YUSHI YUT-28 Series, Manual, Page: 3 / 44

YUSHI INSTRUMENTS
III
CHAPTER 4 APPLICATION OF TESTING .............................................................................................22
4.1 C
ALIBRATION
M
ETHOD AND
S
TEPS OF THE
I
NSTRUMENT
......................................................................22
4.2 Z
ERO
C
ALIBRATION OF THE
S
TRAIGHT
B
EAM
P
ROBE
............................................................................ 22
4.2.1 Calibration Procedures................................................................................................................................. 23
4.2.2 Operation Steps............................................................................................................................................ 23
4.2.3 Measurement of the Sound Velocity of the Material....................................................................................24
4.3 C
ALIBRATION OF THE
A
NGLE
B
EAM
P
ROBE
...........................................................................................25
4.3.1 Calibration Procedures................................................................................................................................. 25
4.3.2 Operation Steps............................................................................................................................................ 25
4.4
MAKING OF DAC CURVE
.......................................................................................................................... 27
4.5
MAKING OF AVG CURVE
...........................................................................................................................28
CHAPTER 5 SKILLS OF USING THE INSTRUMENT
.............................................................................29
5.1 F
LEXIBLE
U
SAGE OF THE
G
ATE
.............................................................................................................. 29
5.2 M
AKING THE BEST OF THE PROMPTING MESSAGES ON THE SCREEN DRUING THE OPERATION PROCESS
30
5.3 S
AVING AND CALLING THE INSTRUMENT STATUS AND THE DETECTION PARAMETERS
............................30
5.4 U
SING BATTERIES TO REDUCE INTERFERENCE
........................................................................................30
5.5 S
WITCHING THE DISPLAY MODES
............................................................................................................30
5.6 P
EAK VALUE MEMORY FUNCTION
........................................................................................................... 31
CHAPTER 6 APPLICATION AND PRACTICE OF FLAW DECTETION ..............................................31
6.1 A
PPLICATION ON STEEL PLATE FLAW DETECTION
....................................................................................31
6.1.1 The adjustment of testing scope...................................................................................................................31
6.1.2 The adjustment of sensitivity....................................................................................................................... 32
6.1.3 the identification of flaws.............................................................................................................................32
6.1.4 Flaw Evaluation............................................................................................................................................32
6.1.5 Flaw Quantify...............................................................................................................................................32
6.1.6 The identification of the defect location...................................................................................................... 33
6.2
THE APPLICATION ON THE WELDING LINE FLAW DETECTION
.....................................................................33
6.2.1 Operating steps.............................................................................................................................................34
6.2.2 Measurement of the flaw length...................................................................................................................34
CHAPTER 7 MAINTENANCE AND REPAIRING .....................................................................................35
7.1 O
PERATORS
’ T
RAINING
........................................................................................................................... 35
7.2
INSTRUMENT MAINTENANCE
...................................................................................................................35
7.3 E
NVIRONMENT REQUIREMENTS
.............................................................................................................. 35
7.4 M
AINTENANCE OF RECHARGEABLE BATTERY
........................................................................................... 36
7.5 B
ATTERIES REPLACEMENT
........................................................................................................................ 36
7.6 M
AINETANCE
............................................................................................................................................ 36
CHAPTER 8 COMMUNICATION BETWEEN THE INSTRUMENT AND THE COMPUTER
..........37
8.1 T
HE
C
OMMUNICATION BETWEEN
YUT-28
SERIES AND THE COMPUTER AND THE USE OF DATA
PROCESSING SOFTWARE
.................................................................................................................37
8.2 M
AIN
F
UNCTIONS
..................................................................................................................................... 38
APPENDIX I FLAW DETECTION REPORTS ........................................................................................... 39
APPENDIX II TERMINOLOGY
................................................................................................................... 40