Keithley 2303 - Page 104

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Keithley Instruments, Inc.

28775 Aurora Road

Cleveland, Ohio 44139

Printed in the U.S.A.

深圳德标仪器 135-1095-0799

Main Page

Table of Contents7
Performance Verification12
Introduction13
Verification Test Requirements13
Environmental Conditions13
Warm-Up Period13
Line Power14
Recommended Test Equipment14
Resistor Connections14
Recommended Verification Equipment14
Resistor Considerations15
Verification Limits15
Example Limits Calculation15
Test Resistor Connections15
Performing the Verification Test Procedures16
Test Summary16
Test Considerations16
Instrument Programming16
Output Voltage Accuracy16
Output Voltage Accuracy Limits17
Voltage Readback Accuracy18
Compliance Current Accuracy18
Voltage Readback Accuracy Limits18
Current Readback Accuracy20
5A Range Readback Accuracy20
Compliance Current Accuracy Limits20
Models 2303 and 2303B 5Ma Range Readback Accuracy21
Connections for Model 2303 and 2303B21
5A Range Current Readback Accuracy Limits21
Model 2303-PJ 500Ma Range Readback Accuracy22
Model 2303 and 2303B 5Ma Range Current Readback Accuracy Limits22
Digital Voltmeter Input Accuracy24
Model 2303-PJ 500Ma Range Current Readback Accuracy Limits24
Digital Voltmeter Input Accuracy Limits25
Calibration26
Introduction27
Environmental Conditions27
Temperature and Relative Humidity27
Warm-Up Period27
Line Power27
Calibration Considerations27
Calibration Cycle28
Recommended Calibration Equipment28
Resistor Connections28
Resistor Considerations29
Front Panel Calibration29
Model 2303 Front Panel Calibration29
Test Resistor Connections29
Connections for Voltage Calibration31
Connections for 5A Current Calibration32
Connections for 5Ma Range Calibration33
Calibration34
Model 2303-PJ Front Panel Calibration35
Connections for 500Ma Range Calibration37
Calibration38
Model 2303-PJ Front Panel Calibration Summary38
Remote Calibration39
Remote Calibration Commands39
Remote Calibration Command Summary39
Remote Calibration Display40
Models 2303 and 2303B Remote Calibration Procedure40
Models 2303 and 2303B Remote Calibration Summary42
Model 2303-PJ Remote Calibration Procedure43
Model 2303-PJ Remote Calibration Summary45
Changing the Calibration Code46
Changing the Code from the Front Panel46
Changing the Code by Remote46
Resetting the Calibration Code47
Viewing Calibration Date and Count47
Viewing Date and Count from the Front Panel47
Acquiring Date and Count by Remote47
Disassembly48
Introduction49
Handling and Cleaning49
Handling PC Boards49
Solder Repairs49
Static Sensitive Devices49
Assembly Drawings50
Disassembly Procedures50
Case Cover Removal50
Analog Board Removal51
Digital Board Removal51
Front Panel Disassembly51
Removing Mechanical Components52
Instrument Re-Assembly52
Replaceable Parts54
Ordering Information54
Factory Service54
Parts Lists and Component Layouts54
Models 2303 and 2303-PJ Parts Lists55
Replaceable Parts55
Models 2303 and 2303-PJ Digital Board Parts List55
Models 2303 and 2303-PJ Analog Board Parts List60
Models 2303 and 2303-PJ Display Board Parts64
Models 2303 and 2303-PJ Mechanical Parts List65
Model 2303B Parts Lists66
Model 2303B Analog Board Parts List71
Model 2303B Mechanical Parts List75
Specifications76
Accuracy Calculations80
Output and Compliance Accuracy80
Readback Accuracy80
Digital Voltmeter Input Accuracy80
B Calibration Reference Introduction82
Command Summary83
Remote Calibration Command Summary83
Miscellaneous Commands84
Calibration Step Summary86
Detecting Calibration Errors87
Reading the Error Queue87
Error Summary87
Status Byte EAV (Error Available) Bit87
Calibration Errors87
Generating an SRQ on Error88
Detecting Calibration Step Completion88
Using the *OPC Command88
Using the *OPC? Query88
Generating an SRQ on Calibration Complete89
C Calibration Programs90
Introduction91
Computer Hardware Requirements91
Software Requirements91
Calibration Equipment91
General Program Instructions92
Instrument Control97
Introduction98
Front Panel Control98
Setting the Display Mode98
Selecting the Current Range98
Turning on the Output98
Setting Output Values98
Setting the Reading Mode99
Basic Remote Commands99
Turning on the Output100
Requesting Readings100
Basic Control Program100
Instrument Control100

Keithley 2303 - Page 104

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