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HP 400FL manual available for free PDF download: Operating And Service Manual
HP 400FL Operating And Service Manual (54 pages)
AC VOLTMETER
Brand:
HP
| Category:
Measuring Instruments
| Size: 11.24 MB
Table of Contents
Table of Contents
7
General Information
9
Description
9
Initial Inspection
11
Power Requirements
11
Grounding Requirements
11
Bench Mounting
11
Rack Mounting
11
Combination Mounting
11
Repackaging for Shipment
11
Section INSTALLATION
11
Location of Controls and Indicators
12
AC Voltage Measurements
13
Ing Meter
13
External Battery Connection
13
Meter Mechanical Zero Adjustment (400F Only)
13
Operating Instructions
13
Introduction
13
Wide Band AC Amplifier
14
400F with Option
14
Impedance Correction Graph
15
Theory of Opera Tion
17
General
17
Block Diagram Description
17
Schematic Theory
17
Post Attenuator
17
100 Khz Low Pass Filter
17
Functional Circuit Diagram
17
Filter Attenuation Characteristics
17
Input Attenuator
17
Meter Amplifier
18
Meter Bridge
18
Simplified Diagram of Metering Circuit
18
Power Supply
19
Performance Checks
20
Test Equipment
20
Accuracy and Frequency Response Check Setup
20
Accuracy and Frequency Response
21
Top Cover Removal
21
Full Scale Calibration Tolerances (400F)
22
Range Tracking Check
22
Full Scale Calibration Tolerances (400FL)
22
Input Impedance Check
23
Alignment and Calibration Procedures
23
Alternate Accuracy and Frequency Response Check Setup
23
Cover Removal and Replacement
24
Meter Mechanical Zeroadiustment
24
Input Impedance Check Setup
24
Troubleshooting Procedure
25
Attenuator Alignment
25
Replacement of A2C37
25
Meter Calibration
25
A2Ql Bias Adjustment
25
Troubleshooting Guide
26
Power Supply Voltages
26
Meter Amplifier Voltages
26
Etched Circuit Board Repair
26
Meter Bridge
26
Power Supply
26
Preamplifier
26
Schema Tic
29
Model 400F/FL Range Switch and Plo Internal Wiring Data
30
Model 400F/FL Component Location
30
Location of Important Mechanical Parts
34
Ordering Information
35
Non-Listed Parts
35
Replaceable Parts
40
Code List of Manufacturers
41
Replaceable Parts
50
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