Sign In
Upload
Manuals
Brands
HP Manuals
Measuring Instruments
400EL
User Manuals: HP 400EL AC Voltmeter
Manuals and User Guides for HP 400EL AC Voltmeter. We have
2
HP 400EL AC Voltmeter manuals available for free PDF download: Operating And Service Manual
HP 400EL Operating And Service Manual (58 pages)
AC VOLTMETER
Brand:
HP
| Category:
Measuring Instruments
| Size: 16.84 MB
Table of Contents
Ta Ble of Contents
5
List of Tables
6
List of Illustrations
6
Safety Summary
7
Ground the Instrument
7
Specifications
8
Accuracy
8
AC to DC Converter Output
8
General Information
9
Description
9
Options Available
9
Instrument and Manual Identification
9
Performance Characteristics
10
Installation
11
Initial Inspection
11
Power Requirements
11
Power Cords
11
Introduction
11
Bench Mounting
11
Instrument Case
12
Rack Mounting
12
Repackaging for Shipment
12
Combination Mounting
12
Operating Instructions
13
Responding Meter
13
Battery Voltage
15
Ac to DC Converter
15
Wide Band Ac Amplifier
15
DB Meter
15
AC Amplifier Gain
16
Impedance Correction Graph
16
EL with Option
16
Theory of Operation
17
Impedance Converter
17
Simplified Block Diagram
17
Meter Bridge
18
Meter Amplifier
18
AC 0 Output Circuit
19
Power Supply
19
Required Test Equipment
22
Maintenance
23
Reouired Eouipment
23
Performance Checks
23
Introduction
23
Frequency Response Check
24
Accuracy Check Using Thermal Converters
24
Accuracy Test Setup
24
Accuracy Tolerances
25
Reference Supply Calibration
25
Accuracy and Frequency Response Test Setup
26
Calibration Tolerances
26
Calibration Accuracy Graphs
27
3 Volt and 1 V Olt Accuracy Test
28
Range Tracking Test
28
Input Impedance Check
29
3Mvand 1 MV Range Accuracy Test
29
Input Resistance Check
30
Ac Output Voltage Check
30
AC to DC Converter Output
30
Impedunce Check
30
Cover Removal
31
Bias Adjust
31
Location of Internal Adjustments
31
Checks
31
Procedure
31
AC Output Zero
31
Factory Selected Components
32
Alternate Calibration Procedure
33
Attenuator Alignment
33
Alternate Calibration and Performance Check
33
Selected Components
33
Alternate Calibration and Frequency Test Setup
34
Troubleshooting Tips
35
Impedance Converter Voltages
36
Meter Amplifier Voltages
36
Power Supply Voltages
36
AC Output Circuit
37
Adjustment of Factory Selected Components
37
AC Voltage Output Circuit
37
Factory Selected Components
37
Replaceable Parts
39
Introduction
39
Ordering Informution
39
Standard Abbreviations
39
Mechanical Parts
45
Left Side View
46
Mechanical Parts
46
Chassis and Switch Components
47
Circuit Diagrams
49
Schematic Notes
49
Component Locations
50
Manual Backdating Changes
52
Replaceable Parts
53
Advertisement
HP 400EL Operating And Service Manual (56 pages)
AC VOLTMETER
Brand:
HP
| Category:
Measuring Instruments
| Size: 7.75 MB
Table of Contents
-2 Ee Ee Eevee -62 General Information
3
Table of Contents
3
General Information
9
Instrument and Manual Identification
9
Initial Inspection
11
Power Requirements
11
Grounding Requirements
11
Bench Mounting
11
Rack Mounting
12
Repackaging for Shipment
12
Combination Mounting
12
Table
13
Eee
18
Power Supply
33
Amplifiers
34
Circuit Diagrams
36
Introduction
36
Replaceable
39
Ordering Information
39
Non-Listed Parts
39
DESIGNATION |7Hp- PART no
42
Description
42
MECHANICAL PARTS (Cont'D)
44
Designation |7Hp- Part No/Designation |7Hp- Part no
45
0340-0086 Insulator: BP Double W/O Locating Key P/O J2
46
0340-0087 Insulator: BP Triple in Line P/O J4
46
0340-0090 Insulator: BP Double W/Locating Key P/O J2
46
0340-0091 Insulator: BP Triple in Line W/Locating Key P/O J4
46
Advertisement
Related Products
HP 400D
HP 400H
HP 4001
HP 400F
HP 400FL
HP 400E
HP 403A
HP 4194A
HP 4145A
HP 456A
HP Categories
Desktop
Laptop
Server
Monitor
Switch
More HP Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL