Keithley 2750 Service Manual

2-12 Calibration Model 2750 Multimeter/Switch System Service Manual
AC voltage calibration
Follow these steps for AC voltage calibration:
1. Connect the calibrator to the Model 2750 INPUT HI and LO terminals as shown in
Figure 2-4.
Figure 2-4
Connections for AC volts calibration
2. Perform the calibration steps summarized in Table 2-6. For each step:
• Set the calibrator to the indicated value, and make sure the calibrator is in
OPERATE.
• Press ENTER to complete each step.
• Wait until the Model 2750 completes each step.
Tab le 2- 6
AC voltage calibration summary
Calibration Step Calibrator Voltage, Frequency
10mV AC at 1kHz
100mV AC at 1kHz
100mV AC at 50kHz
1V AC at 1kHz
1V AC at 50kHz
10V AC at 1kHz
10V AC at 50kHz
100V AC at 1kHz
100V AC at 50kHz
700V AC at 1kHz
10.00000mV, 1kHz
100.0000mV, 1kHz
100.0000mV, 50kHz
1.000000V, 1kHz
1.000000V, 50kHz
10.00000V, 1kHz
10.00000V, 50kHz
100.0000V, 1kHz
100.0000V, 50kHz
700.000V, 1kHz
Input
HI
Input
LO
Output
LO
Output
HI
AC Voltage Calibrator
!
F
500V
PEAK
FRONT/REAR
AMPS
HI
INPUT
LO
SENSE
Ω 4 WIRE
INPUT
350V
PEAK
1000V
PEAK
R
CAT I
3A, 250V
Model 2750
Front Panel

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