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IEEE 1140-1994

$86.13

IEEE Standard Procedures for the Measurement of Electric and Magnetic Fields from Video Display Terminals (VDTs) from 5 Hz to 400 kHz

Published By Publication Date Number of Pages
IEEE 1994
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New IEEE Standard – Inactive-Reserved. Procedures for the measurement of electric and magnetic fields in close proximity to video display terminals (VDTs) in the frequency range of 5 Hz to 400 kHz are provided. Existing international measurement technologies and practices are adapted to achieve a consistent and harmonious VDT measurement standard for testing in a laboratory controlled environment.

PDF Catalog

PDF Pages PDF Title
1 Title page
3 Introduction
Participants
5 CONTENTS
7 1. Scope
2. Definitions
8 3. General conditions
3.1 General
9 3.2 Background electric field levels
3.3 Background magnetic field (magnetic flux density)
10 4. Electric field test equipment
4.1 Electric field measuring probe
11 4.2 Probe filters and signal processing
4.3 Calibration
12 5. Electric field strength measurement procedure
5.1 VDT test setup
5.2 Measurement procedure
13 5.3 Measurement uncertainty
15 6. Magnetic field test equipment
6.1 Magnetic field measuring probe
16 6.2 Probe filters and signal processing
6.3 Calibration
17 7. Magnetic flux density measurement procedure
7.1 VDT test setup
7.2 Measurement procedure
19 7.3 Measurement uncertainty
21 8. Bibliography
22 Annex A—Electric field measuring probe—principle of operation
25 Annex B—VDT characterization—typical data recording format
26 Annex C—Measurement uncertainty—typical data recording format
27 Annex D—Measurement instrumentation used
IEEE 1140-1994
$86.13