Keithley 2750 - Specific Troubleshooting Steps

Model 2750 Multimeter/Switch System User’s Manual Basic DMM Operation 3-9
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 3-2.
Figure 3-2
DCV and ACV connections using front panel inputs
Input Impedance = 1MΩ || <100pF
Caution: Maximum Input = 750V RMS, 1000V peak, 8 x 10 VHz
7
Input Resistance =10MΩ on 1000V and 100V ranges;
>10GΩ on 10V, 1V, and 100mV ranges.
Caution: Maximum Input = 1000V peak
A. DCV Connections
B. ACV Connections
DC Voltage
Source
AC Voltage
Source
Model 2750 Front Panel
Model 2750 Front Panel
3A, 250V
3A, 250V
!
F
500V
PEAK
FRONT/REAR
HI
INPUT
LO
SENSE
Ω 4 WIRE
INPUT
350V
PEAK
1000V
PEAK
R
CAT I
AMPS
AMPS
!
F
500V
PEAK
FRONT/REAR
HI
INPUT
LO
SENSE
Ω 4 WIRE
INPUT
350V
PEAK
1000V
PEAK
R
CAT I
2750-900-01.book Page 9 Wednesday, August 3, 2011 7:56 AM