SDT 8 - User Manual 1
SDT International
Ultrasonic multi-
transmitter
Type SDT 8 and SDT 8 Multisetting
User manual
Aim of the manual
This manual is directed to anybody who wishes to use
an ultrasonic transmitter in the framework of ultrasonic
inspection. This transmitter should work linked to an
appropriate receiver, such as the SDT 150, the SDT 170
or the SDT Sherlog.
This manual contains information on:
• how to operate the equipment ;
• possible faults ;
• characteristics ;
• the principle of ultrasounds.
The information relating to the declaration of
conformity of the European Community, to the
guarantee, package, to areas of use and
recommendations for use are also included.
Contents
Declaration of conformity........................................................... 2
Guarantee ................................................................................. 2
Package .................................................................................... 2
Using the multi-transmitter ........................................................ 2
Recommendations .................................................................... 3
1. GENERAL PRESENTATION..............................4
2. IMPLEMENTATION ............................................5
The position of the multi-transmitter .......................................... 5
Powering “ON”........................................................................... 5
Measurements .......................................................................... 5
Powering “OFF”......................................................................... 5
Recharging the battery.............................................................. 5
3. APPLICATIONS..................................................7
Navy.......................................................................................... 7
Aeronautics ............................................................................... 7
Automobiles .............................................................................. 7
Trains ........................................................................................ 7
Buildings.................................................................................... 7
4. SDT 8 MULTISETTING.......................................8
5. OPERATIONAL PROBLEMS.............................9
Ultrasonic sensor ...................................................................... 9
Battery....................................................................................... 9
Control fuse............................................................................... 9
6. TECHNICAL CHARACTERISTICS ..................10
Transmission characteristics ................................................... 10
ON/OFF switch........................................................................ 10
Supply ..................................................................................... 10
Others ..................................................................................... 10
7. ANNEXES .........................................................11
The ultrasounds ...................................................................... 11
Propagation laws of the ultrasounds ....................................... 11
The bi-sonic mode................................................................... 11
Detection of a leak by ultrasound in an enclosed space.......... 12
The advantages of the SDT 8 ................................................. 12
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