Agilent Technologies 3458A Calibration Manual page 91

5 / AC Current
AC Current (ACI and ACDCI Functions)
Maximum
Range Full Scale Resolution
100 µA 120.0000 100 pA
1 mA 1.200000 1 nA
10 mA 12.00000 10 nA
100 mA 120.0000 100 nA
1 A 1.050000 1 µA
2
AC Accuracy
24 Hour to 2 Year (% Reading + % Range)
10 Hz to
Range 20 Hz
4 0.4+0.03
100 µA
1 mA – 100 mA 0.4+0.02
1 A 0.4+0.02
AC + DC Accuracy (ACDCI Function)
For ACDCI Accuracy apply the following additional error to the ACI accuracy.
(% of Reading + % of Range).
DC£10% of AC
Accuracy
Temperature Coefficient
0.005+0.02 0.0+.001
Additional Errors
Apply the following additional errors as appropriate to your particular measurement setup.
LOW Frequency Error ( % of Reading )
ACBAND Low
Signal 10 Hz-1 kHz 1 to 10 kHz
Frequency NPLC >10 NPLC >1
10–200 Hz 0
200–500 Hz 0 0.15
500–1 kHz 0 0.015
1–2 kHz 0 0
2–5 kHz 0 0
5–10 kHz 0 0
6
Reading Rates
ACBAND Low NPLC
³ 10 Hz
10
³1 kHz 1
³10 kHz 0.1
Shunt Burden
Resistance Voltage
730 W 0.1 V
100 W
0.1 V
10 W
0.1 V
1 W
0.25 V
0.1 W < 1.5 V
20 Hz to 45 Hz to 100 Hz to
45 Hz 100 Hz 5 kHz
0.15+0.03 0.06+0.03 0.06+0.03
0.15+0.02 0.06+0.02 0.03+0.02
0.16+0.02 0.08+0.02 0.1+0.02
DC>10% of AC
5
Accuracy
0.15+0.25
>10 kHz
NPLC >0.1
0.9
0.2
0.05
0.01
Maximum Sec / Reading
ACI ACDCI
1.2 1
1 0.1
1 0.02
Temperature Coefficient
(% of Reading + % of Range) / °C
0.002+0
0.002+0
0.002+0
0.002+0
0.002+0
5 kHz to 20 kHz to
3
20 kHz 50 kHz
0.06+0.02 0.4 +0.04
0.3+0.02 1+0.04
Temperature Coefficient
0.0+0.007
Crest Factor Error (% of Reading)
Crest Factor Additional Error
1 – 2 0
2 – 3 0.15
3 – 4 0.25
4 – 5 0.40
1. Additional error beyond
±1°C, but within ±5°C of last
1
ACAL.
2. Specifications apply full
scale to 1/20 full scale, for
sine wave inputs, crest factor
= 1.4, and following
PRESET within 24 hours
and ±1°C of last ACAL.
Add 5 ppm of reading
additonal error for Agilent
factory traceabiltiy to US
NIST. Traceability is the
sum of the 10V and 10 k
50 kHz to
traceability values.
3 3
100 kHz
3. Typical performance
4. 1 kHz maximum on the 100
0.55+0.15
µA range.
5
5. Additional error beyond
±1°C, but within ±5°C of
last ACAL
(% of Reading + % of
Range) /° C.
6. For DELAY–1; ARANGE
OFF. For DELAY 0;
NPLC.1, unspecified reading
rates of greater than
500/sec are possible.
Appendix A Specifications
W
91