Vallen spotWave 201 User manual

spotWave Instructions Manual
Instructions Manual
Revision 2022-07

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Table of Contents
1. spotWave Instructions Manual ..................................................................................................................... 3
1.1. Original Instructions .............................................................................................................................. 3
1.2. Information Provided in the Manual ...................................................................................................... 3
1.3. Information Provided in Other Resources............................................................................................. 3
1.4. Intended Audience ................................................................................................................................ 3
2. Contact Information ...................................................................................................................................... 4
3. Regulatory Information ................................................................................................................................. 5
4. Safety Notices .............................................................................................................................................. 6
5. Safety Symbols ............................................................................................................................................ 7
6. Important Information for Your Safety .......................................................................................................... 8
7. Important Handling Information .................................................................................................................... 9
8. Software and Firmware Updates................................................................................................................ 10
9. Differentiation of Hardware and Terms ...................................................................................................... 11
10. General Information about the Usage .................................................................................................... 12
10.1. Intended Use ................................................................................................................................... 12
10.2. Environmental Conditions................................................................................................................ 13
11. Reasonably Foreseeable Misuse ........................................................................................................... 14
12. Hardware Types...................................................................................................................................... 15
12.1. Mechanical Properties ..................................................................................................................... 16
13. Operating Elements of a spotWave Device ............................................................................................ 17
13.1. USB Mini-B Connector .................................................................................................................... 17
13.2. LED.................................................................................................................................................. 17
13.3. Sensor Connector (in) ..................................................................................................................... 18
13.4. CCT Connector (out) ....................................................................................................................... 18
14.Storing, Transporting and Shipping ........................................................................................................ 19
15. Installation............................................................................................................................................... 20
15.1. Connecting to Power ....................................................................................................................... 20
15.2. Establishing Connection to an End Device ..................................................................................... 20
16. Operating a spotWave Device ................................................................................................................ 22
16.1. Connecting an AE Sensor ............................................................................................................... 22
16.2. Connecting a Coupling Check Transducer...................................................................................... 22
16.3. Operation Modes ............................................................................................................................. 22
16.4. Measurement Mode......................................................................................................................... 23
16.5. Command Set.................................................................................................................................. 24
17. Accessories............................................................................................................................................. 38
17.1. Cables.............................................................................................................................................. 38
17.2. AE Sensors...................................................................................................................................... 38
18. spotWave Device Extension: Coupling Check Transducer .................................................................... 39
19. Maintenance ........................................................................................................................................... 40
19.1. System Verification.......................................................................................................................... 40
19.2. What to Do in Case of Malfunction or Damage............................................................................... 40
20. Compliances Statement.......................................................................................................................... 41
21. Regulations Concerning Redemption and Disposal ............................................................................... 42

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22. Restriction of Hazardous Substances (RoHS) ....................................................................................... 43
23. spotWave Device Data Sheet................................................................................................................. 44
24. Worldwide Representatives .................................................................................................................... 47
1. spotWave Instructions Manual
This instructions manual applies to the device type spotWave model 201 and input ranges of 94 dBAE,
100 dBAE and 134 dBAE.
Read the instructions manual before the first use of the product and follow the instructions to ensure safe
usage of the product.
1.1. Original Instructions
The original instructions are written in English language and are verified by Vallen Systeme GmbH.
1.2. Information Provided in the Manual
The information provided in the instruction’s manual shall enable an operator a safe storage, transportation,
installation and operation of the device.
1.3. Information Provided in Other Resources
The spotWave Operation Manual describes the usage of the spotWave acoustic emission measurement
device with a focus on the acquisition and analysis software.
The technical specifications of a spotWave device are summarized in the spotWave Device Specification.
Accessories such as cables, sensors, magnetic holders, etc. are specified and described in the according
data sheets and summarized in the Accessories for Acoustic Emission Systems document.
1.4. Intended Audience
This instructions manual is intended for qualified personnel. Qualified personnel have one or more of the listed
characteristics:
•have an appropriate technical education
•can recognize the safety of a spotWave device
•have been trained to operate a spotWave device
•hold a valid certification according to ISO 9712, ASNT or any other comparable standard or
standardization organization
Furthermore, such personnel know regulations concerning employment protection and on-the-job safety.

