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3438A
HP 3438A Manuals
Manuals and User Guides for HP 3438A. We have
2
HP 3438A manuals available for free PDF download: Operating & Service Manual, Operating And Service Manual
HP 3438A Operating & Service Manual (94 pages)
Digital Multimeter
Brand:
HP
| Category:
Multimeter
| Size: 7.73 MB
Table of Contents
Safety Summary
5
Ground the Instrument
5
General Definitions of Safety Symbols
6
Table of Contents
7
General Information
9
Introduction
9
Description
9
Specifications
9
DC Voltmeter
10
AC Voltmeter
10
DC Ammeter
10
AC Ammeter
10
Ohmmeter
11
Installation
13
Initial Inspection
13
Power Requirements
13
Instrument Mounting
13
Power Cords and Receptacles
14
Operation
15
Operating Instructions
16
AC Operation
16
Overload/Overrange/Improper Function Indication
16
Auto
16
Front and Rear Panel Descriptions
17
Com
18
A
18
AC Voltage Measurements
18
DC Current Measurements
19
AC Current Measurements
19
Resistance Measurements
20
HP-IB Operation
20
Bus Structure
20
Talk Only Mode
20
Interface Connections and Bus Structure
21
Talk Only Switch Settings
21
Output Delays
21
Addressed to Talk Mode
22
Bus Commands
22
Address Select Code
22
Control Lines
23
Handshake Lines
23
Talk and Listen Address
23
List of Events for Handshake Process
24
Handshake Timing Sequence
24
Data Lines
26
Data Output Format
26
Overload Indication
26
Octal Code Conversion
26
Programming Information
27
Performance Check
33
Test Equipment Required
34
Performance Tests
35
DC Voltmeter Accuracy Test
35
AC Voltmeter Accuracy Test
35
DC Ammeter Accuracy Test
36
AC Ammeter Accuracy Test
36
Ohmmeter Accuracy Test
37
AC Voltage Accuracy Test
37
AC Normal Mode Rejection Test
39
AC Common Mode Rejection Ratio
39
AC Common-Mode Rejection Test
40
Abbreviated Performance Test Card
41
Adjustments
47
Equipment Required
49
Adjustment Interval
49
Pre-Adjustment Procedure
49
Test Point and Adjustment Locations
49
Power Requirement Modification
52
Line Connections
52
Parts List
54
Replaceable Parts
55
Ordering Information
55
Parts Changes
55
Standard Abbreviations
55
Code List of Manufacturers
56
Miscellaneous Parts
64
Service Information
68
Simplified Block Diagram
69
Service
70
Detailed Theory
70
Analog Theory
71
Function Code
71
Range Codes
71
Range Code Logic Interface
71
AC Gain Configurations
73
Ohms Block Diagram
73
Ohm Gain
74
Controller
74
HP-IB Theory
75
Integrator Output
75
Troubleshooting
76
General Interface Management Lines
76
Front Panel Observations
76
AC Gain
76
Test Jumpers
77
Test Pads
78
Power Supply
78
Logic Troubleshooting
78
HP-IB Troubleshooting
78
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HP 3438A Operating And Service Manual (88 pages)
Brand:
HP
| Category:
Multimeter
| Size: 4.12 MB
Table of Contents
Table of Contents
4
Section I
6
General Information
6
Description
6
Specifications
6
Instrument and Manual Identification
6
Options
6
Accessories
6
Safety Considerations
6
Initial Inspection
10
Power Requirements
10
Environmental Requirements
10
Instrument Mounting
10
Hewlett-Packard Interface Bus (HP-IB)
10
Repackaging for Shipment
10
AC Operation
12
Overload/Overrange/Improper Function Indication
12
Auto
12
DC Voltage Measurements
14
Resistance Measurements
16
Data Output Format
16
Talk Only Mode
16
Addressable to Talk Mode
17
Hp- 981 5A Sa~Nple Application
18
Hp- 9825 Sample Application
18
Option Decal
18
Amps Input Fuse Replacement
18
Multinreter Cleaning
18
Performance Tests
26
Introduction
26
Test Equipment Required
26
DC Voltmeter Accuracy Test
26
AC Voltmeter Accuracy Test
26
DC Ammeter Accuracy Test
26
AC Ammeter Accuracy Test
26
Ohmmeter Accuracy Test
29
AC Normal-Mode Rejection Test
30
AC Common Mode Rejection
38
Adjustment Procedures
41
Introduction
41
Equipment Required
41
Adjustment Interval
41
Pre-Adjustment Procedures
41
Test Point and Adjustment Locations
41
Adjustment Procedure
41
A +7 V Power Supply Adjustment (R417)
42
B U725 Back Gate Bias Adjustment (R603)
42
Clock Frequency Adjustment (R9)
42
AC Zero Adjustment (R203)
42
0 Ohms Zero Adjustment (R111)
42
DC Gain Adjustment (R403)
42
Ohms Gain Adjustment (R119)
42
AC Gain Adjustment (R123)
42
Range, 20 Khz Adjustment (R102)
43
Range, 20 Khz Adjustment (R110)
43
Ac Range, 100 Khz Adjustment (C109)
43
Power Requirement Modification Instructions
44
Replaceable Parts
45
Non-Listed Parts
45
Parts Changes
45
Proprietary Parts
45
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