Keithley 2002 Repair Manual

Troubleshooting
2-14
405 Series
405.1
405.2
405.3
405.4
405.5
405.6
405.7
405.8
406 Series
406.1
406.2
406.3
406.4
406.5
406.6
407 Series
407.1
407.2
407.3
408 Series
408.1
408.2
408.3
408.4
408.5
408.6
409 Series
409.1
409.2
409.3
409.4
409.5
409.6
Absolute Value (X10 Gain):
Gain Comparison (Large +DAC Out-
put)
Gain Comparison (Non-inverting)
Gain Comparison (Small +DAC Out-
put)
Gain Comparison (Non-inverting)
Gain Comparison (Small -DAC Out-
put)
Gain Comparison (Inverting)
Gain Comparison (Large -DAC Out-
put)
Gain Comparison (Inverting)
Sample and Hold Circuit:
Measure DAC Output (for test 406.3)
Sample and Hold Output (-1.13V)
Read Sample and Hold (for test
406.6)
Read DAC Output (for test 406.6)
Sample and Hold Output (-0.01V)
Sample and Hold Voltage Compari-
sons
Front End X1, /100, /500:
2V Range
200V Range
750V Range
/200 Frequency Compensation:
Circuit Setup (for test 408.2)
Step Response (for test 408.3)
Setup (for test 408.5) and Step Read-
ing (for test 408.6)
Same as Test 408.3 but no measure-
ment.
Step Response (for test 408.6)
/200 Frequency Compensation
/750 Frequency Compensation:
Circuit Setup (for test 409.2)
Step Response (for test 409.3)
Setup (for test 409.5) and Step Read-
ing (for test 409.6)
Same as Test 409.3 but no measure-
ment.
Step Response (for test 409.6)
/750 Frequency Compensation
Table 2-7(cont.)
Built-in test summary
Test Circuit tested/exercised
410 Series
410.1
411 Series
411.1
411.2
412 Series
412.1
412.2
412.3
412.4
412.5
412.6
412.7
412.8
412.9
412.10
500 Series
500.1
500.2
500.3
500.4
500.5
500.6
500.7
501 Series
501.1
501.2
502 Series
502.1
600 Series
600.1
600.2
True RMS Converter:
True RMS Converter
Filters:
True RMS Filter
Full-wave Rectifier Filter
Frequency:
Frequency, Phase 1
Frequency, Phase 2
Frequency, Phase 3
Frequency, Phase 4
Frequency, Phase 5
Frequency, Phase 6
Frequency, Phase 7
Frequency, Phase 8
Frequency, Phase 9
Frequency, Phase 10
Amps/LO Ohms:
96µA Ohms/200µA DCA Range
960µA Ohms/2mA DCA Range
7.2mA Ohms/2mA DCA Range
20mA DCA Range
Baseline Reading (for tests 500.6 and
500.7)
200mA DCA Range
2A DCA Range
Amps Protection:
Amps Protection
Amps Bootstrap
ACA Switch
AC Amps Switch
Ohms Sense:
Ohms Sense HI
Ohms Sense LO
Table 2-7(cont.)
Built-in test summary
Test Circuit tested/exercised

Keithley 2002 Specifications

General

Resolution	8.5 digits
DC Voltage Accuracy	±0.0006%
Maximum DC Voltage	1000 V
Maximum AC Voltage	750 V
Maximum DC Current	3 A
Maximum AC Current	3 A
Connectivity	GPIB, RS-232
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	10 Ω to 1 GΩ
Model	2002
Category	Multimeter
Interface	GPIB, RS-232
AC Current Accuracy	±0.1%
Frequency Range	0.1Hz to 300kHz
Display	VFD
Type	Digital
Power Supply	100-240V AC, 50/60Hz
Current Range (DC)	100 μA to 3 A
Current Accuracy (DC)	±0.01%
Current Range (AC)	100 μA to 3 A
Current Accuracy (AC)	±0.1%
DC Current Range	100 μA to 3 A
AC Current Range	100 μA to 3 A