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Sonicator not working

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venkates2218

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I'm having an SONICATOR,BANDELIN electronic TYPE RK 100 H with HF-Frequency 35.kHz.
Now a days it not working.Please refer the attached image file.This part located at the bottom the tank to generate frequency.Sorry I don't no the name of this part.
Whats the name of the this part and is their any way to rectify the issue on this part.
If it have to replace means,Is this part available in Online.
 

Unless the piezo discs aren't broken, you can be pretty sure that the problem is in the power oscillator circuit.

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A manufacturer application note about ultrasonic power transducer.
 

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  • chapter6a.pdf
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FvM said:
Unless the piezo discs aren't broken, you can be pretty sure that the problem is in the power oscillator circuit.

- - - Updated - - -

A manufacturer application note about ultrasonic power transducer.
Click to expand...

I can get 230VAC power supply at terminals of input to this part.
 

I can get 230VAC power supply at terminals of input to this part.
Click to expand...
Not the intended operation mode. There must be 35 kHz signal. Defective power stage?
 

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