Waygate Technologies Krautkramer USM 10 User manual

Krautkrämer USM 100
Operating Manual
Id. No. 160M4395 Rev. - (09/2021)

This Rev. - (09/2021) applies to software version:
1.0 (September 2021)
You will find the software version and the serial number of your instrument
in the About section (see page 104) in the General Settings menu (see page 99).
© Baker Hughes Digital Solutions GmbH | Technical content subject to change without notice.

Krautkrämer USM 100 Rev. - (09/2021) 3
Overview
Command bar
Switch between Command bar icons Reset envelope curve
Switch to the next panel Select the Gain Step (see page )
Switch to the previous panel Magnify Gate (see page )
A-scan freeze (Freeze, see page 66)Pause data recording
Set the echo to defined screen height
(AutoXX, see page 66)Continue data recording
Calibrate (record echo) Save reading in data grid
Delete (e.g. reference or data grid) Stop data recording

4 Rev. - (09/2021) Krautkrämer USM 100
Command bar (continued)
Quick save Export CSV file
Load settings Save screen capture
Save settings Save report
Load data Save multiple page report
Save data Lock the touchscreen operation

Krautkrämer USM 100 Rev. - (09/2021) 5
Function group icons
An alphabetical list of all functions in the function groups
can be found in the UT Function directory (see page 206).
A-Scan Auto Calibration
Material Probe Probe Angle
Pulser Receiver Evaluation
UT Setup Setup (Data Recorder)
Gates Display (Data Recorder)

6 Rev. - (09/2021) Krautkrämer USM 100
Status indicators
Power level indicators
(see following page) Reject function is active DAC mode = TCG is active
Freeze active (Freeze),
display is „frozen“ AGT is active DGS reference echo has
been recorded
Magnify gate is active
Angle probe 30° … 90°, flat
surface,
reflection from the backwall
DGS reference echo has
been recorded,
transfer loss > 0
Pulser-receiver separation
is turned off
Angle probe 30°, curved
surface, reflection from the
inner surface
dB REF is active
Pulser-receiver separation
is turned on
Angle probe 80°, curved
surface, reflection from the
outer surface
Calibration reminder
Pulser-receiver separation
is turned on and set to
through-transmission mode
Angle probe 90°, surface
wave
Touchscreen operation
is locked

Krautkrämer USM 100 Rev. - (09/2021) 7
Power level indicators
Internal Second
Battery is charged, remaining operating time in hours (approx. value)
Battery charge level, remaining operating time in hours (approx. value)
Warning: Low battery charge
Battery is empty
Power adapter is connected, percentage of battery charge level (approx. value)

8 Rev. - (09/2021) Krautkrämer USM 100
Key functions
1Move up on a menu or list,
decrement a numeric parameter
2Select an item from a menu or list
3Move down on a menu or list,
increment a numeric parameter
4Navigate between major areas of the screen
to select items for action
5On the back: Increase gain or move right
6On the back: Decrease gain or move left
Note
Keys with the same numbers have the same
functions when the instrument is inverted for
right or left operation.
5 6
5 6
1
2
3
4
3
2
1

