Connections - Keithley 2750 User Manual

3-38 Basic DMM Operation

Connections

NOTE
Front panel input
When using the front panel input terminals, connect the test leads to the INPUT HI and
LO terminals as shown in
Figure 3-11
FREQ and PERIOD connections for front panel inputs
Input Impedance = 1MΩ in parallel with < 100pF
Caution: Maximum Input = 1000V peak, 8 x 10 VHz
Model 7700 switching module
Connections for the Model 7700 switching module are shown in
2-wire measurement, channels 1 through 20 can be used.
Figure 3-12
FREQ and PERIOD connections using Model 7700 switching module
Model 7700
Switching
Module
Caution: Maximum = 300V peak or RMS, 8 x 10
When using the front panel inputs, the INPUTS switch must be in the "F" (out)
position. For switching modules, it must be in the "R" (in) position.
Figure
Model 2750
Front Panel
SENSE
INPUT
Ω 4 WIRE
HI
350V 1000V
!
PEAK PEAK
LO
500V
PEAK
INPUT
F R
FRONT/REAR
CAT I AMPS
3A, 250V
H
CH 1-20
L
Model 2750 Multimeter/Switch System User's Manual
3-11.
7
AC
Voltage
Source
7
VHz
AC Voltage
Source
Figure 3-12. For this