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CIPM MRA PARTICIPANTS
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Results for: EURAMET-EM-FI-00000E74-6
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General physics
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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)
Finland, MIKES (VTT Technical Research Centre of Finland Ltd, Centre for Metrology/Mittatekniikan keskus)
High voltage and current , High AC current: current transformer ratio error : 0 % to 5 %
Current transformer, current transducer, merging unit
Absolute expanded uncertainty : 2.5E-5 to 1.0E-4
Uncertainty table
{"row_1":{"col_1":"Output signal","col_2":"Frequency","col_3":"Input current","col_4":"Uncertainty"},"row_2":{"col_1":"Voltage or current","col_2":"45 Hz to 65 Hz","col_3":"10 mA to 8000 A","col_4":"25E-6"},"row_3":{"col_1":"Voltage or current","col_2":"65 Hz to 250 Hz","col_3":"10 mA to 500 A","col_4":"50E-6"},"row_4":{"col_1":"Voltage or current","col_2":"250 Hz to 300 Hz","col_3":"10 mA to 250 A","col_4":"50E-6"},"row_5":{"col_1":"Voltage or current","col_2":"300 Hz to 350 Hz","col_3":"10 mA to 100 A","col_4":"50E-6"},"row_6":{"col_1":"Voltage or current","col_2":"350 Hz to 1000 Hz","col_3":"10 mA to 10 A","col_4":"100E-6"},"row_7":{"col_1":"Digital","col_2":"45 Hz to 1000 Hz","col_3":"10 mA to 20 A","col_4":"50E-6"}}
The expanded uncertainty given in this table are absolute values.
Comparison with reference standard
Frequency : 45 Hz to 1000 Hz
Input current : 10 mA to 8 kA
Output current : 10 mA to 20 A
Output voltage : 10 mV to 500 V
Digital output : According to IEC 61869-9
Approved on 21 October 2024
Institute service identifier : HV57n
CMC ID : EURAMET-EM-FI-00000E74-6
 

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