Keithley 2010, Service Manual, Page: 16 / 134

Also, allow the test equipment to warm up for the minimum time specified by the
manufacturer.
Line power
The Model 2010 Multimeter requires a line voltage of 100V/120V/220V/240V, ±10% and a
line frequency of 45Hz to 66Hz and 360Hz to 440Hz.
Recommended test equipment
Table 1-1 summarizes recommended verification equipment. Use the Fluke Model 5700A
Calibrator (or the equivalent) to verify Model 2010 Multimeter measurement accuracy. You can
use alternate equipment as long as that equipment has specifications at least as good as those
listed in
Table 1-1 . Keep in mind, however, that the calibrator will add to the uncertainty of each
measurement. Table 1-1 lists the uncertainties of the recommended Fluke 5700A at each source
value.
Table 1-1
Recommended verification equipment
Fluke 5700A Calibrator:
DC voltage
AC voltage
(1kHz, 50kHz)*
DC current
AC current
(1kHz)
Resistance
100mV:±14ppm
1.0V:±7ppm
10V:±5ppm
100V:±7ppm
1000V:±9ppm 100mV:±200ppm
1.0V:±82ppm
10V:±82ppm
100V:±90ppm
700V:±85ppm 10mA:±60ppm
100mA:±70ppm
1A:±110ppm
2.2A:±94ppm 1A:±690ppm
2.2A:±682ppm 10
Ω
:±28ppm
100
Ω
:±17ppm
1k
Ω
:±12ppm
10k
Ω
:±11ppm
100k
Ω
:±13ppm
1M
Ω
:±18ppm
10M
Ω
:±37ppm
100M
Ω
:±120ppm
Fluke 5725A Amplifier:
AC Voltage, 50kHz: 700V, ±375ppm
Keithley 3930A or 3940 Frequency Synthesizer:
1V RMS, 1kHz, ±5ppm
General Radio 1433-T Precision Decade Resistance Box:
10
Ω
-400
Ω
, ±0.02%
*1kHz specifications shown. 5725A amplifier required to source 700V at 50kHz.
NOTE: The Fluke 5725A amplifier is necessary only if you wish to verify the 750V AC range at 50kHz.
Verification at 220V, 50kHz using only the 5700A calibrator is adequate for most applications.
Performance Verification 1-3