Keithley 2750 User Manual

3-38 Basic DMM Operation Model 2750 Multimeter/Switch System User’s Manual
Connections
NOTE 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.
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.
Figure 3-11
FREQ and PERIOD connections for front panel inputs
Model 7700 switching module
Connections for the Model 7700 switching module are shown in Figure 3-12. For this
2-wire measurement, channels 1 through 20 can be used.
Figure 3-12
FREQ and PERIOD connections using Model 7700 switching module
Input Impedance = 1MΩ in parallel with < 100pF
Caution: Maximum Input = 1000V peak, 8 x 10 VHz
7
Model 2750
Front Panel
AC Voltage
Source
3A, 250V
AMPS
!
F
500V
PEAK
FRONT/REAR
HI
INPUT
LO
SENSE
Ω
4 WIRE
INPUT
350V
PEAK
1000V
PEAK
R
CAT I
H
L
CH 1-20
Model 7700
Switching
Module
AC
Voltage
Source
Caution: Maximum = 300V peak or RMS, 8 x 10
7
VHz
2750-900-01.book Page 38 Wednesday, August 3, 2011 7:56 AM

Keithley 2750 Specifications

General

Interface	GPIB, RS-232, Ethernet
Switching Speed	Up to 500 channels/second
Maximum Voltage	300V
Operating Temperature	0°C to 50°C
Measurement Functions	DCV, ACV, DCI, ACI, 2-wire Resistance, 4-wire Resistance, Frequency, Temperature
Resolution	6.5 digits
Current	1A
Maximum Current	1A