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SDT 8 - User Manual 

 

 

      

 

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 
 

Summary of Contents for SDT 8

Page 1: ...arantee 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 PRESE...

Page 2: ...is cancelled if the product is damaged by incorrect use or by accident if the product is changed or altered in whatever manner or if attempts to repair or open the product are made without the permiss...

Page 3: ...not be discarded onto a flame recharging in a sealed box is prohibited due to gas leaks hydrogen all mechanical shocks able to break the box may adversely affect the life of the battery in the case o...

Page 4: ...eases as the charge decreases Off Equipment switched off or Battery charge insufficient 3 The ON OFF switch Located at the base this switch enables the equipment to be switched on ON position or stopp...

Page 5: ...ents The operator will respect the safety measures for use in relation to electric shocks caused by the use of equipments supplied by the mains The autonomy of the multi transmitter will therefore no...

Page 6: ...e charger to the mains connect the plug to the battery s support socket place the battery in the support contacts inside There is no preferential direction for the battery B a tt e ri e U SDT The batt...

Page 7: ...detector for example will ensure precise detection Other monitoring possibilities The SDT 8 may also be used to monitor the bulkhead compartments windows etc Monitoring in aeronautics is particularly...

Page 8: ...rasonic transmitter used in combination with an SDT Ultrasonic Detector Eight 8 oriented ultrasonic transducers are localized all around the unit for a variable 8x 125 mW ultrasonic power A 6 position...

Page 9: ...or enables the condition of the battery charge to be determined quickly It has the following codes Indicator Equipment On Equipment switched on Battery charge correct Flashing Equipment switched on Ba...

Page 10: ...attery Autonomy 2 5 hours at 20 C Charging time 6 hours Safety Chemical control fuse with automatic reset Others Temperature range 10 C to 50 C Measurements Length 160 mm Width 100 mm Height 95 mm Wei...

Page 11: ...second material absorption in the second material Ultrasonic wave Air Metal Air Reflection Refraction Absorption The three phenomena observed when ultrasound passes through a material Hence each time...

Page 12: ...the zone to be inspected compared with any other current technique Detection of a leak by ultrasound in an enclosed space The ultrasonic transmitter is placed in the volume or the zone to be tested F...

Page 13: ...SDT 8 User Manual 13...

Page 14: ...nual SDT 8 Multi transmitter User Manual Version 05 2008 Manufacturer Distributed by SDT INTERNATIONAL S A Boulevard de l Humanit 415 B 1190 Brussels BELGIUM Phone 32 2 332 32 25 Fax 32 2 376 27 07 e...

Page 15: ...SDT 8 User Manual 15...

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