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Keithley 2002 User Manual

Keithley 2002
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Front Panel Operation
2-3
Table 2-1
Data checked on power-up
Data Type of storage Memory option
IEEE-488 address
Power-on default
Electrically-erasable PROM
Electrically-erasable PROM
STD, MEM1, MEM2
STD, MEM1, MEM2
Calibration constants
Calibration dates
Electrically-erasable PROM
Electrically-erasable PROM
STD, MEM1, MEM2
STD, MEM1, MEM2
Instrument setups 1 in electrically-erasable PROM
4 more in non-volatile RAM
9 more in non-volatile RAM
STD, MEM1, MEM2
MEM1
MEM2
Reading buffer (Volatile RAM)
Non-volatile RAM
STD
MEM1, MEM2
Note: STD is standard memory, MEM1 is memory option #1, MEM2 is memory option #2.
Table 2-2
Power-up error messages
Message Action
Error +515,
Calibration dates lost
The cal dates are set to factory default values, but they are not stored into EEPROM.
To do this, perform a comprehensive calibration.
Error +514,
DC calibration data lost
DC cal constants are set to factory default values, but they are not stored into
EEPROM. To do this, perform a comprehensive calibration.
Error +513,
AC calibration data lost
AC cal constants are set to factory default values, but they are not stored into
EEPROM. To do this, perform a comprehensive calibration.
Error +512,
Power-on state lost
Power-on defaults are reset to factory defaults (bench) and stored into EEPROM.
Error +511,
GPIB address lost
GPIB address is reset to factory default (16) and stored into EEPROM.
Error +510,
Reading buffer data lost
The reading buffer controls are reset to factory defaults, but they are not stored into
NVRAM. To do this, store readings in the buffer.
Error -314,
Save/recall memory lost
Instrument setup is reset to bench defaults and stored into EEPROM.
Notes:
1. Any of these error conditions may occur the first time a unit is turned on or after replacing the firmware.
2. Error +510, Reading buffer data lost, applies to units with optional memory.
3. Error +512, Power-on state lost, may occur the first time the unit is powered-up after replacing the MEM2 memory option with MEM1.

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Keithley 2002 Specifications

General IconGeneral
Resolution8.5 digits
DC Voltage Accuracy±0.0006%
Maximum DC Voltage1000 V
Maximum AC Voltage750 V
Maximum DC Current3 A
Maximum AC Current3 A
ConnectivityGPIB, RS-232
DC Voltage Range100 mV to 1000 V
AC Voltage Range100 mV to 750 V
Resistance Range10 Ω to 1 GΩ
Model2002
CategoryMultimeter
InterfaceGPIB, RS-232
AC Current Accuracy±0.1%
Frequency Range0.1Hz to 300kHz
DisplayVFD
TypeDigital
Power Supply100-240V 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 Range100 μA to 3 A
AC Current Range100 μA to 3 A

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