Waygate Technologies Krautkramer USM Go User manual

Krautkrämer USM Go / USM Go+
Operating Manual
Id. No. 49 155 Rev. 10 (06/2021)

This Rev. 10 (06/2021) applies to the following software versions:
USM Go: 2.08 (March 6, 2013)
USM Go+: 2.08 (May 28, 2013)
You will find the software version and the serial number of your instrument on the second operating level
(CONFIG2 - ABOUT)
© Baker Hughes Digital Solutions GmbH | Technical content subject to change without notice.

USM Go Rev. 10 (06/2021) 0-3
First operating level (Base)
To change between the first and the second operating level:
USM Go: Press the joystick for 2 seconds.
USM Go+: Press the center key of the keypad for 2 seconds.

0-4 Rev. 10 (06/2021) USM Go
First operating level (Options)
To change between the first and the second operating level:
USM Go: Press the joystick for 2 seconds.
USM Go+: Press the center key of the keypad for 2 seconds.

USM Go Rev. 10 (06/2021) 0-5
Second operating level

0-6 Rev. 10 (06/2021) USM Go
Second operating level (continued)

USM Go Rev. 10 (06/2021) 0-7
Status display icons
Icon Meaning Icon Meaning
SD memory card is inserted,
flashes when the SD card is accessed
Angle-beam probe 30° … 90°, flat surface,
Reflection from the backwall
Freeze active (Freeze),
Display is „frozen“.
Angle-beam probe 30°, curved surface,
Reflection from the inner surface of tube
Magnify gate is active Angle-beam probe 80°, curved surface,
Reflection from the outer surface of tube
Pulser-receiver separation is turned off Angle-beam probe 90°, surface wave
Pulser-receiver separation is turned on DAC mode = TCG is active
Pulser-receiver separation is turned on and set
to through-transmission mode
DGS reference echo has been recorded
Reject function is active DGS reference echo has been recorded,
transfer loss > 0
AGT is active dB REF is active
One or more special functions programmed on
the F1-F4 buttons
Calibration reminder

0-8 Rev. 10 (06/2021) USM Go
Power level indicators Keypad functions
1Increasing the gain level in increments
2Decreasing the gain level in increments
3Navigation operating levels and function groups
4Function key 1, individually assignable
5Function key 2, individually assignable
Icon Meaning
Battery charge level,
remaining operating time
in hours (approximate value)
Charger/power adapter is connected,
percentage of battery charge level
(approximate value)
Warning: Low battery charge level,
remaining operating time
in minutes (approximate value)
1
3
4
1
22
3
4
55
USM Go USM Go+

USM Go Rev. 10 (06/2021) 0-9
Navigation using joystick (USM Go) or keypad (USM Go+)
USM Go USM Go+ Function
Navigation between function groups,
adjusting values
Navigation within a function group,
adjusting values
Changing between operating levels (press for 2 seconds)

0-10 Rev. 10 (06/2021) USM Go

Contents
USM Go Rev. 10 (06/2021) 0-1
0 Overviews
First operating level (Base). . . . . . . . . . . . 0-3
First operating level (Options). . . . . . . . . . 0-4
Second operating level . . . . . . . . . . . . . . . 0-5
Second operating level (continued) . . . . . 0-6
Status display icons . . . . . . . . . . . . . . . . . 0-7
Power level indicators. . . . . . . . . . . . . . . . 0-8
Keypad functions . . . . . . . . . . . . . . . . . . . 0-8
Navigation using joystick (USM Go)
or keypad (USM Go+). . . . . . . . . . . . . . . . 0-9
1Introduction
1.1 Safety information . . . . . . . . . . . . . . . . . 1-2
Battery operation . . . . . . . . . . . . . . . . . . . 1-2
Software . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Defects/errors and exceptional stresses. . 1-3
1.2 Important information on
ultrasonic testing . . . . . . . . . . . . . . . . . . 1-3
Prerequisites for testing with
ultrasonic test equipment . . . . . . . . . . . . . 1-3
Operator training . . . . . . . . . . . . . . . . . . . . 1-4
Technical test requirements . . . . . . . . . . . 1-4
Limits of testing . . . . . . . . . . . . . . . . . . . . . 1-5
Ultrasonic wall thickness measurement . . 1-5
Effect of the test object material . . . . . . . . 1-5
Effect of temperature variations . . . . . . . . 1-6
Measurement of remaining wall thickness 1-6
Ultrasonic evaluation of flaws . . . . . . . . . . 1-6
Flaw boundary method . . . . . . . . . . . . . . . 1-6
Echo display comparison method . . . . . . . 1-7
1.3 The USM Go. . . . . . . . . . . . . . . . . . . . . . . 1-8
Instrument versions USM Go and USM Go+1-9
Options . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Special features of the USM Go . . . . . . . 1-11
1.4 The DMS Go. . . . . . . . . . . . . . . . . . . . . . 1-12
1.5 How to use this manual . . . . . . . . . . . . 1-12