Contents
Krautkrämer USM 100 Rev. - (09/2021) 9
1Introduction
1.1 Safety information . . . . . . . . . . . . . . . . . .20
Battery operation . . . . . . . . . . . . . . . . . . . .21
Battery transport . . . . . . . . . . . . . . . . . . . . .21
Software . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Defects/errors and exceptional stresses. . .22
FCC compliance . . . . . . . . . . . . . . . . . . . . .23
1.2 Important information on ultrasonic test-
ing24
Prerequisites for testing with ultrasonic test
equipment . . . . . . . . . . . . . . . . . . . . . . . . . .24
Operator training. . . . . . . . . . . . . . . . . . . . .24
Technical test requirements . . . . . . . . . . . .25
Limits of testing. . . . . . . . . . . . . . . . . . . . . .25
Ultrasonic wall thickness measurement . . .26
Effect of the test object material . . . . . . . . .26
Effect of temperature variations . . . . . . . . .27
Measurement of remaining wall thickness .27
Ultrasonic evaluation of flaws . . . . . . . . . . .27
Flaw boundary method . . . . . . . . . . . . . . . .27
Echo display comparison method . . . . . . . .28
1.3 The Krautkrämer USM 100 . . . . . . . . . . . .29
USM 100 Standard . . . . . . . . . . . . . . . . . . .30
USM 100 Pro . . . . . . . . . . . . . . . . . . . . . . .31
USM 100 Digital . . . . . . . . . . . . . . . . . . . . .32
1.4 How to use this manual . . . . . . . . . . . . . .33
General . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Attention and note symbols. . . . . . . . . . . . .33
2Standard package and accessories
2.1 Standard packages. . . . . . . . . . . . . . . . . .36
2.2 Accessories. . . . . . . . . . . . . . . . . . . . . . . .37
3Initial start-up
3.1 Instrument positioning . . . . . . . . . . . . . . .44
3.2 Power supply. . . . . . . . . . . . . . . . . . . . . . .44
Operation with power adapter. . . . . . . . . . .44
Using the batteries . . . . . . . . . . . . . . . . . . .46
Charging the batteries. . . . . . . . . . . . . . . . .50

Contents
10 Rev. - (09/2021) Krautkrämer USM 100
3.3 Connecting a probe . . . . . . . . . . . . . . . . 51
3.4 Inserting a USB stick . . . . . . . . . . . . . . . 52
3.5 Other connections . . . . . . . . . . . . . . . . . 53
3.6 Starting the USM 100 . . . . . . . . . . . . . . . 54
Powering On . . . . . . . . . . . . . . . . . . . . . . . 54
Powering Off . . . . . . . . . . . . . . . . . . . . . . . 55
3.7 Remote Connection Setup . . . . . . . . . . . 56
4Principles of operation
4.1 Main menu . . . . . . . . . . . . . . . . . . . . . . . . 60
4.2 Application desktop . . . . . . . . . . . . . . . . 61
4.3 A-scan view . . . . . . . . . . . . . . . . . . . . . . . 65
Command bar . . . . . . . . . . . . . . . . . . . . . . 66
A-scan representation. . . . . . . . . . . . . . . . 70
Function groups and functions . . . . . . . . . 73
Main functions sidebar . . . . . . . . . . . . . . . 74
Status indicators . . . . . . . . . . . . . . . . . . . . 75
Measurement line . . . . . . . . . . . . . . . . . . . 76
Information line . . . . . . . . . . . . . . . . . . . . . 77
4.4 Operation with touchscreen. . . . . . . . . . 78
Executing or selecting a function . . . . . . . 78
Selection lists . . . . . . . . . . . . . . . . . . . . . . 83
Positioning the gates. . . . . . . . . . . . . . . . . 86
4.5 Overview of key functions . . . . . . . . . . . 87
4.6 Operation with keys . . . . . . . . . . . . . . . . 88
Selecting a screen area . . . . . . . . . . . . . . 88
Executing or selecting a function . . . . . . . 89
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
4.7 Multi-color LED . . . . . . . . . . . . . . . . . . . . 93
5Operation
5.1 Important basic settings. . . . . . . . . . . . . 96
5.2 Saving the settings . . . . . . . . . . . . . . . . . 97
5.3 Loading settings . . . . . . . . . . . . . . . . . . . 98
5.4 General settings . . . . . . . . . . . . . . . . . . . 99
License . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Contents
Krautkrämer USM 100 Rev. - (09/2021) 11
Remote Connection . . . . . . . . . . . . . . . . .104
Updates . . . . . . . . . . . . . . . . . . . . . . . . . .104
About . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
5.5 Measurement line configuration . . . . . .105
5.6 UT function groups. . . . . . . . . . . . . . . . .106
5.7 Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Gain Step . . . . . . . . . . . . . . . . . . . . . . . . .107
Transfer Correction. . . . . . . . . . . . . . . . . .108
Custom Gain Step . . . . . . . . . . . . . . . . . .108
Auto XX Amplitude . . . . . . . . . . . . . . . . . .108
Offline Gain. . . . . . . . . . . . . . . . . . . . . . . .108
5.8 A-Scan . . . . . . . . . . . . . . . . . . . . . . . . . . .109
Display Range . . . . . . . . . . . . . . . . . . . . .109
Display Delay . . . . . . . . . . . . . . . . . . . . . .110
Probe Delay . . . . . . . . . . . . . . . . . . . . . . .110
Velocity . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Freeze Mode. . . . . . . . . . . . . . . . . . . . . . .111
Envelope. . . . . . . . . . . . . . . . . . . . . . . . . .112
Envelope Color . . . . . . . . . . . . . . . . . . . . .112
Grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Amplitude Ruler . . . . . . . . . . . . . . . . . . . .112
Range Ruler . . . . . . . . . . . . . . . . . . . . . . .113
A-Scan Color. . . . . . . . . . . . . . . . . . . . . . .113
Color Palette . . . . . . . . . . . . . . . . . . . . . . .113
Grid Color . . . . . . . . . . . . . . . . . . . . . . . . .113
Ref. A-Scan Color . . . . . . . . . . . . . . . . . . .114
Ref. Envelope Color . . . . . . . . . . . . . . . . .114
Color Leg . . . . . . . . . . . . . . . . . . . . . . . . .114
FileName Prefix . . . . . . . . . . . . . . . . . . . .115
5.9 Material Probe . . . . . . . . . . . . . . . . . . . . .116
Part Type . . . . . . . . . . . . . . . . . . . . . . . . .116
Velocity . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Thickness . . . . . . . . . . . . . . . . . . . . . . . . .117
Outer diameter . . . . . . . . . . . . . . . . . . . . .117
Probe Selection. . . . . . . . . . . . . . . . . . . . .117
Probe Name . . . . . . . . . . . . . . . . . . . . . . .117
Frequency . . . . . . . . . . . . . . . . . . . . . . . . .118
Probe Delay . . . . . . . . . . . . . . . . . . . . . . .118

