YUSHI INSTRUMENTS
III
4.2.1 Calibration Procedures ............................................................................................................................... 24
4.2.2 Operation Steps .......................................................................................................................................... 24
4.2.3 Measurement of the Sound Velocity of the Material .................................................................................. 25
4.3
C
ALIBRATION OF THE
A
NGLE
B
EAM
P
ROBE
........................................................................................... 26
4.3.1 Calibration Procedures ............................................................................................................................... 26
4.3.2 Operation Steps .......................................................................................................................................... 26
4.4
MAKING OF DAC CURVE
.......................................................................................................................... 29
CHAPTER 5 SKILLS OF USING THE INSTRUMENT
............................................................................ 30
5.1
F
LEXIBLE
U
SAGE OF THE
G
ATE
.............................................................................................................. 31
5.2
M
AKING THE BEST OF THE PROMPTING MESSAGES ON THE SCREEN DRUING THE OPERATION PROCESS
... 31
5.3
S
AVING AND CALLING THE INSTRUMENT STATUS AND THE DETECTION PARAMETERS
............................. 31
5.4
U
SING BATTERIES TO REDUCE INTERFERENCE
........................................................................................ 31
5.5
S
WITCHING THE DISPLAY MODES
........................................................................................................... 32
5.6
P
EAK VALUE MEMORY FUNCTION
........................................................................................................... 32
CHAPTER 6 APPLICATION AND PRACTICE OF FLAW DECTETION
............................................. 33
6.1
A
PPLICATION ON STEEL PLATE FLAW DETECTION
................................................................................... 33
6.1.1 The adjustment of testing scope ................................................................................................................. 33
6.1.2 The adjustment of sensitivity ..................................................................................................................... 33
6.1.3 the identification of flaws ........................................................................................................................... 34
6.1.4 Flaw Evaluation ......................................................................................................................................... 34
6.1.5 Flaw Quantify ............................................................................................................................................ 34
6.1.6 The identification of the defect location ..................................................................................................... 35
6.2
THE APPLICATION ON THE WELDING LINE FLAW DETECTION
...................................................................... 35
6.2.1 Operating steps ........................................................................................................................................... 36
6.2.2 Measurement of the flaw length ................................................................................................................. 36
CHAPTER 7 MAINTENANCE AND REPAIRING
.................................................................................... 37
7.1
O
PERATORS
’
T
RAINING
.......................................................................................................................... 37
7.2
INSTRUMENT MAINTENANCE
.................................................................................................................. 37
7.3
E
NVIRONMENT REQUIREMENTS
............................................................................................................. 37
7.4
M
AINTENANCE OF RECHARGEABLE BATTERY
........................................................................................... 38
7.5
B
ATTERIES REPLACEMENT
........................................................................................................................ 38
7.6
R
EPAIRING
................................................................................................................................................ 39
CHAPTER 8 COMMUNICATION BETWEEN THE INSTRUMENT AND THE COMPUTER
......... 39
8.1
T
HE
C
OMMUNICATION BETWEEN
YUT-2800
AND THE COMPUTER AND THE USE OF DATA PROCESSING
SOFTWARE
.................................................................................................................................... 39
8.2
M
AIN
F
UNCTIONS
.................................................................................................................................... 40
APPENDIX I FLAW DETECTION REPORTS
.......................................................................................... 41
APPENDIX II TERMINOLOGY
.................................................................................................................. 42
