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Panasonic cq dfx444 Manual

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DFX-444 Operator’s Manual Issue 3
vii
Table of Figures
Figure 1 – Basic Ultrasonic Testing..........................................................9
Figure 2 – Ultrasonic Energy Field Distribution......................................12
Figure 3 – Ultrasonic Beam Spread and Half-Angle..............................13
Figure 4 – Typical Dual Element Transducer/probe ..............................14
Figure 5 – Thickness Gauging on Pipe..................................................15
Figure 6 – Couplant use on Pitted Surfaces ..........................................15
Figure 7 – Typical Angle Beam Transducer/probe ................................16
Figure 8 – Typical Weld Inspection ........................................................17
Figure 9 – Immersion Testing Method....................................................18
Figure 10 – Focusing in Immersion Testing...........................................19
Figure 11 – Front Panel of the DFX-444 ...............................................20
Figure 12 – Cursor Selection of Echoes for DAC ..................................63
Figure 13 – DAC Curve and -6dB/-14dB Curves...................................65
Figure 14 – Equalization of Echoes Using TCG....................................67
Figure 15 – Trigonometry Mode Measurements....................................68
Figure 16 – Trigonometry Mode Measurements....................................70
Figure 17 – Peak Echo Dynamics..........................................................77
Figure 18 – Broadband Echo..................................................................79
Figure 19 – Narrowband Echo................................................................79
Figure 20 – Lithium-Ion Battery Box.......................................................90
Figure 21 – Battery Charger...................................................................91
Figure 22 – Interface Connections .........................................................92
… 7 …


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