In this section:
Introduction .............................................................................. 5-1
Voltage source ......................................................................... 5-1
Analog outputs ......................................................................... 5-7
Using external feedback ......................................................... 5-10
Range and resolution ............................................................. 5-17
Zero check, relative, and zero correct .................................... 5-19
Introduction
This section contains detailed information on measurement options, such as using the voltage
source, analog output, and preamp output.
Voltage source
The built-in, bipolar, 1 W voltage source of the Keithley Instruments Model 6517B Electrometer can
source up to ±1000 V (the V-source may reach ± 1010 V if it is uncalibrated). The two voltage ranges
of the voltage source are summarized in the following table.
V-source ranges
Range Maximum output Step size
Voltage Current
100 V ±100 V ±10 mA 5 mV
1000 V ±1000 V ±1 mA 50 mV
The maximum common-mode voltage for the V-source is 750 V
peak
. That is, the voltage
between V-source LO and earth (chassis) ground must never exceed 750 V
peak
, and the
voltage between V-source HI and earth (chassis) ground must never exceed 1750 V
peak
.
Exceeding these values may create a shock hazard.
Hazardous voltages may be present on the output and guard terminals. To prevent
electrical shock that could cause injury or death, NEVER make or break connections to the
Model 6517B while the output is on. Power off the equipment from the front panel or
disconnect the main power cord from the rear of the Model 6517B before handling cables
connected to the outputs. Putting the equipment in standby mode does not guarantee that
the outputs are not powered if a hardware or software fault occurs.
Section 5
Measurement options
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