Instruction Manual

8
Table of Contents
6. Techniques for Using the Equipment ............................................................................ 74
6−1 Pipe Data Handling (Main Unit) ...................................................................... 75
6−2 FFT Screen Function (Main Unit) .................................................................... 77
6−3 White Noise Method ........................................................................................ 78
6−4 Leak Noise Record Function ............................................................................ 83
6−5 Evaluation of Detected Position ....................................................................... 85
6−6 Auto Filter ........................................................................................................ 85
6−7 Notch Filter ...................................................................................................... 86
6−8 Manual Calculation of Sound Velocity ............................................................ 87
6−9 Data Transfer to PC Using SD Card ................................................................ 88
7. Storage........................................................................................................................... 89
7−1 Storage Method ................................................................................................ 90
8. Technical Data .............................................................................................................. 91
8−1 Definitions ........................................................................................................ 92
8−2 Principle of Leak Noise Correlator .................................................................. 93
8−3 Specifications of Main Unit ............................................................................. 94
8−4 Specifications of Pre-Amplifier........................................................................ 96
9. Troubleshooting ............................................................................................................ 97
9−1 Troubleshooting ............................................................................................... 98