[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 ...

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

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 ...

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