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2. Contact Information
Vallen Systeme GmbH is the manufacturer of Acoustic Emission measurement systems and accessories for
acoustic emission testing.
Vallen Systeme GmbH
Buergermeister-Seidl-Str. 8
82515 Wolfratshausen
Germany
telephone: 0049 8171 38391 0
Information about Vallen Systeme GmbH and the products can be found at www.vallen.de

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3. Regulatory Information
Electronic versions of this document may be read online, downloaded for the intended use, or referenced in
another document as an URL to a Vallen Systeme GmbH website. No part of this document may be published
commercially in print or electronic form, edited, translated, or otherwise altered without the permission of
Vallen Systeme GmbH.
Trademark and Licenses
The hardware and/or software described herein are furnished under a license and may be used or copied only
in accordance with the terms of such license.
AMSY-6, ASIP-2, spotWave, conditionWave, linWave, WaveLine, SmartLine, VisualAE, VisualClass and
VisualTR are trademarks of Vallen Systeme GmbH.
Disclaimer
Vallen Systeme GmbH disclaims to the maximum extent permitted by applicable law all warranties, either
expressed or implied with regard to this document and any information contained herein, including but not
limited to the implied warranties of merchantability and fitness for a particular purpose. Vallen Systeme GmbH
shall not be liable for errors or for incidental or consequential damages in connection with the furnishing, use,
or performance of this document or any information contained herein.

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4. Safety Notices
The following safety notice(s) are used in this manual.
NOTICE
A NOTICE notice denotes a hazard. It calls attention to an operating procedure, practice, or the like that, if not
correctly performed or adhered to, could result in damage to the product or loss of important data. Do not
proceed beyond a NOTICE notice until the indicated conditions are fully understood and met.

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5. Safety Symbols
No safety symbols are used on the device.

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6. Important Information for Your Safety
Read these instructions carefully and follow them in order to safely operate the equipment
and to maintain safety throughout its usage. Always make sure that the equipment is used
in the intended way. Keep the instructions manual available for later usage.
Do not operate damaged equipment. Whenever it is possible that the safety protection
features built into this product have been impaired, either through physical damage,
excessive moisture, or any other reason, remove power and do not use the product until
safe operation can be verified by service-trained personnel. If necessary, return the
product to a Vallen Systeme GmbH sales and service office for service and repair to
ensure that safety features are maintained.
Only use accessories that are approved by Vallen Systeme GmbH.
Always make sure that you comply with all regulations at the site of installation of the
device.
A spotWave device has to be installed and used in non-hazardous areas. Do not operate a
spotWave device in an explosion hazardous area.

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7. Important Handling Information
NOTICE
Impaired Ingress Protection
Ingress protection requirements are only met in mated condition. Make sure an AE sensor and CCT-device is
connected, and the USB plug secured. Otherwise the device is not waterproof and IP67 rating is not given.
How to Avoid Damaging the spotWave Device
Only expose the spotWave device to a moist and wet environment in mated condition, meaning with AE
sensors, CCT-device connected and USB connector securely fixed.
Do not expose the device to dirt and humidity or submerse it in a liquid with open connectors.
What to do in Case of a Damaged Device
In the case a spotWave device got exposed to humidity, dirt or water, in unmated condition send the device to
Vallen Systeme in order that correct function can be verified by Vallen Systeme. Similarly, if a liquid was able
to enter its housing send it to Vallen Systeme for verifying its correct function.

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8. Software and Firmware Updates
Vallen Systeme GmbH releases software updates including new firmware for its measurement devices to (i)
add new features, (ii) include product enhancements and (iii) fix software issues. The latest software release
can be obtained from www.vallen.de/downloads.

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9. Differentiation of Hardware and Terms
spotWave
spotWave is a trademark of Vallen Systeme and the type designation of a single channel AE measurement
system that can be operated by a mobile device or a PC. It has a USB interface for communications and
power supply. Measurement data is stored to the host device to a *.pridb and .*tradb file.
linWave
linWave is a trademark of Vallen Systeme and the type designation of a dual-channel AE measurement
system that can be integrated into an existing LAN infrastructure. The measurement data is collected over the
LAN interface by an acquisition software that is running on a host device.
conditionWave
conditionWave is a trademark of Vallen Systeme and the type designation of a dual-channel AE measurement
system that can be integrated into an existing LAN infrastructure and a machine monitoring environment. It
receives commands via an API.
Measurement device vs. measurement system
A spotWave-, linWave- or conditionWave measurement system consists of the appropriate measurement
device (or simply called device), an AE sensor, and an end device (such as a PC, laptop, mobile device, etc.)
as well as all necessary accessories for conducting a measurement. The device is the box or chassis which
holds the signal processor and logic. It is labeled accordingly as spotWave-, linWave- or conditionWave
device.

