Ultrasonic probe needed

Any affordable probes on the market Amazon?

Make your own !

Nothing affordable on Amazon, but Ebay has some good stuff. I originally got my probe new before the Pandemic and it was not too pricey… not the case anymore.

https://www.ebay.com/sch/i.html?_nkw=Ultrasonic%20Probe%20Sonicator&norover=1&mkevt=1&mkrid=711-156598-222121-3&mkcid=2&mkscid=102&keyword=ultrasonic%20probe%20sonicator&crlp=435055535721_&MT_ID=585526&geo_id=10232&rlsatarget=kwd-24602808371&adpos=&device=c&mktype=&loc=9021355&poi=&abcId=1141756&cmpgn=6524207990&sitelnk=&adgroupid=76674286005&network=g&matchtype=b&gclid=CjwKCAjw4ZWkBhA4EiwAVJXwqV5dDkRJD22CIm2m5ZdOXPQZC0A5ub9BNaJG0333Vb-rZAFfnyA5SRoCEp0QAvD_BwE

We got ours from Biobase in China off Alibaba and its been great for the last 3 years with light use. Paid 1600 for a 20mm.

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Don’t they need to be tuned for your setup ? I thought each one was tuned to the ultrasonic transducer it was to be used with