Keithley 2010 Service Manual

Preparing the Model 2010 for calibration
1. Connect the Model 2010 to the IEEE-488 bus of the computer using a shielded
IEEE-488 cable, such as the Keithley Model 7007, or connect the unit to a computer
through the RS-232 port using a straight-through 9-pin to 9-pin cable (use a 9-25-pin
adapter if necessary).
2. Turn on the Model 2010, and allow it to warm up for two hours before performing
calibration.
3. Select the DCV function, and choose SLOW as the rate (integration time = 5PLC).
4. Make sure the primary address of the Model 2010 is the same as the address specified in
the program that you will be using to send commands. Use the GPIB key.
5. Unlock the calibration function by sending this command:
:CAL:PROT:CODE 'KI002010'
(The above command shows the default code, KI002010. Substitute the correct code if
changed.)
6. Send the following command to initiate calibration:
:CAL:PROT:INIT
Short and open calibration
1. Connect the Model 8610 low-thermal short to the instrument INPUT and SENSE
terminals as shown in Figure 2-1. Make sure the INPUTS button is not pressed in so that
the front inputs are active. Wait at least three minutes before proceeding to allow for
thermal equilibrium.
NOTE Be sure to connect the low-thermal short properly to the HI, LO, and SENSE
terminals. Keep drafts away from low-thermal connections to avoid thermal drift,
which could affect calibration accuracy.
2. Send the following command:
:CAL:PROT:DC:STEP1
3. After the Model 2010 completes this step, remove the low-thermal short and send this
command:
:CAL:PROT:DC:STEP2
2-14 Calibration

Keithley 2010 Specifications

General

Frequency Range	3 Hz to 300 kHz
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
DC Current Range	3 A
DC Current Accuracy	0.05%
AC Current Range	3 A
Resistance Accuracy	0.01%
Interface	GPIB, RS-232
Power Supply	50 Hz or 60 Hz

Summary

Warranty Information

Safety Precautions for Model 2010

Electrical Safety Guidelines

Details critical electrical safety practices and hazard awareness.

Symbol Explanations and Warnings

Troubleshooting the Model 2010

Front Panel Key and Display Tests

Display Board Troubleshooting Checks

Power Supply Troubleshooting Checks

Digital Circuitry Troubleshooting Checks

No Communication Link Error Diagnosis

Troubleshooting steps for communication link errors.

Performance Verification Procedures

Line Power and Recommended Test Equipment

Verification Limits and Factory Defaults

Verification Procedure Summary

Verifying DC Voltage Accuracy

Procedure for checking DC voltage measurement accuracy.

Verifying AC Voltage Accuracy

Procedure for checking AC voltage measurement accuracy.

Verifying DC Current Accuracy

Procedure for checking DC current measurement accuracy.

Verifying AC Current Accuracy

Procedure for checking AC current measurement accuracy.

Verifying Resistance Accuracy

Procedure for checking resistance measurement accuracy.

Verifying Temperature Accuracy

Procedure for checking temperature measurement accuracy.

Verifying Frequency and Ratio Measurements

Procedures for verifying frequency and ratio functions.

Calibration Procedures

Calibration Considerations and Codes

Comprehensive Calibration and Cycle

Recommended Calibration Equipment

Front Panel Calibration Steps

Front Panel Short and Open Calibration

Procedure for front panel short and open circuit calibration.

DC Voltage Calibration

Steps for calibrating the DC voltage function.

Resistance Calibration

Steps for calibrating the resistance function.

DC Current Calibration

Steps for calibrating the DC current function.

AC Voltage Calibration

Steps for calibrating the AC voltage function.

AC Current Calibration and Dates

Steps for AC current calibration and setting dates.

Remote Calibration Procedures

Remote DC Calibration Steps

Detailed steps for remote DC calibration.

Remote AC Calibration Steps

Detailed steps for remote AC calibration.

Manufacturing Calibration Overview

Front Panel Manufacturing Calibration

Remote Manufacturing Calibration

Calibration Error Summary

Replaceable Parts Information

Introduction and Parts Lists

Ordering Information and Factory Service

Instrument Specifications

DC Characteristics and Noise Performance

Details DC characteristics, noise, and operating speeds.

AC Characteristics and System Speeds

Details AC characteristics, system speeds, and errors.

Frequency, Temperature, and Interface Specs

Accuracy Calculation Methods

Explains how to calculate DC and AC measurement accuracy.

Calibration Command Reference

Miscellaneous Calibration Commands

DC Calibration Command Reference

Reference for commands related to DC calibration steps.

AC Calibration Command Reference

Reference for commands related to AC calibration steps.

Error Summary and Handling