[Lindsay] has a wonderful writeup about a new toy in the shop, an ultrasonic transducer. The 28kHz, 70W bolt-clamped Langevin transducer by itself is not much use, you need a power supply ...

Cheap ultrasonic scaler. The blue disk is for adjusting power. Foot switch not shown ... a custom attachment and x-acto knife blade to the transducer. Results were mixed, and it appears that ...

Rajeev, in a Facebook post, said Keltron has been continuously winning orders from the defense sector, and the latest order ...

Kerala's Keltron secures a contract to supply 336 ultrasonic transducer elements to the Vietnamese Navy, marking a remarkale ...