Contents
12 Rev. - (09/2021) Krautkrämer USM 100
Probe Angle . . . . . . . . . . . . . . . . . . . . . . 118
Probe X-Value. . . . . . . . . . . . . . . . . . . . . 118
Effective Diameter. . . . . . . . . . . . . . . . . . 118
Delay Velocity . . . . . . . . . . . . . . . . . . . . . 118
5.10 Pulser Receiver . . . . . . . . . . . . . . . . . . . 119
Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Pulse Width. . . . . . . . . . . . . . . . . . . . . . . 120
PRF Mode. . . . . . . . . . . . . . . . . . . . . . . . 120
PRF Value. . . . . . . . . . . . . . . . . . . . . . . . 120
Averaging . . . . . . . . . . . . . . . . . . . . . . . . 121
Damping . . . . . . . . . . . . . . . . . . . . . . . . . 121
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Rectify . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Dual Mode. . . . . . . . . . . . . . . . . . . . . . . . 122
5.11 UT Setup . . . . . . . . . . . . . . . . . . . . . . . . 123
Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
AGC Mode . . . . . . . . . . . . . . . . . . . . . . . 123
AGC Max Amp / AGC Min Amp . . . . . . . 124
AGC Noise . . . . . . . . . . . . . . . . . . . . . . . 124
Alarm Output. . . . . . . . . . . . . . . . . . . . . . 124
LED Alarm. . . . . . . . . . . . . . . . . . . . . . . . 124
Averaging . . . . . . . . . . . . . . . . . . . . . . . . 124
Magnify gate . . . . . . . . . . . . . . . . . . . . . . 125
Analog Output . . . . . . . . . . . . . . . . . . . . . 125
5.12 Gates . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Tasks of the gates. . . . . . . . . . . . . . . . . . 126
Gate Selection. . . . . . . . . . . . . . . . . . . . . 126
Gate A Start . . . . . . . . . . . . . . . . . . . . . . 127
Gate A Width. . . . . . . . . . . . . . . . . . . . . . 127
Gate A Threshold . . . . . . . . . . . . . . . . . . 127
Gate A TOF Mode. . . . . . . . . . . . . . . . . . 128
Gate A Logic . . . . . . . . . . . . . . . . . . . . . . 131
Gate B Start . . . . . . . . . . . . . . . . . . . . . . 131
Gate B Width. . . . . . . . . . . . . . . . . . . . . . 131
Gate B Threshold . . . . . . . . . . . . . . . . . . 131
Gate B TOF Mode. . . . . . . . . . . . . . . . . . 131
Gate B Logic . . . . . . . . . . . . . . . . . . . . . . 131
Gate B Start Mode . . . . . . . . . . . . . . . . . 132
C/IF Gate Mode. . . . . . . . . . . . . . . . . . . . 133
Gate C Start . . . . . . . . . . . . . . . . . . . . . . 133

