HP 3458A - Page 5

T .O . 33K8-4-551-1
Table 1 . (Cont .)
Test Instrument (TI)

Performance
Characteristics

Specifications
Test
Method
DC Current

Range : 0 to 1 ADC Compared to a known
DC Current
Accuracy:
Relative : ±(ppm of rdg + ppm of mg)
Absolute : ±[Sgrt(TI ppm of rdg^2 +
STD1 ppm of rdg^2 + STD2 ppm of rdg^2)
+ TI ppm of mg]
Range

Relative
100 nA *
I

30 + 400
1 µA * I

20 + 40
10µA *'

20+10
100 µA

20 + 8
1 and 10 mA

20 + 5
100mA

35+5
lA

110+ 10
Absolute
N/A
N/A
N/A
(20 + 5 .277 + 5) + 8
(20 + 5 .277 + 5) + 5
(35+5 .277+5)+5
(110+5
.277+6)+10
AC Voltage

Range : 0 to 1000 VAC
(Synchronous Sub-sampled Mode)
AC BAND <_2 MHz
Compared to an
AC Measurement
Standard or Calibrator
*2
Accuracy:
Relative : ±(% of rdg + % of mg)
Absolute:
±[Sgrt(TI % of rdg^2 + STD1 % of rdg^2 +
STD2 % of rdg^2) + TI % of mg +
STD1 µV + STD2 [IV]
Range

Frequency

Relative

Absolute
10 mV

1 to 20 Hz

0 .03 + 0 .03

(0 .03+0+0 .029)+0 .03+0+ 1 .3
20 to 40 Hz

0 .03 + 0 .03

(0 .03+0+0 .019)+0 .03+0+ 1 .3
40 Hz to 1 kHz

0 .02 + 0 .011

(0 .02 + 0 + 0 .011) + 0 .011 + 0 + 1 .3
1 to 20 kHz

0 .03 + 0 .011

(0 .03 +0+0 .011)+0 .011 + 0 + 1 .3
20to50kHz

0 .1+0 .011

(0
.1+0+0 .021)+0 .011+0+2
50 to 100 kHz

0 .5 + 0 .011

(0 .5+0+0 .031)+0 .011+0+2 .5
100 to 300 kHz

4 + 0 .02

(4+0+0 .081)+0 .02+0+4
See footnotes at end of Table .
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