Contents
0-2 Rev. 10 (06/2021) USM Go
1.6 Layout and presentation in
this manual . . . . . . . . . . . . . . . . . . . . . . 1-13
Attention and note symbols. . . . . . . . . . . 1-13
Listings . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
Operating steps. . . . . . . . . . . . . . . . . . . . 1-13
2Standard package and accessories
2.1 Standard package . . . . . . . . . . . . . . . . . . 2-2
2.2 Add-on functions . . . . . . . . . . . . . . . . . . 2-3
2.3 Preconfigured function packages . . . . . 2-4
2.4 Recommended accessories. . . . . . . . . . 2-5
3Initial start-up
3.1 Instrument positioning . . . . . . . . . . . . . . 3-2
3.2 Power supply. . . . . . . . . . . . . . . . . . . . . . 3-2
Operation with charger/power adapter . . . 3-2
Operation using batteries . . . . . . . . . . . . . 3-4
Charging the batteries. . . . . . . . . . . . . . . . 3-8
3.3 Connecting a probe . . . . . . . . . . . . . . . . 3-9
3.4 Inserting the SD memory card . . . . . . . 3-10
3.5 Starting the USM Go . . . . . . . . . . . . . . . 3-11
Powering On . . . . . . . . . . . . . . . . . . . . . . 3-11
Powering Off . . . . . . . . . . . . . . . . . . . . . . 3-12
Factory default setting (Reset) . . . . . . . . 3-12
4Principles of operation
4.1 Overview of operator's controls . . . . . . 4-2
4.2 Display screen. . . . . . . . . . . . . . . . . . . . . 4-3
A-scan representation . . . . . . . . . . . . . . . . 4-3
Functions on the display screen . . . . . . . . 4-4
Gain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Measurement line . . . . . . . . . . . . . . . . . . . 4-5
Status display icons . . . . . . . . . . . . . . . . . 4-6
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

Contents
USM Go Rev. 10 (06/2021) 0-3
4.3 Navigation and function keys . . . . . . . . 4-7
Navigation. . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Function keys . . . . . . . . . . . . . . . . . . . . . . 4-7
Key combinations . . . . . . . . . . . . . . . . . . . 4-8
Power key . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
4.4 Operational concept . . . . . . . . . . . . . . . . 4-9
Operating levels . . . . . . . . . . . . . . . . . . . . 4-9
Selecting and setting functions . . . . . . . . . 4-9
Function HOME . . . . . . . . . . . . . . . . . . . 4-11
Activating functions. . . . . . . . . . . . . . . . . 4-12
4.5 Important default settings . . . . . . . . . . 4-13
Language setting . . . . . . . . . . . . . . . . . . 4-13
Units setting . . . . . . . . . . . . . . . . . . . . . . 4-14
Decimal separator. . . . . . . . . . . . . . . . . . 4-14
Date format, Date, and Time . . . . . . . . . 4-15
Selecting the instrument orientation . . . . 4-16
4.6 Default settings of the display. . . . . . . 4-16
Selecting the color scheme. . . . . . . . . . . 4-16
Selecting the A-scan color . . . . . . . . . . . 4-17
Selecting the grid . . . . . . . . . . . . . . . . . . 4-18
Setting the brightness . . . . . . . . . . . . . . . 4-18
4.7 Saving the settings. . . . . . . . . . . . . . . . 4-19
Recalling settings . . . . . . . . . . . . . . . . . . 4-21
Displaying dataset name. . . . . . . . . . . . . 4-22
5Operation
5.1 Overview of the functions . . . . . . . . . . . 5-2
Function groups first operating level . . . . . 5-3
Function groups second operating level . . 5-4
5.2 Setting the gain . . . . . . . . . . . . . . . . . . . . 5-6
Setting the dB increment of gain. . . . . . . . 5-6
5.3 Assignment of function keys. . . . . . . . . 5-8
5.4 Setting the display range
(function group RANGE) . . . . . . . . . . . 5-10
RANGE . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
PROBE DELAY. . . . . . . . . . . . . . . . . . . . 5-11
VELOCITY . . . . . . . . . . . . . . . . . . . . . . . 5-12
DISPLAY DELAY . . . . . . . . . . . . . . . . . . 5-13