Contents
Krautkrämer USM 100 Rev. - (09/2021) 13
Gate C Width . . . . . . . . . . . . . . . . . . . . . .133
Gate C Threshold . . . . . . . . . . . . . . . . . . .133
Gate C TOF Mode . . . . . . . . . . . . . . . . . .133
Gate C Logic. . . . . . . . . . . . . . . . . . . . . . .133
Gate C Start Mode . . . . . . . . . . . . . . . . . .133
Gate IF Start . . . . . . . . . . . . . . . . . . . . . . .133
Gate IF Width . . . . . . . . . . . . . . . . . . . . . .134
Gate IF Threshold. . . . . . . . . . . . . . . . . . .134
Gate IF TOF Mode . . . . . . . . . . . . . . . . . .134
Gate IF Logic . . . . . . . . . . . . . . . . . . . . . .134
5.13 Auto Calibration . . . . . . . . . . . . . . . . . . .135
Velocity Cal Type . . . . . . . . . . . . . . . . . . .135
2-Point Cal Source . . . . . . . . . . . . . . . . . .135
S Ref 1 / S Ref 2. . . . . . . . . . . . . . . . . . . .135
5.14 Probe Angle. . . . . . . . . . . . . . . . . . . . . . .136
Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
Angle Cal Source . . . . . . . . . . . . . . . . . . .137
SDH Diameter. . . . . . . . . . . . . . . . . . . . . .137
SDH Depth . . . . . . . . . . . . . . . . . . . . . . . .137
Gate A Start . . . . . . . . . . . . . . . . . . . . . . .137
Gate A Threshold . . . . . . . . . . . . . . . . . . .137
5.15 Evaluation . . . . . . . . . . . . . . . . . . . . . . . .138
Eval Mode . . . . . . . . . . . . . . . . . . . . . . . . .139
dbRef Mode . . . . . . . . . . . . . . . . . . . . . . .139
Gate A Start . . . . . . . . . . . . . . . . . . . . . . .139
Eval Source. . . . . . . . . . . . . . . . . . . . . . . .139
Eval Points Source . . . . . . . . . . . . . . . . . .139
Define Points. . . . . . . . . . . . . . . . . . . . . . .139
DAC Point . . . . . . . . . . . . . . . . . . . . . . . . .140
DAC Distance . . . . . . . . . . . . . . . . . . . . . .140
DAC / TCG . . . . . . . . . . . . . . . . . . . . . . . .140
Offset Mode . . . . . . . . . . . . . . . . . . . . . . .140
Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Offset 1 . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Curve Color. . . . . . . . . . . . . . . . . . . . . . . .141
DGS Mode . . . . . . . . . . . . . . . . . . . . . . . .141
DGS Curve . . . . . . . . . . . . . . . . . . . . . . . .141
Probe Selection. . . . . . . . . . . . . . . . . . . . .141
Probe Name . . . . . . . . . . . . . . . . . . . . . . .141
Frequency . . . . . . . . . . . . . . . . . . . . . . . . .141

