Section 5: Measurement options Model 6517B Electrometer Reference Manual
5-8 6517B-901-01 Rev. C / August 2015
2 V analog output
The 2 V ANALOG OUTPUT provides a scaled 0 to 2 V output that is non-inverting in the volts mode.
Connections for using this output are shown in the following figure. For a full-range input, the output is
2 V; typical examples are listed in the table below. The 2V ANALOG OUTPUT signal is not corrected
during calibration. Gain errors of up to 15 % may appear at this output, depending on function and
range selection.
Note that the output impedance is 10 k; to minimize the effects of loading, the input impedance of
the device connected to the 2 V ANALOG OUTPUT should be as high as possible. For example, with
a device with an input impedance of 10 M, the error due to loading is approximately 0.1 %.
Typical 2 V analog output values
Range
Applied
signal
Nominal 2V analog output
value*
20 pA
2 µA
200 V
20 nC
10.4 pA
1.65 µA
35 V
19 nC
-1.04 V
-1.65 V
0.35 V
-1.9 V
*Output values within ± 15 % of nominal value.
Figure 57: Typical 2 V analog output connections
Figure 58: Typical 2 V analog output connections - equivalent circuit
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