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10. General Information about the Usage
A spotWave device is part of the spotWave measurement system (short: spotWave system). The single
channel spotWave system can be used for measuring acoustic emission. It can be operated in an acquisition
mode or logging mode. Figure 1 shows a block diagram of the spotWave system in acquisition mode.
Figure 1: spotWave measurement system (acquisition mode) as block diagram consisting of one AE sensor, one coupling
check transducer (CCT), the spotWave device, and a PC or mobile device running the data acquisition program storing
the measurement data.
In acquisition mode the spotWave system consists of an AE sensor, of an optional coupling check transducer,
the spotWave device and a suitable end device (e.g. PC, tablet or smartphone). The end device is required for
storing measurement data and supplying power.
Figure 2 shows a block diagram of the spotWave system in logging mode. For the logging mode the
spotWave device is configured by the use of an appropriate end device. After the configuration for logging
mode the end device is disconnected. An external power supply needs to be connected to the USB interface
of the spotWave device. When powered the spotWave device records and stores AE data autonomously.
After finishing the logging mode, an end device is used to collect the accumulated AE feature data via the
USB connection.
Figure 2: spotWave measurement system (logging mode) as block diagram consisting of one AE sensor, one coupling
check transducer, the spotWave device and a PC or mobile device for configuring the spotWave device and collecting the
data. The USB connection is not persistent.
In logging mode, the spotWave system consists of an AE sensor, of an optional coupling check transducer,
the spotWave and an USB power bank. An end device is not required for operation, just for downloading the
AE feature data.
The spotWave system measures event based Acoustic Emission in both logging- and acquisition mode. An
event-based measurement is characterized by measuring individual bursts that are separated in time. The
spotWave device extracts features from the time domain of the AE signal according to EN 13477-1. The
spotWave device also provides the sampled burst signal (i.e. the waveform) at the device’s interface to the
acquisition software if operated in acquisition mode. In logging mode waveforms are not stored.
10.1. Intended Use
The spotWave device as part of the spotWave measurement system is used to digitize the AE signal, apply
bandpass filters to it, extract features of the time stream of data, prepare the transient signal for storing it to an
end device and to provide a USB interface to a remote device for collecting the measurement data. The

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intention is to measure signals with amplitudes in the range of a few Microvolts to Volt and a frequency range
of 20 kHz to 500 kHz. As of these characteristics it is suited for measuring Acoustic Emission.
The coupling check transducer is driven by the spotWave device and can be used as an artificial source of
acoustic emission for (i) checking the mounting quality and function of the AE sensor, (ii) measuring the
time-of-flight or (iii) measuring the speed of sound.
Acquisition software, compatible to Android 8 or later and Windows 10, is part of the spotWave device. A
license for using the VisualAE™ analysis program is also part of the spotWave device.
A spotWave AE measurement system shall only be used by qualified personnel. A definition of qualified
personnel can be found in the section Intended Audience.
10.2. Environmental Conditions
Environment Specification
Site of installation Indoor and outdoor
Temperature range 0 °C to +50 °C
Relative humidity No limitations
Maximum altitude 2000 m
Pollution degree (*) 4 (in mated condition)
Ingress Protection IP67 (in mated condition)
(*) per IEC 61010-1 and 60664-1.

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11. Reasonably Foreseeable Misuse
The spotWave device shall only be used in the foreseen measurement frequency range. Do not use it with
sensors that provide output signals in a frequency range too low (less than 1 kHz) or too high (more than 1
MHz). Especially do not use it with e.g. temperature sensors, strain gauges, displacement sensors or AE
sensors with RMS and/or stretched APK output.
The spotWave device is rated IP67 in mated condition. The spotWave device is water tight for a period of
30 minutes submerged in a depth up to 1 m. Do not submerge the spotWave device for a longer period of
time or at a greater depth.
A spotWave device can only be used in a non-hazardous area. Do not install and use a spotWave device in
an explosion hazardous area.

