\"true\">Expanded uncertainty</strong><br>","col_4":"<strong contenteditable=\"true\">Expanded uncertainty</strong>","col_5":"<strong contenteditable=\"true\">Expanded uncertainty</strong>","col_6":"<strong contenteditable=\"true\">Expanded uncertainty</strong>","col_7":"<strong contenteditable=\"true\">Expanded uncertainty</strong>","col_8":"<strong contenteditable=\"true\">Expanded uncertainty</strong><br>","col_9":"<strong contenteditable=\"true\">Expanded uncertainty</strong><br>","col_10":"<strong>Expanded uncertainty</strong><br>","col_11":"<strong>Expanded uncertainty</strong><br>","col_12":"<strong contenteditable=\"true\">Expanded uncertainty</strong><br>"},"row_2":{"col_1":"<br>","col_2":"<strong>10 Hz</strong><br>","col_3":"<strong>40 Hz</strong><br>","col_4":"<strong>500 Hz</strong>","col_5":"<strong>1 kHz</strong><br>","col_6":"<strong>10 kHz</strong><br>","col_7":"<strong>20 kHz</strong><br>","col_8":"<strong>50 kHz</strong><br>","col_9":"<strong contenteditable=\"true\">100 kHz</strong><br>","col_10":"<strong contenteditable=\"true\">200 kHz</strong><br>","col_11":"<strong>500 kHz</strong><br>","col_12":"<strong>1 MHz</strong>"},"row_3":{"col_1":"<strong>100 mV</strong><br><br>","col_2":"0.017","col_3":"0.0090 ","col_4":"0.0090","col_5":"0.0090 <br>","col_6":"0.0090 ","col_7":"0.0090 ","col_8":"0.016 ","col_9":"0.016 ","col_10":"0.054 <br>","col_11":"0.069 ","col_12":"0.10"},"row_4":{"col_1":"<strong>1 V</strong>","col_2":"0.11","col_3":"0.090","col_4":"0.090","col_5":"0.090","col_6":"0.090","col_7":"0.090","col_8":"0.090","col_9":"0.11 ","col_10":"0.21 ","col_11":"0.34 ","col_12":"0.48"},"row_5":{"col_1":"<strong>10 V</strong><br><br>","col_2":"1.1","col_3":"0.92 ","col_4":"0.92 <br>","col_5":"0.92 <br>","col_6":"0.92 ","col_7":"0.92 ","col_8":"0.92 ","col_9":"1.1","col_10":"2.0<br><br>","col_11":"3.3<br>","col_12":"3.9"},"row_6":{"col_1":"<strong>100 V</strong><br>","col_2":"<br>","col_3":"9.1","col_4":"9.0 ","col_5":"9.0 ","col_6":"9.0 ","col_7":"9.0 <br><br>","col_8":"11","col_9":"16","col_10":"","col_11":"","col_12":"<br>"},"row_7":{"col_1":"<strong>1000 V</strong><br>","col_2":"<br>","col_3":"91 <br><br>","col_4":"90<br><br>","col_5":"92<br><br>","col_6":"93","col_7":"110 ","col_8":"<br>","col_9":"<br>","col_10":"<br>","col_11":"<br>","col_12":"<br>"}}
Direct measurement
Frequency : 10 Hz to 1 MHz
Temperature : 23 oC + 2 oC
Approved on 13 February 2023
Institute service identifier : EM-ACV-1
CMC ID :
APMP-EM-MN-00000NYP-1
DC voltage (up to 1100 V) ,
DC voltage meters, intermediate values
:
2.00E-3 V to 1000 V
DC voltmeter, multimeter
Absolute expanded uncertainty
:
1.1E-3 mV to 6.2 mV
Uncertainty table
{"row_1":{"col_1":"<strong>Voltage</strong>","col_2":"<strong>Expanded uncertainty</strong>"},"row_2":{"col_1":"2 mV ≤ <em>V</em> ≤ 100 mV","col_2":"0.0011"},"row_3":{"col_1":"100 mV < <em>V</em> ≤ 1 V","col_2":"0.005 <br><br>"},"row_4":{"col_1":"1 V < <em>V</em> ≤ 10 V","col_2":"0.045<br><br>"},"row_5":{"col_1":"10 < <em>V</em> ≤ 100 V","col_2":"0.49<br><br>"},"row_6":{"col_1":"100 V < <em>V</em> ≤ 1000 V","col_2":"6.2"}}
Direct measurement
Temperature : 23 °C + 2 °C
Approved on 19 February 2023
Institute service identifier : EM-DCV-1
CMC ID :
APMP-EM-MN-00000NYN-1
Mass ,
Mass
:
100 mg
Mass standards
Absolute expanded uncertainty
:
3.0E-3 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-02
CMC ID :
APMP-M-MN-00000LB3-1
Mass ,
Mass
:
200 mg
Mass standards
Absolute expanded uncertainty
:
4.0E-3 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-03
CMC ID :
APMP-M-MN-00000LB4-1
Mass ,
Mass
:
2 kg
Mass standards
Absolute expanded uncertainty
:
1 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-15
CMC ID :
APMP-M-MN-00000LBG-1
AC power ,
AC power: single phase (frequency <= 400 Hz)
