HP 400E, Руководство по эксплуатации и обслуживанию

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�t()del 400E/El. Tuole
or CO!I
tents
TA BLE OF CONTENTS
Section
Page
I.
GENERAL INFORMATION ...
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1-1
1-1.
Description....................
1-1
1-4.
Options Available .
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1-5.
Option
01
(400E Only)
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1-7.
Option
02 .................... 1-1
1-10.
Instrument and Manual
Identification .
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1-1
Section
II. INSTALLATION
Puge
2-1
2-1. Introduction .. . . . .. .. . .. ..... 2-1
2-3.
Initiul Inspection
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2-1
2-5.
Power Requirements
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2-1
2-7.
Power Cords
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2-1
2·9.
Grounding Requirements .
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2-1
2·11.
Instullution
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2-/3. Bench Mounting .
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2-1
2-15.
Instrument Cuse
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2-2
2·17. Ruck Mounting ............... 2 · 2
2·19.
Combinution Mounting
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2-2
2-21.
Repuck<lging For Shipment ...
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2-2
Section
Puge
III. OPERATING INSTRUCTIONS
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3-1
3·1. Introduction ...
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3-4.
Locution of Controls
3-6.
3-7.
3-12.
3-14.
und Indicutors ............
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Operuting Instructions ......... .
Stundud 400E/EL
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400E With Option 0 I ........ .
400E/EL With Option 02
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3-1
3-1
3-1
3-4
3-4
Sect ion
Puge
IV. THEORY OF OPERATION
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4·'
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Generul
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4-1:\. Schelllutic Description .
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4-1
4-9. Impedunce Converter.
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4·12. Meter Amplifier
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4-15.
Meter Bridge ..
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4·20. AC Output Circuit . ...
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4·22. Power Supply.
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4-3
Sect ion
V. MAINTENANCE ............... .
5·/.
Introduction ................
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5-3.
Required Equipment ..........
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5-5. Mechunicul Ze ro Adjust
Puge
5-1
5-1
5-1
(400E Only) .. ..
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5·1
5-7.
Performunce Checks ..
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5-9.
5-24.
5-27.
5-29.
5-31.
Accurucy und Frequency
Response Tests ............
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Input Impedunce Check ....... .
AC to DC Converter Output
Impedunce Check ..........
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AC Output Voltuge Check .....
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Conclusion of Perf o rlll<J nce
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5-8
5-1:\
5-�
Checks
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5-9
5·32.
Alignment und Culibrution
Procedure . .
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5 -34. Cover Removu
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5-36. Bius Adjust ... .
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5-38. AC Output Zero
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5-9
5-40. Culibrution
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5-9
5-48.
Troubleshooting .
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5-50.
Power Supply .
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5-52.
Amplifiers
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5-58.
AC Output Circuit .
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5-15
5-60.
Adjustment of Fuctory
Selected Components .... . . ... 5-15
Sect ion
VI. REPLACEABLE PARTS
Puge
6-1
6-1.
Introduction
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64. Ordering Informution . .. .
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6-6.
Non-Listed Purts
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Section
Pugc
VII. CIRCUIT DIAGRAMS .
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7-1
7-1.
Introduction .....
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7-1
Section
Page
VIII. MANUAL BACKDATING
CHANGES
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