Fluke 52120A - Coverage Factor K=2.00 (95 % Confidence Level)

52120A
Users Manual
1-18
Coverage factor k=2.00 (95 % confidence level)
Current Accuracy
Frequency
1-year accuracy, tcal
[1]
±5 °C ±(% of output + % of range
6105B 6100B
% of output % of range % of output % of range
DC 0.012 0.008 0.017 0.019
10 Hz to 850 Hz 0.009 0.002 0.021 0.002
850 Hz to 6 kHz 0.040 0.004 0.040 0.004
6 kHz to 10 kHz See Operated Stand Alone current accuracy table.
[1] tcal is the temperature at which calibration adjustment took place.
Notes:
Maximum inductance for stability LCOMP OFF is 100 μH. Maximum inductance for stability LCOMP ON is 400 μH for 2 A and 20 A
ranges. 100 μH on the 120 A range.
Phase Angle Accuracy
Frequency Accuracy
10 Hz to 69 Hz
0.005 °
69 Hz to 180 Hz
0.009 °
180 Hz to 450 Hz
0.020 °
450 Hz to 850 Hz
0.035 °
850 Hz to 3 kHz
0.250 °
3 kHz to 6 kHz
0.500 °
Maximum load dependent phase shift ................ <0.001 ° @ 60 Hz; increasing linearly to 0.006° @ 6 kHz.
Maximum Distortion and Noise
Frequency
Distortion
[1]
Noise
16 Hz to 10 MHz
LCOMP OFF LCOMP ON
dB Current dB Current
2 Amp Range
16 Hz to 850 Hz
-76
42 μA
-70
83 μA
-60 dB
850 Hz to 6 kHz
-52
662 μA
-46 1.3 mA -60 dB
6 kHz to 10 kHz
[2]
-40 2.6 mA -35 4.7 mA -60 dB
20 Amp Range
16 Hz to 850 Hz
-76
418 μA
-60 2.6 mA -70 dB
850 Hz to 6 kHz -52 6.6 mA -42 20.9 mA -70 dB
6 kHz to 10 kHz
[2]
-40 26.4 mA -35 46.9 mA -70 dB
120 Amp Range
16 Hz to 850 Hz -76 2.5 mA -60 15.8 mA -70 dB
850 Hz to 6 kHz -52 39.7 mA -42 125.7 mA -70 dB
6 kHz to 10 kHz
[2]
-40 158.2 ma -35 281.3 mA -70 dB
[1] Use dB or Current. Whichever is larger.
[2[ Interharmonics only above 6 kHz.