Results for: Uzbekistan
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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)
Uzbekistan, UzNIM (Uzbek National Institute of Metrology)
Time interval ,
Time interval
:
1.00E-8 s to 1.00E-6 s
Rise/fall time source
Absolute expanded uncertainty
:
0.4 ns to 1.5E1 ns
Time interval counter
Maximum signal level : 5 V
Impedance : 50 Ω
Excluded DUT's effect
Approved on 20 March 2026
Institute service identifier : UzNIM-TF-004
CMC ID :
COOMET-TF-UZ-00000QZZ-1
Ionizing radiation
Ambient dose equivalent/rate
,
Protection level ionisation chamber and dosimeter
: 0.025 mSv/h to 54.4 mSv/h
Relative expanded uncertainty 4.3 % to 4.4 %
Calibration against a secondary standard free in air
Cs-137, ISO 4037:2019
Reference standard : Secondary standard ionization chamber
Source of traceability : IAEA
Approved on 06 March 2025
Institute service identifier : COO-RAD-UzNIM-1004
CMC ID :
COOMET-RI-UZ-00000QBV-1
Ionizing radiation
Ambient dose equivalent/rate
,
Protection level ionisation chamber and dosimeter
: 0.04 mSv/h to 200 mSv/h
Relative expanded uncertainty 4.4 % to 4.5 %
Calibration against a secondary standard free in air
X-ray, 50 kV to 300 kV, ISO 4037:2019, Narrow Series, 60 kV to 200 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : IAEA
Approved on 06 March 2025
Institute service identifier : COO-RAD-UzNIM-1005
CMC ID :
COOMET-RI-UZ-00000QCZ-1
Time scale difference ,
Time scale difference
:
-1 s to 1 s
Local clock vs UTC (UZ)
Absolute expanded uncertainty
:
2 ns
Time interval measurement
Pulse amplitude: : 1 V to 5 V (50 Ω)
Excluded DUT's effect
Approved on 26 September 2025
Institute service identifier : UzMIM-TF-001
CMC ID :
COOMET-TF-UZ-00000QS8-1
Time interval ,
Time interval
:
1.00E-8 s to 1000 s
Pulse width source
Absolute expanded uncertainty
:
0.3 ns to 1 ns
Time interval counter
Slewing rate : 0.16 V/ns
Impedance : 50 Ω
Maximum signal level : 5 V
Excluded DUT's effect
Approved on 20 March 2026
Institute service identifier : UzNIM-TF-005
CMC ID :
COOMET-TF-UZ-00000R00-1
Time interval ,
Time interval
:
1.00E-8 s to 1000 s
Period source
Absolute expanded uncertainty
:
0.3 ns to 1 ns
Time interval counter
Slewing rate : 0,16 V/ns
Maximum signal level : 5 V
Impedance : 50 Ω
Excluded DUT's effect
Approved on 20 March 2026
Institute service identifier : UzNIM-TF-003
CMC ID :
COOMET-TF-UZ-00000QZY-1
Colour and other spectral.-int. meas. of materials ,
Colour, surface, L*a*b*
Diffusely-reflecting material
Absolute expanded uncertainty
:
0.17 to 1.1
Uncertainty table
{"row_1":{"col_1":"quantity","col_2":"lower limit","col_3":"upper limit"},"row_2":{"col_1":"L*","col_2":"0.17","col_3":"0.56"},"row_3":{"col_1":"a*","col_2":"0.53","col_3":"1.12"},"row_4":{"col_1":"b*","col_2":"0.23","col_3":"0.58"}}
Integrating sphere spectrophotometer, geometry of lighting/observation: 8º/di
1. ISO/CIE 11664-4:2019(E) 2. CIE 15:2018
Specific measurement conditions : lighting/observation geometry: 8º/di
Type of material : diffusely-reflecting material
Approved on 16 May 2024
CMC ID :
COOMET-PR-UZ-00000P2F-1
DC voltage (up to 1100 V) ,
DC voltage meters: intermediate values
:
0.1 V to 1000 V
DC voltmeter, multimeter, multifunction transfer standard
Relative expanded uncertainty
:
6.5 µV/V to 1.4E1 µV/V
Uncertainty table
{"row_1":{"col_1":"Value","col_2":"Expanded uncertainty (µV/V)"},"row_2":{"col_1":"100 mV","col_2":"14"},"row_3":{"col_1":"100 V","col_2":"6.5"},"row_4":{"col_1":"1000 V","col_2":"9.5"}}
Direct measurement with calibrator
Approved on 31 March 2026
CMC ID :
COOMET-EM-UZ-00000QP5-1
Colour and other spectral.-int. meas. of materials ,
Colour, surface, x, y, Y
Diffusely-reflecting material
Absolute expanded uncertainty
:
8.0E-4 to 1
Uncertainty table
{"row_1":{"col_1":"quantity","col_2":"lower limit","col_3":"upper limit"},"row_2":{"col_1":"Y","col_2":"0.16","col_3":"1.0"},"row_3":{"col_1":"x","col_2":"0.0008","col_3":"0.0026"},"row_4":{"col_1":"y","col_2":"0.001","col_3":"0.0024"}}