Contents
0-4 Rev. 10 (06/2021) USM Go
5.5 Setting the pulser
(function group PULSER). . . . . . . . . . . 5-14
VOLTAGE (pulser voltage) . . . . . . . . . . . 5-14
ENERGY. . . . . . . . . . . . . . . . . . . . . . . . . 5-15
WIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
DAMPING . . . . . . . . . . . . . . . . . . . . . . . . 5-17
PRF MODE (pulse repetition frequency) . .5-17
5.6 Setting the receiver
(function group RECEIVER). . . . . . . . . 5-19
FREQUENCY . . . . . . . . . . . . . . . . . . . . . 5-19
RECTIFY. . . . . . . . . . . . . . . . . . . . . . . . . 5-20
DUAL (pulser-receiver separation) . . . . . 5-20
REJECT . . . . . . . . . . . . . . . . . . . . . . . . . 5-21
5.7 Setting the gates
(function groups
GATE A and GATE B) . . . . . . . . . . . . . . 5-22
Tasks of the gates. . . . . . . . . . . . . . . . . . 5-22
A-START/B-START
(starting point of the gate) . . . . . . . . . . . . 5-23
A-WIDTH/B-WIDTH
(width of the gates) . . . . . . . . . . . . . . . . . 5-23
A-THRESHOLD/B-THRESHOLD
(response and measurement
threshold of the gate) . . . . . . . . . . . . . . . 5-24
TOF MODE . . . . . . . . . . . . . . . . . . . . . . . 5-25
Starting point of gate B . . . . . . . . . . . . . . 5-27
Automatic gate height . . . . . . . . . . . . . . . 5-28
5.8 Calibrating the USM Go . . . . . . . . . . . . 5-29
Calibrating the display range. . . . . . . . . . 5-29
Choice of the measuring point . . . . . . . . 5-29
Calibration with straight-beam and
angle-beam probes . . . . . . . . . . . . . . . . . 5-30
Calibration using dual-element probes . . 5-34
5.9 Making measurements . . . . . . . . . . . . . 5-37
General notes . . . . . . . . . . . . . . . . . . . . . 5-37
5.10 dB-difference measurement
(function group dB REF) . . . . . . . . . . . 5-38
Recording a reference echo . . . . . . . . . . 5-39
Deleting a reference echo . . . . . . . . . . . . 5-39
Echo height comparison . . . . . . . . . . . . . 5-40

Contents
USM Go Rev. 10 (06/2021) 0-5
5.11 Rating of welds
(function group AWS D1.1) . . . . . . . . . 5-41
Rating of welds according to AWS D1.1. 5-42
5.12 Flaw position calculation with
angle-beam probes. . . . . . . . . . . . . . . . 5-45
PROBE ANGLE . . . . . . . . . . . . . . . . . . . 5-46
THICKNESS . . . . . . . . . . . . . . . . . . . . . . 5-47
X VALUE. . . . . . . . . . . . . . . . . . . . . . . . . 5-48
O-DIAMETER . . . . . . . . . . . . . . . . . . . . . 5-48
COLOR LEG. . . . . . . . . . . . . . . . . . . . . . 5-49
5.13 Defining the probe angle . . . . . . . . . . . 5-50
BLOCK . . . . . . . . . . . . . . . . . . . . . . . . . . 5-51
5.14 Enabling options (Upgrade). . . . . . . . . 5-52
5.15 Configuring the USM Go for
test tasks . . . . . . . . . . . . . . . . . . . . . . . . 5-53
TOF MODE. . . . . . . . . . . . . . . . . . . . . . . 5-53
Phantom echo detector. . . . . . . . . . . . . . 5-58
Configuring the measurement line . . . . . 5-59
Enlarged display of reading . . . . . . . . . . 5-62
LARGE (alarm signal). . . . . . . . . . . . . . . 5-64
MAGNIFY GATE (spanning the gate). . . 5-65
Activating the magnify gate function . . . . 5-66
Automatic A-scan freeze (Freeze) . . . . . 5-68
5.16 Setting the display . . . . . . . . . . . . . . . . 5-70
ASCAN FILL . . . . . . . . . . . . . . . . . . . . . . 5-71
Working with Echo Max . . . . . . . . . . . . . 5-72
5.17 General setup . . . . . . . . . . . . . . . . . . . . 5-73
EVAL MODE . . . . . . . . . . . . . . . . . . . . . . 5-73
Gate logic . . . . . . . . . . . . . . . . . . . . . . . . 5-74
Selecting the pulser type. . . . . . . . . . . . . 5-75
Locking the joystick. . . . . . . . . . . . . . . . . 5-76
Configuring the alarm output. . . . . . . . . . 5-77
Power saving mode . . . . . . . . . . . . . . . . 5-79
TOF in LAYER . . . . . . . . . . . . . . . . . . . . 5-80
Backwall echo attenuation (BEA) . . . . . . 5-82
Displaying the envelope curve
(ENVELOPE) . . . . . . . . . . . . . . . . . . . . . 5-83
Automatic gain control
(Auto Gain Control) . . . . . . . . . . . . . . . . . 5-84

