Results for: United Arab Emirates
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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)
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
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
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
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
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
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
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
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
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
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

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General physics
Acoustics, Ultrasound, Vibration

This metrology area covers the fields of acoustics, ultrasound and vibration.

Electricity and Magnetism

This metrology area covers the fields of DC and AC measurements, impedance, electric and magnetic fields, radiofrequencies and measurements on materials.

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This metrology area covers the fields of laser frequencies and dimensional metrology.

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This metrology area covers the fields of mass standards, force, pressure, density, hardness, torque, gravity and viscosity.

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Chemistry and Biology

This metrology area covers all fields relevant to chemistry and biology.

Ionizing radiation
Ionizing Radiation

This metrology area covers the fields of dosimetry, radioactivity and neutron measurements.