Contents
14 Rev. - (09/2021) Krautkrämer USM 100
Effective Diameter. . . . . . . . . . . . . . . . . . 141
Delay Velocity . . . . . . . . . . . . . . . . . . . . . 142
Reference Type . . . . . . . . . . . . . . . . . . . 142
Reference Size . . . . . . . . . . . . . . . . . . . . 142
Reference Attenuation . . . . . . . . . . . . . . 142
Amplitude Correction . . . . . . . . . . . . . . . 142
Test Attenuation . . . . . . . . . . . . . . . . . . . 143
Transfer Correction . . . . . . . . . . . . . . . . . 143
AWS Mode . . . . . . . . . . . . . . . . . . . . . . . 143
JISDAC Mode . . . . . . . . . . . . . . . . . . . . . 143
Bold Line . . . . . . . . . . . . . . . . . . . . . . . . . 143
CNDAC Mode . . . . . . . . . . . . . . . . . . . . . 143
Acceptance Level . . . . . . . . . . . . . . . . . . 144
Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Cal Block. . . . . . . . . . . . . . . . . . . . . . . . . 144
Defect Length . . . . . . . . . . . . . . . . . . . . . 144
Acceptance Line . . . . . . . . . . . . . . . . . . . 144
Recording Line . . . . . . . . . . . . . . . . . . . . 144
Evaluation Line . . . . . . . . . . . . . . . . . . . . 144
5.16 Calibration . . . . . . . . . . . . . . . . . . . . . . . 145
Calibrating the probe delay and velocity . 145
Choice of the measuring point . . . . . . . . 145
Calibration with Multi BW . . . . . . . . . . . . 146
Calibration with Multi Step. . . . . . . . . . . . 147
Calibration using dual-element probes . . 148
5.17 Defining the probe angle . . . . . . . . . . . 149
5.18 dB REF . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Recording a reference echo . . . . . . . . . . 150
Deleting a reference echo . . . . . . . . . . . . 150
Echo height comparison . . . . . . . . . . . . . 151
5.19 DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Recording a DAC curve . . . . . . . . . . . . . 153
Turning the DAC evaluation off . . . . . . . . 155
Deleting the DAC curve. . . . . . . . . . . . . . 155
Multiple DAC curves . . . . . . . . . . . . . . . . 156
Echo evaluation using DAC/TCG . . . . . . 157
5.20 DGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Validity of the DGS method. . . . . . . . . . . 161
Settings for the DGS measurement . . . . 163

Contents
Krautkrämer USM 100 Rev. - (09/2021) 15
Recording a reference echo and turning the
DGS curve on . . . . . . . . . . . . . . . . . . . . . .163
Locks, error messages . . . . . . . . . . . . . . .164
Sound attenuation and transfer correction165
Using multiple DGS curves. . . . . . . . . . . .165
Turning the DGS evaluation off . . . . . . . .166
Deleting a DGS reference echo . . . . . . . .166
Probe data . . . . . . . . . . . . . . . . . . . . . . . .167
trueDGS angle-beam probes . . . . . . . . . .170
5.21 AWS D1.1 / AWS D1.5. . . . . . . . . . . . . . .171
5.22 JISDAC. . . . . . . . . . . . . . . . . . . . . . . . . . .174
5.23 CNDAC. . . . . . . . . . . . . . . . . . . . . . . . . . .175
Evaluations according to CNDAC. . . . . . .175
Standards and reference blocks . . . . . . . .176
6Documentation
6.1 Test reports . . . . . . . . . . . . . . . . . . . . . . .178
Saving test reports . . . . . . . . . . . . . . . . . .178
Printing test reports. . . . . . . . . . . . . . . . . .178
Deleting test reports . . . . . . . . . . . . . . . . .178
Displaying test reports . . . . . . . . . . . . . . .179
Test report setup. . . . . . . . . . . . . . . . . . . .179
6.2 Screen captures . . . . . . . . . . . . . . . . . . .180
6.3 Data Recorder . . . . . . . . . . . . . . . . . . . . .181
Switching between views . . . . . . . . . . . . .182
Changing the display size . . . . . . . . . . . . .182
Creating a data recorder file . . . . . . . . . . .183
Display . . . . . . . . . . . . . . . . . . . . . . . . . . .186
6.4 File management. . . . . . . . . . . . . . . . . . .187
File management functions. . . . . . . . . . . .188
Import . . . . . . . . . . . . . . . . . . . . . . . . . . . .188
Export . . . . . . . . . . . . . . . . . . . . . . . . . . . .189
Rename . . . . . . . . . . . . . . . . . . . . . . . . . .189
Delete . . . . . . . . . . . . . . . . . . . . . . . . . . . .190