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12. Hardware Types
The spotWave device is characterized by its model number and input range. The full description of the
spotWave device is indicated on the side of it.
The spotWave device code consists of <type>_<sampling-rate><channel-number>_<input-range>dBAE:
•<type>: device type designation: spotWave
•<sampling-rate> max. sampling rate in MHz
•<channel-number> double-digit channel number
•<input-range> the input range in dBAE scale.
Type Sampling
rate in MHz
Channel No. Model Input
Range
Code
spotWave 2 1 201 94 dBAE spotWave_201_94dBAE
100 dBAE spotWave_201_100dBAE
134 dBAE spotWave_201_134dBAE

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12.1. Mechanical Properties
Property Specification
Dimensions 78 mm x 14 mm x 58 mm (W x H x D)
Weight 107 g
Ingress
Protection
IP67 (*)
Connector 2x SMA female, 1x USB mini-B female
LED 1x RGB LED for indicating operational conditions
(*) No ingress of dust; complete protection against contact (dust-tight). No ingress of water in harmful quantity
when immersed in water at a depth of 1 m for 30 minutes

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13. Operating Elements of a spotWave Device
Figure 3 shows the front panel elements of a spotWave device.
Figure 3: Operation elements of a spoWave device
13.1. USB Mini-B Connector
A spotWave device is connected to a mobile device or PC via USB and also powered over it.
Property Description
USB USB mini-B female connector
Use an end device such as a PC, laptop or mobile device for configuring the spotWave, starting and stopping
storage of measurement data and as data storage device.
Connect a USB power bank instead of an end device to power the spotWave device and for running it in
Logging Mode (see next section).
13.2. LED
The LED indicates the status of the device.
Property Description
Blue – on Power on, ready to measure burst signal
Blue – blinking (5s interval) Logging mode active, ready to measure burst signals
Green – flashing Detection threshold exceeded, measurement of a burst signal is started
(holding time 30 ms)
Yellow – flashing Detection threshold exceeded, measurement of a burst signal started,
saturation of ADC occurred (95% of input range exceeded; holding time 30
ms)
Red – blinking Buffer full in Acquisition mode or logging memory full in Logging mode.
USB mini-B connector
SMA connector CCT
SMA connector sensor
LED

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13.3. Sensor Connector (in)
The SMA socket labelled Sensor is used to connect an AE sensor to it.
Property Description
Connector type SMA (IP67), female
Input impedance 16 kΩ || 12 pF (±50 mV, ±100 mV input range); 500 kΩ || 940 pF (±5000 mV
input range)
Input range (*)94 dBAE, (±50 mV), 100 dBAE, (±100 mV) 134 dBAE, (±5000 mV)
(*)The input range is defined by hardware and marked on the device
13.4. CCT Connector (out)
The CCT connector (Coupling Check Transducer) is used to connect a coupling check transducer to the
spotWave device.
Property Description
Connector type SMA (IP67), female
Output range 3.3 V, 20 mA

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14. Storing, Transporting and Shipping
A spotWave device is delivered in a special card-board box. It shall be used for storage and transportation
since it offers protection against shock.
Make sure that the environmental conditions are within specified limits during storage, transportation or
shipping of the device.
When a spotWave device is stored or has to be shipped, make sure that the device is protected against ESD.

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15. Installation
Make a visual check of the housing components and connectors when installing a device after it has been
shipped or transported. Do not continue with installation (or operation) of a device that is visibly damaged.
Contact your service technician or Vallen Systeme GmbH for guidance.
The environmental conditions at the installation site need to comply with the specified ones.
The spotWave device is passively cooled and does not require extra or a guaranteed airflow if it is operated
within the specified environmental limits.
In the case of a long-term or permanent monitoring task the installation site should not be exposed to
permanent direct sunlight for reasons of overheating the device.
15.1. Connecting to Power
The spotWave is powered over USB. To power it connect the device to a PC or mobile device or a battery
pack with USB interface.
The spotWave device’s LED is switched to blue if it is powered.
15.1.1. Power Requirements
Description Specification
Power supply USB (5 V)
Power consumption < 0.7 W
15.2. Establishing Connection to an End Device
The spotWave device is of the USB communications device class (USB CDC). It does not require a specific
driver to be recognized and initialized by the end device.
The connection between the spotWave device and the end device is established via USB 2.0. The spotWave
device is automatically detected if it is connected to an end device
In order to install and run the Acquisition software the end device needs fulfill the requirements listed in
section 15.2.1.
15.2.1. Mobile Device Specifications
A mobile end device needs to run the Android 8 operating system or any later one. The mobile device needs
to comply with the OTG standard. Such devices are usually marked with the label shown in figure 4.
Figure 4: USB On-The-Go logo
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