5730A
Operators Manual
1-34
Operated within 5730A Control Loop (all current ranges)
The current accuracy of the 52120A, when controlled by a single 5730A, applies to the parallel output of up to three
52120As connected as slaves.
Coverage factor k=2.58 (99 % confidence level)
Current Accuracy
Frequency
1-year accuracy, tcal
[1]
±5 °C ±(% of output + % of range)
5730A
% of output % of range
DC 0.015 0.010
10 Hz to 850 Hz 0.011 0.003
850 Hz to 6 kHz 0.052 0.005
6 kHz to 10 kHz See Operated Stand Alone current accuracy table in the 52120A Users Manual.
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.
1. tcal is the temperature at which calibration adjustment took place.
Coverage factor k=2.00 (95 % confidence level)
Current Accuracy
Frequency
1-year accuracy, tcal
[1]
±5 °C ±(% of output + % of range)
5730A
% of output % of range
DC 0.012 0.008
10 Hz to 850 Hz 0.009 0.002
850 Hz to 6 kHz 0.040 0.004
6 kHz to 10 kHz See Operated Stand Alone current accuracy table in the 52120A Users Manual.
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.
1. tcal is the temperature at which calibration adjustment took place.
Maximum Distortion and Noise
Frequency
Distortion
[1]
Noise
16 Hz to 10 MHz
LCOMP OFF LCOMP ON
dBc Current dBc 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
Notes:
1. Use dB or Current. Whichever is larger.
2. Interharmonics only above 6 kHz.
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