16 Rev. - (09/2021) Krautkrämer USM 100
7Maintenance and care
7.1 Maintenance . . . . . . . . . . . . . . . . . . . . . 192
7.2 Instrument care . . . . . . . . . . . . . . . . . . . 192
7.3 Battery care . . . . . . . . . . . . . . . . . . . . . . 193
Transport and storage. . . . . . . . . . . . . . . 193
Charging . . . . . . . . . . . . . . . . . . . . . . . . . 194
Battery life and temperature . . . . . . . . . . 194
Disposal of batteries . . . . . . . . . . . . . . . . 195
7.4 Software updates . . . . . . . . . . . . . . . . . 196
Installing an update. . . . . . . . . . . . . . . . . 196
Update in case of malfunction. . . . . . . . . 197
7.5 License upgrade . . . . . . . . . . . . . . . . . . 198
8Interfaces and Peripherals
8.1 Interfaces . . . . . . . . . . . . . . . . . . . . . . . . 200
Overview . . . . . . . . . . . . . . . . . . . . . . . . . 200
USB-A interface . . . . . . . . . . . . . . . . . . . 201
USB-C interface . . . . . . . . . . . . . . . . . . . 201
WLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
I/O interface. . . . . . . . . . . . . . . . . . . . . . . 203
9Appendix
9.1 UT Function directory. . . . . . . . . . . . . . 206
9.2 Manufacturer . . . . . . . . . . . . . . . . . . . . . 214
9.3 Service contacts . . . . . . . . . . . . . . . . . . 215
9.4 Environmental protection regulations 216
WEEE directive (Waste Electrical
and Electronic Equipment) . . . . . . . . . . . 216
Disposal of batteries . . . . . . . . . . . . . . . . 217

Contents
Krautkrämer USM 100 Rev. - (09/2021) 17
10 Specifications
General features . . . . . . . . . . . . . . . . . . . .220
Environmental. . . . . . . . . . . . . . . . . . . . . .221
Display . . . . . . . . . . . . . . . . . . . . . . . . . . .221
Interfaces . . . . . . . . . . . . . . . . . . . . . . . . .222
Transmitter . . . . . . . . . . . . . . . . . . . . . . . .222
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . .223
Data acquisition . . . . . . . . . . . . . . . . . . . .224
Gates . . . . . . . . . . . . . . . . . . . . . . . . . . . .224
11 Index

18 Rev. - (09/2021) Krautkrämer USM 100

Krautkrämer USM 100 Rev. - (09/2021) 19
Introduction 1

1 Introduction Safety information
20 Rev. - (09/2021) Krautkrämer USM 100
1.1 Safety information
The Krautkrämer USM 100 has been designed and
tested according to IEC 61010-1, Safety requirements
for electrical equipment for measurement, control and
laboratory use, and was technically in perfectly safe and
faultless condition when leaving the manufacturing
works.
In order to maintain this condition and to ensure a safe
operation, you should always read the following safety
information carefully before putting the instrument into
operation.
The USM 100 is designed to meet the ingress protec-
tion level IP67 per IEC 60529-1. It can be operated ei-
ther with the corresponding lithium-ion batteries or with
the power adapter. The power adapter meets the re-
quirements of electrical safety class II.
ATTENTION
This product is not designed nor rated for use
in hazardous locations.
ATTENTION
Risk of injury due to electric energy!
The pulse voltage on the probe ports of the
USM 100 is exceeding 50 V but limited in
charge.
Only operate the USM 100 in the defined operating
ranges (see Specifications from page 219).
Only connect testing equipment conforming to the de-
fined operating conditions (see Connecting a probe on
page 51).
ATTENTION
The USM 100 is an instrument for materi-
als testing. Any use for medical or any
other applications is not permitted!
The instrument may only be used in industri-
al environments.