Contents
0-6 Rev. 10 (06/2021) USM Go
Calibration reminder . . . . . . . . . . . . . . . . 5-86
Password protection . . . . . . . . . . . . . . . . 5-87
5.18 Distance-amplitude correction (DAC) . 5-91
Recording a DAC curve . . . . . . . . . . . . . 5-92
Setting up the DAC . . . . . . . . . . . . . . . . . 5-94
Turning the DAC evaluation off. . . . . . . . 5-95
Deleting the DAC curve . . . . . . . . . . . . . 5-96
Editing DAC points . . . . . . . . . . . . . . . . . 5-96
Adding DAC points . . . . . . . . . . . . . . . . . 5-97
Multiple DAC curves . . . . . . . . . . . . . . . . 5-97
AWS D1.1 in DAC/TCG . . . . . . . . . . . . . 5-99
Sensitivity correction . . . . . . . . . . . . . . . . 5-99
Echo evaluation using DAC/TCG . . . . . 5-100
5.19 Distance-amplitude curve according to
JIS Z3060-2002 (JISDAC) . . . . . . . . . . 5-102
Activating JISDAC
(DAC according to JIS) . . . . . . . . . . . . 5-102
Recording a DAC curve . . . . . . . . . . . . 5-102
Setting up JISDAC . . . . . . . . . . . . . . . . 5-105
Sensitivity correction . . . . . . . . . . . . . . . 5-106
Turning the JISDAC evaluation off . . . . 5-106
Deleting the DAC curve. . . . . . . . . . . . . 5-107
Echo evaluation using DAC . . . . . . . . . 5-107
5.20 Distance-amplitude curve
according to JB/T4730 and
GB 11345 (CNDAC) . . . . . . . . . . . . . . . 5-109
Evaluations according to CNDAC . . . . . 5-109
Standards and reference blocks . . . . . . 5-110
Activating the CNDAC. . . . . . . . . . . . . . 5-111
Recording a DAC curve . . . . . . . . . . . . 5-111
Setting up CNDAC . . . . . . . . . . . . . . . . 5-114
Sensitivity correction . . . . . . . . . . . . . . . 5-115
Adjusting reference lines. . . . . . . . . . . . 5-116
Turning the CNDAC evaluation off . . . . 5-116
Deleting the DAC curve. . . . . . . . . . . . . 5-117
Echo evaluation using DAC . . . . . . . . . 5-117
5.21 Evaluation according to the
DGS method . . . . . . . . . . . . . . . . . . . . 5-119
Using the DGS for measurements . . . . 5-119
Validity of the DGS method. . . . . . . . . . 5-121

