Keithley 2700 Service Manual

List of Illustrations
1 Performance Verification
Figure 1-1 Connections for Model 2700 DC volts verification ................1-8
Figure 1-2 Connections for Model 2700 AC volts verification .................1-9
Figure 1-3 Connections for Model 2700 DC current verification ...........1-11
Figure 1-4 Connections for Model 2700 AC current verification ...........1-12
Figure 1-5 Connections for Model 2700 resistance
verification (100 Ω to 10M Ω ranges) ...............................1-13
Figure 1-6 Connections for Model 2700 resistance
verification (100M Ω range) .............................................1-14
Figure 1-7 Connections for Model 2700 frequency verification .............1-17
Figure 1-8 Connections for Model 7700 DC volts verification ..............1-18
Figure 1-9 Connections for Model 7700 AC volts verification ...............1-20
Figure 1-10 Connections for Model 7700 DC current verification ...........1-22
Figure 1-11 Connections for Model 7700 AC current verification ...........1-24
Figure 1-12 Connections for Model 7700 resistance
verification (100 Ω to 10M Ω ranges) ...............................1-25
Figure 1-13 Connections for Model 7700 resistance
verification (100M Ω range) .............................................1-26
Figure 1-14 Connections for Model 7700 thermocouple
temperature verification ...................................................1-28
Figure 1-15 Connections for Model 7700 frequency verification .............1-30
Figure 1-16 Connections for Model 7700 ratio and
average verification ..........................................................1-31
2 Calibration
Figure 2-1 Low-thermal short connections ...............................................2-7
Figure 2-2 Connections for DC volts and ohms calibration .....................2-8
Figure 2-3 Connections for DC and AC amps calibration ......................2-10
Figure 2-4 Connections for AC volts calibration ....................................2-11
Figure 2-5 Function generator connections for
manufacturing calibration ................................................2-20
3 Routine Maintenance
Figure 3-1 Power module ..........................................................................3-3
Figure 3-2 Front terminal AMPS fuse ......................................................3-4
Figure 3-3 Model 7700 amps fuses ...........................................................3-5
Figure 3-4 Model 7702 amps fuses ...........................................................3-7
2700ServiceLOF.fm Page 6 Monday, March 13, 2000 11:34 AM

Keithley 2700 Specifications

General

Type	Digital Multimeter
Measurement Functions	DC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency, Temperature
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 500 kHz
Temperature Range	-200°C to +1372°C
Display	Vacuum Fluorescent Display
Connectivity	IEEE-488, RS-232
Channels	10
Power Supply	100V to 240V AC, 45Hz to 66Hz
DC Current Range	10 µA to 3 A
AC Current Range	10 µA to 3 A
Temperature Measurement	Thermocouple, RTD