Integrating sphere spectrophotometer, geometry of lighting/observation: 8º/di
1. ISO/CIE 11664-4:2019(E) 2. CIE 15:2018
Specific measurement conditions : lighting/observation geometry: 8°/di
Type of material : Diffusely-reflecting material
Approved on 16 May 2024
CMC ID :
COOMET-PR-UZ-00000P2J-1
Time scale difference ,
Time scale difference
:
-1 s to 1 s
Local clock vs UTC
Absolute expanded uncertainty
:
5.0E1 ns
Time interval measurement
Prediction time : 20 days
Excluded DUT's effect
Approved on 11 November 2025
Institute service identifier : UzNIM-TF-002
CMC ID :
COOMET-TF-UZ-00000QS9-1
Time interval ,
Time interval
:
1.00E-8 s to 1000 s
Time difference source
Absolute expanded uncertainty
:
1.5 ns to 2 ns
Time interval measurement
Slewing rate : 0.16 V/ns
Impedance : 50 Ω
Maximum signal level : 5 V
Excluded DUT's effect
Approved on 20 March 2026
Institute service identifier : UzNIM-TF-006
CMC ID :
COOMET-TF-UZ-00000R1B-1
Time interval ,
Time interval
:
1.00E-8 s to 1000 s
Delay source
Absolute expanded uncertainty
:
1.5 ns to 2 ns
Time interval counter
Slewing rate : 0.16 V/ns
Impedance : 50 Ω
Maximum signal level : 5 V
Excluded DUT's effect
Approved on 20 March 2026
Institute service identifier : UzNIM-TF-008
CMC ID :
COOMET-TF-UZ-00000R1D-1
Ionizing radiation
Kerma/rate
,
Protection level ionization chambers
: 0.02 mGy/h to 45 mGy/h
Relative expanded uncertainty 1.4 % to 1.7 %
Calibration against a secondary standard free in air
Cs-137, ISO 4037:2019
Reference standard : Secondary standard ionization chamber
Source of traceability : IAEA
Approved on 09 May 2024
Institute service identifier : COO-RAD-UzNIM-1001
CMC ID :
COOMET-RI-UZ-00000PFU-1
Ionizing radiation
Kerma/rate
,
Protection level ionization chambers
: 0.05 mGy/h to 120 mGy/h
Relative expanded uncertainty 1.8 % to 1.9 %
Calibration against a secondary standard free in air
X-ray, 10 kV to 50 kV, ISO 4037:2019, Narrow Series, 40 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : IAEA
Approved on 09 May 2024
Institute service identifier : COO-RAD-UzNIM-1002
CMC ID :
COOMET-RI-UZ-00000PG7-1
Ionizing radiation
Kerma/rate
,
Protection level ionization chambers
: 0.03 mGy/h to 120 mGy/h
Relative expanded uncertainty 1.8 % to 1.9 %
Calibration against a secondary standard free in air
X-ray, 50 kV to 300 kV, ISO 4037:2019, Narrow Series, 60 kV to 200 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : IAEA
Approved on 09 May 2024
Institute service identifier : COO-RAD-UzNIM-1003
CMC ID :
COOMET-RI-UZ-00000PLE-1
Ionizing radiation
Ambient dose equivalent/rate
,
Protection level ionisation chamber and dosimeter
: 0.06 mSv/h to 140 mSv/h
Relative expanded uncertainty 4.4 % to 4.5 %
Calibration against a secondary standard free in air
X-ray, 10 kV to 50 kV, ISO 4037:2019, Narrow Series, 40 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : IAEA
Approved on 06 March 2025
Institute service identifier : COO-RAD-UzNIM-1006
CMC ID :
COOMET-RI-UZ-00000QGO-1
DC resistance ,
DC resistance meter: intermediate values
:
10 kΩ to 1000 kΩ
Ohmmeter, multimeter, multifunction transfer standard, resistance bridge
Relative expanded uncertainty
:
1.5 µΩ/Ω to 1.6E1 µΩ/Ω
Uncertainty table
{"row_1":{"col_1":"Nominal value<br type=\"_moz\">","col_2":"Expanded uncertainty / (µΩ/Ω)"},"row_2":{"col_1":"10 kΩ ","col_2":"1.5"},"row_3":{"col_1":"1 MΩ","col_2":"16"}}
Direct measurement with calibrator
Approved on 03 February 2026
CMC ID :
COOMET-EM-UZ-00000QP7-1
Time interval ,
Time interval
:
1000 s to 1.00E5 s
Time difference source
Absolute expanded uncertainty
:
2 ns to 1.5E1 ns
Time interval counter
Slewing rate : 0.16 V/ns
Impedance : 50 Ω
Maximum signal level : 5 V
Excluded DUT's effect
Approved on 20 March 2026
Institute service identifier : UzNIM-TF-007
CMC ID :
COOMET-TF-UZ-00000R1C-1