Contents
USM Go Rev. 10 (06/2021) 0-7
Starting the echo height evaluation
according to DGS . . . . . . . . . . . . . . . . . 5-123
Basic settings for the
DGS measurement . . . . . . . . . . . . . . . . 5-123
Recording a reference echo and
turning the DGS curve on . . . . . . . . . . . 5-125
Locks, error messages . . . . . . . . . . . . . 5-127
Sound attenuation and
transfer correction. . . . . . . . . . . . . . . . . 5-128
Using multiple DGS curves. . . . . . . . . . 5-128
Turning the DGS evaluation off . . . . . . 5-129
Deleting a DGS reference echo . . . . . . 5-129
Probe data . . . . . . . . . . . . . . . . . . . . . . 5-130
trueDGS angle-beam probes . . . . . . . . 5-133
6Documentation
6.1 Test reports . . . . . . . . . . . . . . . . . . . . . . . 6-2
Storing test reports . . . . . . . . . . . . . . . . . . 6-2
Displaying test reports . . . . . . . . . . . . . . . 6-4
Printing test reports. . . . . . . . . . . . . . . . . . 6-6
Deleting test reports . . . . . . . . . . . . . . . . . 6-7
Storing the A-scan and parameters
in the test report . . . . . . . . . . . . . . . . . . . . 6-9
6.2 Storing memos . . . . . . . . . . . . . . . . . . . 6-10
Creating a new memo file . . . . . . . . . . . . 6-10
Editing a memo file . . . . . . . . . . . . . . . . . 6-11
Attaching a memo file to test report . . . . 6-12
6.3 Storing a report header . . . . . . . . . . . . 6-13
Creating a new header file . . . . . . . . . . . 6-13
Editing a header file . . . . . . . . . . . . . . . . 6-14
Including a header file in the test report . 6-15
6.4 Viewing and storing parameters . . . . . 6-16
6.5 Videos . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
Recording a video . . . . . . . . . . . . . . . . . . 6-17
Viewing a video. . . . . . . . . . . . . . . . . . . . 6-19
6.6 Documentation using UltraMATE . . . . 6-21
6.7 Data Recorder (option) . . . . . . . . . . . . . 6-22
Creating a Data Recorder file . . . . . . . . . 6-23
Activating a Data Recorder file . . . . . . . . 6-25
Storing readings in the grid matrix . . . . . 6-26

0-8 Rev. 10 (06/2021) USM Go
Deleting readings . . . . . . . . . . . . . . . . . . 6-27
A-scan preview . . . . . . . . . . . . . . . . . . . . 6-28
Viewing Data Recorder files . . . . . . . . . . 6-28
Turning the grid matrix on/off . . . . . . . . . 6-29
7Maintenance and care
7.1 Instrument care . . . . . . . . . . . . . . . . . . . . 7-2
7.2 Battery care . . . . . . . . . . . . . . . . . . . . . . . 7-2
Battery care. . . . . . . . . . . . . . . . . . . . . . . . 7-2
Charging the batteries. . . . . . . . . . . . . . . . 7-3
7.3 Maintenance . . . . . . . . . . . . . . . . . . . . . . 7-3
7.4 Software updates . . . . . . . . . . . . . . . . . . 7-4
Download of update files. . . . . . . . . . . . . . 7-4
Installing an update. . . . . . . . . . . . . . . . . . 7-5
8Interfaces and Peripherals
8.1 Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
USB interface . . . . . . . . . . . . . . . . . . . . . . 8-3
Service interface (Mini RS232-C) . . . . . . . 8-3
8.2 Peripherals. . . . . . . . . . . . . . . . . . . . . . . . 8-4
9Appendix
9.1 Function directory. . . . . . . . . . . . . . . . . . 9-2
9.2 EU Declaration of Conformity . . . . . . . 9-11
9.3 Manufacturer/Service addresses. . . . . 9-11
9.4 Environmental protection regulations 9-13
WEEE directive (Waste Electrical and
Electronic Equipment) . . . . . . . . . . . . . . . 9-13
Disposal of batteries . . . . . . . . . . . . . . . . 9-14

Contents
USM Go Rev. 10 (06/2021) 0-9
10 Specifications
10.1 Specifications of
USM Go and USM Go+ . . . . . . . . . . . . . 10-2
Display screen . . . . . . . . . . . . . . . . . . . . 10-2
Display . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
Connectors . . . . . . . . . . . . . . . . . . . . . . . 10-3
Memory. . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
Pulser . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
Gates . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6
Memory. . . . . . . . . . . . . . . . . . . . . . . . . . 10-6
Environment . . . . . . . . . . . . . . . . . . . . . . 10-7
Protection . . . . . . . . . . . . . . . . . . . . . . . . 10-8
Options . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9
10.2 Specifications according to
EN 12668 . . . . . . . . . . . . . . . . . . . . . . . 10-11
11 Index

0-10 Rev. 10 (06/2021) USM Go