Results for: United Arab Emirates
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Geographical location
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)
United Arab Emirates, EMI (Emirates Metrology Institute)
Frequency , Frequency : 5 MHz
Frequency counter
Relative expanded uncertainty : 1.2E-11 Hz/Hz
Direct frequency measurement
Gate time  : 5 s
Number of measurements : 100
Approved on 01 October 2020
Institute service identifier : CP-E-09
CMC ID : GULFMET-TF-AE-00000KXG-4
 
Mass , Mass : 10 g to 100 g
Mass standard
Absolute expanded uncertainty : 6 µg to 1.9E1 µg
Comparison in air
Uncertainty scales with measurand level The volume of the mass standards is known
Approved on 31 August 2023
CMC ID : GULFMET-M-AE-00000OJD-1
 
AC power , AC power and energy: three phase (frequency <= 400 Hz), reactive energy : 0.12 var h to 5.88E4 var h
Reactive energy meter
Relative expanded uncertainty : 2.7E2 µvar h (VAh)-1
Comparison with reference standard
Voltage : 30 V to 490 V
Current : 4 mA to 120 A
Phase  : 0 to 1,  inductive or capacitive; 
Frequency : 45 Hz to 65 Hz
Approved on 10 February 2022
Institute service identifier : CP-E-31
CMC ID : GULFMET-EM-AE-00000LJ4-1
 
DC voltage (up to 1100 V) , DC voltage sources, single values : 1.018 V to 10 V
Solid state voltage standard
Absolute expanded uncertainty : 2.6 µV to 7.3 µV
{"row_1":{"col_1":"","col_2":"Expanded uncertainty"},"row_2":{"col_1":"1.018 V","col_2":"2.6"},"row_3":{"col_1":"10 V","col_2":"7.3"}}
The expanded uncertainties given in this table are expressed in μV
Direct comparison with reference standard
Approved on 23 February 2022
Institute service identifier : CP-E-03
CMC ID : GULFMET-EM-AE-00000LIZ-1
 
AC power , AC power and energy: single phase (frequency <= 400 Hz), reactive power : 0.125 var to 6.00E4 var
Reactive power meter
Relative expanded uncertainty : 4.0E1 µvar/VA
Comparison with reference standard
Voltage : 1 V to 500 V
Current : 0.125 A to 120 A
Phase : 0 to 1, inductive or capacitive
Frequency : 45 Hz to 65 Hz
Approved on 10 February 2022
Institute service identifier : CP-E-30
CMC ID : GULFMET-EM-AE-00000NEL-1
 
AC power , AC power and energy: single phase (frequency <= 400 Hz), active power : 0.125 W to 6.00E4 W
Power meter
Relative expanded uncertainty : 2.5E1 µW/VA
Comparison with reference standard
Voltage : 1 V to 500 V
Current : 0.125 A  to 120 A
Phase : 0 to 1, inductive or capacitive
Frequency : 45 Hz to 65 Hz
Approved on 10 February 2022
Institute service identifier : CP-E-30
CMC ID : GULFMET-EM-AE-00000NEK-1
 
Mass , Mass : 0.1 g to 1 g
Mass standard
Absolute expanded uncertainty : 1.6 µg to 6.6 µg
Comparison in air
Uncertainty scales with measurand level The volume of the mass standards is known
Approved on 31 August 2023
CMC ID : GULFMET-M-AE-00000OJB-1
 
Mass , Mass : 1 g to 10 g
Mass standard
Absolute expanded uncertainty : 4 µg to 6 µg
Comparison in air
Uncertainty scales with measurand level The volume of the mass standards is known
Approved on 17 June 2023
CMC ID : GULFMET-M-AE-00000OJC-1
 
DC resistance , DC resistance standards and sources: intermediate values : 10 Ω to 1.00E4 Ω
Standard resistor
Relative expanded uncertainty : 0.43 µΩ/Ω to 0.57 µΩ/Ω
{"row_1":{"col_1":"<br>","col_2":"Relative expanded uncertainty"},"row_2":{"col_1":"10&nbsp;Ω","col_2":"0.43"},"row_3":{"col_1":"25&nbsp;Ω","col_2":"0.49"},"row_4":{"col_1":"100&nbsp;Ω","col_2":"0.49"},"row_5":{"col_1":"1 kΩ","col_2":"0.54"},"row_6":{"col_1":"10 kΩ","col_2":"0.57"}}
The relative expanded uncertainties given in this table are expressed in μΩ/Ω
DCC bridge
Oil or air bath temperature : 20 °C to 25 °C
Approved on 03 March 2022
Institute service identifier : CP-E-02
CMC ID : GULFMET-EM-AE-00000LJ0-1
 
DC resistance , DC resistance standards and sources: intermediate values : 0.1 Ω to 1 Ω
Standard resistor
Relative expanded uncertainty : 0.43 µΩ/Ω
{"row_1":{"col_1":"<br>","col_2":"Relative expanded uncertainty"},"row_2":{"col_1":"0.1&nbsp;Ω","col_2":"0.43"},"row_3":{"col_1":"1&nbsp;&Omega;","col_2":"0.43"}}
The relative expanded uncertainties given in this table are expressed in μΩ/Ω
DCC bridge
Oil or air bath temperature : 20 °C to 25 °C
Approved on 19 February 2023
Institute service identifier : CP-E-02
CMC ID : GULFMET-EM-AE-00000NXP-1
 
Mass , Mass : 1 kg to 10 kg
Mass standard
Absolute expanded uncertainty : 8.0E-2 mg to 1.6 mg
Comparison in air
Uncertainty scales with measurand level The volume of the mass standards is known
Approved on 17 June 2023
CMC ID : GULFMET-M-AE-00000OJF-1
 
AC power , AC power and energy: three phase (frequency <= 400 Hz), active energy : 0.12 Wh to 5.88E4 Wh
Energy meter
Relative expanded uncertainty : 2.6E2 µWh (VAh)-1
Comparison with reference standard
Voltage : 30 V to 490 V
Current : 4 mA to 120 A
Phase  : 0 to 1,  inductive or capacitive; 
Frequency : 45 Hz to 65 Hz
Approved on 10 February 2022
Institute service identifier : CP-E-31
CMC ID : GULFMET-EM-AE-00000LJ3-1
 
Frequency , Frequency : 1 MHz to 350 MHz
General frequency source
Relative expanded uncertainty : 1.2E-11 Hz/Hz
Direct frequency measurement
Amplitude  : > 0.5 Vp-p
Averaging time : 500 s
Approved on 01 October 2020
Institute service identifier : CP-E-01
CMC ID : GULFMET-TF-AE-00000KXE-11
 
Frequency , Frequency : 10 MHz
Frequency counter
Relative expanded uncertainty : 1.2E-11 Hz/Hz
Direct frequency measurement
Gate time  : 5 s
Number of measurements : 100
Approved on 01 October 2020
Institute service identifier : CP-E-09
CMC ID : GULFMET-TF-AE-00000KXH-5
 
Frequency , Frequency : 1 MHz
Frequency counter
Relative expanded uncertainty : 1.2E-11 Hz/Hz
Direct frequency measurement
Gate time  : 5 s
Number of measurements : 100
Approved on 01 October 2020
Institute service identifier : CP-E-09
CMC ID : GULFMET-TF-AE-00000KXF-4
 
Mass , Mass : 0.1 kg to 1 kg
Mass standard
Absolute expanded uncertainty : 1.8E1 µg to 8.0E1 µg
Comparison in air
Uncertainty scales with measurand level The volume of the mass standards is known
Approved on 17 June 2023
CMC ID : GULFMET-M-AE-00000OJE-1
 

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