Keithley 2700, Service Manual

Page: 20 / 174

1-4 Performance Verification
Recommended test equipment
Table 1-1 summarizes recommended verification equipment. 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 calibrator uncertainty will add to the uncertainty of each
measurement.
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 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
DC Current, 3A, ±500ppm
AC Current, 1kHz, 3A, ±457ppm
Keithley 3930A or 3940 Frequency Synthesizer:
1V RMS, 10V RMS, 1kHz, ±5ppm, steady state and burst modulation
General Radio 1433-T Precision Decade Resistance Box:
10
Ω
to 400
Ω
, ±0.02%
Miscellaneous Equipment:
Double banana plug to double banana plug shielded cables (2)
BNC to double banana plug shielded cable
NOTE: The Fluke 5725A amplifier is necessary only if you wish to verify the 750V AC range at 50kHz and 3A AC and DC current
ranges at 3A. Verification at 220V, 50kHz, and 2.2A on the current ranges using only the 5700A calibrator is adequate for
most applications.