Precision And Dephasing; Conditions Of Use - PCE MN 08 Mode D'emploi

4.3 Precision and dephasing

NB : Intrinsic error as µ of output signal
200 A calibre
Intensity in A~ 0.5 à 10 A 10 à 40 A 40 à 100 A 100 à 240 A
MN 08 - MN 09 - MN 10 - MN 11 - MN 12 - MN 13 - MN 14 - MN 15 - MN 38 - MN 39
≤ 3 %
Intrinsic error (1)
Dephasing (2)
MN 60
≤ 3.5 %
Intrinsic error (1)
Dephasing (2)
MN 88 - MN 89
≤ 5 %
Intrinsic error (1)
(1) + 0.5 mA (MN 08/09/10/11) or + 0.5 mV (MN 14/15) or + 5 mV (MN 12/13/38/39/60) or
+ 50 mV (MN 88/89) (2) Unspecified
200 A calibre
Intensity in A~ 0,1 à 1 A
≤ 5 % (1) ≤ 3 % (1) ≤ 1.5 %
Intrinsic error (1)
Dephasing (2)
MN 23 - MN 73
≤ 3 % (3) ≤ 2 % (3)
Intrinsic error (1)
Dephasing (2)
(1) + 20 mA (2) Unspecified (3) + 200 mV
20 A calibre
Intensity in A~
MN 38 - MN 39
Intrinsic error
MN 60
Intrinsic error
10 A calibre
Intensity in A~ 0.01 à 0.1 A
MN 71
≤ 3 % (1)
Intrinsic error
Dephasing (2)
(1) + 0,1 mV (2) Unspecified
2 A calibre
Intensity in A~ 0.01 à 0.1 A
MN 73
≤ 5 % (1)
Intrinsic error
(1) + 2 mV (2) + 1 mV

4.4 Conditions of use

The miniclamps must be used in the following conditions, in order to comply
with user safety and metrological performance requirements.
4.4.1 Overloads
Limit measuring time above 200 A.
Intensity I < 200 A~
Operation Permanent (1)
(1) With a frequency F < 1kHz and a peak factor Fc < 3
≤ 2.5 % ≤ 2 % ≤ 1 %
≤ 5 ° ≤ 3 ° ≤ 2.5 °
≤ 3 % ≤ 2,5 % ≤ 1.5 %
≤ 6 ° ≤ 4 ° ≤ 3 °
≤ 3 % ≤ 2 % ≤ 2 %
1 à 20 A 20 à 80 A 80 à 150 A 150 à 200 A
MN 21
≤ 3 % ≤ 5 %
≤ 2 ° ≤ 3 °
(2)
≤ 1 % ≤ 3 % ≤ 7 %
≤ 3 ° ≤ 2 ° ≤ 3 ° ≤ 4 °
0.1 à 20 A (24 A maxi)
≤ 1 % + 50 mV
≤ 2 % + 50 mV
0.1 à 1 A 1 à 5 A 5 à 12 A
≤ 2.5 % ≤ 1 %
≤ 5 ° ≤ 3 °
0.1 à 1 A 1 à 2 A 2 à 2.4 A
≤ 3 % (2) ≤ 1 %
200 A~ < I < 240 A~
10 min. ON
followed by 30 min. OFF
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