:
1 W to 4.80E4 W
Power meter, power converter, power comparator, wattmeter
Relative expanded uncertainty
:
1.2E2 µW/VA to 1.7E2 µW/VA
Uncertainty table
{"row_1":{"col_1":"Method","col_2":"Current","col_3":"Relative expanded uncertainty"},"row_2":{"col_1":"Direct comparison","col_2":"<em>I</em> ≤ 100 A","col_3":"170"},"row_3":{"col_1":"Direct comparison<br>","col_2":"0.5 A ≤ <em>I</em> ≤ 50 A","col_3":"120"},"row_4":{"col_1":"Direct comparison<br>","col_2":"0.01 A ≤ <em>I</em> < 0.5 A","col_3":"170"}}
Direct comparision
Voltage : 100 V to 480 V
Frequency : 50 Hz
Current : 0.01 A to 100 A
Power factor : 1, 0.5L, 0.5C
Approved on 15 February 2023
Institute service identifier : EM-P-1
CMC ID :
APMP-EM-MN-00000NYL-1
Mass ,
Mass
:
500 mg
Mass standards
Absolute expanded uncertainty
:
6.0E-3 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-04
CMC ID :
APMP-M-MN-00000LB5-1
Mass ,
Mass
:
200 g
Mass standards
Absolute expanded uncertainty
:
0.1 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-12
CMC ID :
APMP-M-MN-00000LBD-1
AC power ,
AC power and energy: three phase
:
1 W to 1.44E5 W
Power meter, wattmeter, power comparator
Relative expanded uncertainty
:
1.2E2 µW/VA to 1.7E2 µW/VA
Uncertainty table
{"row_1":{"col_1":"Method","col_2":"Current","col_3":"Relative expanded uncertainty"},"row_2":{"col_1":"Direct comparison","col_2":"<em>I</em> ≤ 100 A","col_3":"170<br><br>"},"row_3":{"col_1":"Direct comparison<br>","col_2":"0.5 A ≤ <em>I</em> ≤ 50 A","col_3":"120<br><br>"},"row_4":{"col_1":"Direct comparison<br>","col_2":"0.01 A ≤ <em>I</em> < 0.5 A","col_3":"170"}}
Direct comparison
Voltage : 100 V to 480 V
Frequency : 50 Hz
Current : 0.01 A to 100 A
Power factor : 1, 0.5L, 0.5C
Approved on 15 February 2023
Institute service identifier : EM-P-2
CMC ID :
APMP-EM-MN-00000NYM-1
Mass ,
Mass
:
10 g
Mass standards
Absolute expanded uncertainty
:
1.9E-2 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-08
CMC ID :
APMP-M-MN-00000LB9-1
Mass ,
Mass
:
50 g
Mass standards
Absolute expanded uncertainty
:
3.3E-2 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-10
CMC ID :
APMP-M-MN-00000LBB-1
DC current (up to 100 A) ,
DC current meters intermediate values
:
0.01 A to 1 A
DC current meter, multimeter
Absolute expanded uncertainty
:
4.0E-4 mA to 9.3E-2 mA
Uncertainty table
{"row_1":{"col_1":"<strong>Current </strong><br>","col_2":"<strong>Expanded uncertainty</strong><br>"},"row_2":{"col_1":"<em> I</em> = 10 mA","col_2":"0.0004<br><br>"},"row_3":{"col_1":"10 mA < <em>I</em> ≤ 100 mA","col_2":"0.004<br><br>"},"row_4":{"col_1":"100 mA < <em>I </em>≤ 1 A <br>","col_2":"0.093"}}
Direct measurement
Temperature : 23 °C + 2 °C
Approved on 19 February 2023
Institute service identifier : EM-DCI-1
CMC ID :
APMP-EM-MN-00000NYO-1
Linear dimensions ,
central length L
:
0.5 mm to 100 mm
Gauge block
Absolute expanded uncertainty
:
7.0E1 nm to 1.5E2 nm
Q[70 nm,1.3E-06L]
Gauge blocks comparison by mechanical comparison method
ISO 3650:1998(E)
Approved on 31 October 2022
Institute service identifier : 01.003.01
CMC ID :
APMP-L-MN-00000NZR-1
Mass ,
Mass
:
1 mg to 50 mg
Mass standards
Absolute expanded uncertainty
:
2.0E-3 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-01
CMC ID :
APMP-M-MN-00000LB2-1
Mass ,
Mass
:
100 g
Mass standards
Absolute expanded uncertainty
:
5.3E-2 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-11
CMC ID :
APMP-M-MN-00000LBC-1
Mass ,
Mass
:
20 g
Mass standards
Absolute expanded uncertainty
:
2.2E-2 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-09
CMC ID :
APMP-M-MN-00000LBA-1
Mass ,
Mass
:
1 g
Mass standards
Absolute expanded uncertainty
:
9.0E-3 mg
Comparison in air
Air density : OIML R 111
Approved on 29 May 2020
Institute service identifier : M-05
CMC ID :
APMP-M-MN-00000LB6-1
