HP 3457A Manuals

Manuals and User Guides for HP 3457A. We have 3 HP 3457A manuals available for free PDF download: Operating Instructions Manual, Service Manual

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HP 3457A Service Manual

HP 3457A Service Manual (182 pages)

Brand: HP | Category: Multimeter | Size: 27.18 MB
Table of contents
Table Of Contents5................................................................................................................................................................
Section I8................................................................................................................................................................
General Information8................................................................................................................................................................
Introduction8................................................................................................................................................................
Manual Description8................................................................................................................................................................
Instrument Description9................................................................................................................................................................
Safety Considerations9................................................................................................................................................................
Instruments Covered By This Manual9................................................................................................................................................................
Plc = I N T E G R A T I O N Time I N Power L I N E C Y C L E S . When U S I N G I N T E G R A T I O N T I M E S O F O R Iplc; M U L T I P L Y Number O F Counts I N T H E Measurement A C C U R A C Y T A B L E S B Y13................................................................................................................................................................
R E A D I N G S , 0.01 F O R13................................................................................................................................................................
Temperature Coefficient13................................................................................................................................................................
1/2 D I G I T S D I S P L A Y E D13................................................................................................................................................................
S P E C I F I C A T I O N S G I V E N A R E F O R A S T A B L E Environment13................................................................................................................................................................
M U L T I P L Y Number O F Counts B Y13................................................................................................................................................................
F O R 313................................................................................................................................................................
Integration Time23................................................................................................................................................................
Specifications27................................................................................................................................................................
Options And Accessories31................................................................................................................................................................
Test Equipment32................................................................................................................................................................
Section I133................................................................................................................................................................
Installation33................................................................................................................................................................
Initial Inspection33................................................................................................................................................................
Preparation For Use34................................................................................................................................................................
Line Voltage Selection34................................................................................................................................................................
Power Cords34................................................................................................................................................................
Grounding Requirements35................................................................................................................................................................
Bench Use35................................................................................................................................................................
Interface Connections36................................................................................................................................................................
Control Interface36................................................................................................................................................................
Changing The Address From The Front Panel37................................................................................................................................................................
Controller37................................................................................................................................................................
Instahation Of Options38................................................................................................................................................................
Rear Terminal Assembly Removal39................................................................................................................................................................
Plug-in Assenlbly Installation40................................................................................................................................................................
Plug-in Assen~bly Config~~ration41................................................................................................................................................................
Wiring Block Preparation43................................................................................................................................................................
Operation45................................................................................................................................................................
Ac Power45................................................................................................................................................................
Power On45................................................................................................................................................................
Voltage Measurements45................................................................................................................................................................
Resistance Measurements47................................................................................................................................................................
Current Measurements48................................................................................................................................................................
Frequent Y /period Measurements50................................................................................................................................................................
Hp 44491a General Purpose Multiplexer50................................................................................................................................................................
H P 44492a Reed Relay52................................................................................................................................................................
Section 1v56................................................................................................................................................................
Performance Tests56................................................................................................................................................................
Equipment Required56................................................................................................................................................................
Test Record56................................................................................................................................................................
Calibration Cycle56................................................................................................................................................................
Test Considerations56................................................................................................................................................................
General56................................................................................................................................................................
Dc Voltage Performance Tests57................................................................................................................................................................
Preliminary Steps57................................................................................................................................................................
Dc Voltage Function . Offset Test57................................................................................................................................................................
Dc Voltage Function59................................................................................................................................................................
Linearity Test59................................................................................................................................................................
Ac Voltage Performance Tests59................................................................................................................................................................
Ac Voltage Function Gain Test59................................................................................................................................................................
Ac Voltage Function59................................................................................................................................................................
Frequency Response Test60................................................................................................................................................................
Dc Current Performance Tests62................................................................................................................................................................
Dc Current Function Offset Test63................................................................................................................................................................
Dc Current Filnction . Gain Test63................................................................................................................................................................
Ac Current Function Gain Test63................................................................................................................................................................
2-wire Ohms Performance Tests65................................................................................................................................................................
Offset Test65................................................................................................................................................................
Gain Test . 4-166................................................................................................................................................................
4-wire Ohms Performance Tests66................................................................................................................................................................
4-wire Ohms Function67................................................................................................................................................................
Frequency Counter Performance Tests68................................................................................................................................................................
Rear Lnput Performance Tests (standard Instrument)69................................................................................................................................................................
Performance Tests (cont'd)69................................................................................................................................................................
4449 1 Offset Test72................................................................................................................................................................
2-wire Ohms Function73................................................................................................................................................................
Dc Current Function74................................................................................................................................................................
Operational Verification Tests77................................................................................................................................................................
Tests78................................................................................................................................................................
Gain Test79................................................................................................................................................................
Response Test79................................................................................................................................................................
2-wire Ohms F ~ ~ N C T I O N Offset Test82................................................................................................................................................................
2-wire Ohms Function . Gain Test82................................................................................................................................................................
Verification Tests82................................................................................................................................................................
Frequency Counter86................................................................................................................................................................
Test87................................................................................................................................................................
Rear Terminal Offset Test87................................................................................................................................................................
44491a Offset Test90................................................................................................................................................................
Offset Test Limits97................................................................................................................................................................
Calibration119................................................................................................................................................................
Calibration Security119................................................................................................................................................................
Security Code119................................................................................................................................................................
Changing The Security Code119................................................................................................................................................................
Calibration Number120................................................................................................................................................................
Preliminary Calibration Procedures121................................................................................................................................................................
Input Amplifier Offset122................................................................................................................................................................
Ac Convertor Frequency Response Adjustment122................................................................................................................................................................
Calibration Procedures123................................................................................................................................................................
Front Panel Inputs123................................................................................................................................................................
Dc Volts Offset Calibration123................................................................................................................................................................
Dc Volts Gain Calibration124................................................................................................................................................................
Dc Volts Linearity Calibration124................................................................................................................................................................
Calibration (cont'd)125................................................................................................................................................................
Dc Current Offset Calibration128................................................................................................................................................................
Dc Current Gain Calibration128................................................................................................................................................................
Replacable Parts138................................................................................................................................................................
Listed Parts138................................................................................................................................................................
Non-listed Parts138................................................................................................................................................................
Direct Mail Order System138................................................................................................................................................................
Part Changes139................................................................................................................................................................
Proprietary Parts139................................................................................................................................................................
Optional Plug-in Assembly Removal140................................................................................................................................................................
Digital (a 1) Assembly Renioval141................................................................................................................................................................
Plug-in Support Assembly Removal142................................................................................................................................................................
Ac Convertor (a3) Assembly Removal142................................................................................................................................................................
Analog (a2) Assembly Removal142................................................................................................................................................................
Section V11162................................................................................................................................................................
Manual Changes162................................................................................................................................................................
Section Vlli164................................................................................................................................................................
Static Handling165................................................................................................................................................................
Recommended Test Equipment165................................................................................................................................................................
Theory Of Operation165................................................................................................................................................................
Chassis Common Section165................................................................................................................................................................
Self Test Description167................................................................................................................................................................
Self Test168................................................................................................................................................................
A2/a3 Assembly Failure169................................................................................................................................................................
Replacement Procedures169................................................................................................................................................................
HP 3457A Service Manual

HP 3457A Service Manual (6 pages)

Brand: HP | Category: Multimeter | Size: 4.57 MB

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