GE vb8 - Page 5

Section 1 — Introduction
ii
SET UP ACCELEROMETER........................................................................................................ 36
Permanent Mounting ................................................................................................. 37
SET UP TACHOMETER .............................................................................................................. 38
TACHOMETER SIGNAL FROM KEYPHASOR
®
........................................................................ 40
Manual Keyphasor Threshold settings .............................................................. 42
USE STROBE LIGHT ................................................................................................................. 45
SECTION 4 — MEASUREMENT TYPES AND THEIR USES ........................... 46
SPECTRUM ................................................................................................................................ 46
Strobe Output................................................................................................................. 48
Read Speed of Connected Strobe ........................................................................ 50
WAVEFORM .............................................................................................................................. 51
DEMODULATION ...................................................................................................................... 52
Analyze Demodulation Data .................................................................................. 54
DEMOD SPECTRUM ................................................................................................................. 55
6PACK ....................................................................................................................................... 55
Streamlined Parameter Settings .......................................................................... 56
6Pack Demodulation Processing ......................................................................... 57
TACHOMETER DISPLAY ........................................................................................................... 58
TIME SYNCHRONOUS AVERAGING ........................................................................................ 59
BUMP TEST ............................................................................................................................... 60
COAST-DOWN/RUN-UP ......................................................................................................... 61
Tips for Coast-down/Run-up recordings.......................................................... 61
Deactivate Saving Waveform Data for Coast-down/Run-up
Measurement ................................................................................................................. 62
Take Coast-down/run-up Measurement.......................................................... 63
CROSS CHANNEL PHASE ........................................................................................................ 64
Recommendations for Cross Channel Phase................................................. 65
Fault Types and their Phase Relationships ..................................................... 66
Measuring Cross Channel Phase.......................................................................... 69
Setup .................................................................................................................................. 69
Measure Cross Channel Phase .............................................................................. 70
1 — Plan Cross Channel Spectrum (ODS) Recording Routine ................ 71
2 — Setup ......................................................................................................................... 72
3 — Take Cross Channel Spectrum (ODS) Recording ................................. 75
4 — Review Data .......................................................................................................... 77
REVIEW DATA IN ODS SOFTWARE ....................................................................................... 78
LONG TIME WAVEFORMS ....................................................................................................... 80
Measure Long Time Waveforms........................................................................... 80
View Long Time Waveforms on Computer ..................................................... 82
ORBIT PLOT .............................................................................................................................. 83
Use Orbit Plot Measurement Mode ..................................................................... 86