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IM-5228
User Manuals: Heathkit IM-5228 Vacuum Tube Voltmeter
Manuals and User Guides for Heathkit IM-5228 Vacuum Tube Voltmeter. We have
1
Heathkit IM-5228 Vacuum Tube Voltmeter manual available for free PDF download: Manual
Heathkit IM-5228 Manual (25 pages)
Vacuum tube voltmeter
Brand:
Heathkit
| Category:
Measuring Instruments
| Size: 7 MB
Table of Contents
Table of Contents
2
Specifications
3
Circuit Description
5
Parts List
6
1.5V Battery Eliminator Circuit
8
1.5V Battery Eliminator Circuit (with Protection Diodes)
8
Preliminary Test
9
Preparation of Test Probe and Leads
10
Test and Calibration
11
Zero Adjust
11
DC Calibrate
11
OHMS Check
11
AC Calibrate
12
AC Calibrate with Line Cord Adapter
12
AC Calibrate Without Line Cord Adapter
12
Aging and Final Calibration
12
Final Assembly and Mounting
13
Using Your VTVM
14
Safety Precautions
14
Combination Probe
14
Reading the Meter
15
Center Scale "0" Position
15
DC Voltage Measurements
15
AC Voltage Measurements
16
Power Line Measurements
16
Other AC Voltage Measurements
17
Resistance Measurements
18
Decibel Scale
18
In Case of Difficulty
19
Accuracy
19
Troubleshooting Chart
20
Maintenance
21
Meter
21
Electrostatic Charge
21
Checking Meter Coil Continuity
21
Accessory Probes
22
High Voltage Test Probe
22
RF Test Probe
22
Schematic of the Heathkit
23
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