An 800ml bench cleaner built around a 304 stainless tank, which is the part worth paying attention to. Stainless resists the weak acids and alkalis in cleaning solutions, does not seep at the seams, and does not craze the way a plastic tank does after a year of use. The tank measures 150 by 85 by 65mm and takes rings, coins, watch parts, glasses, and dentures comfortably.
It runs at 40kHz with 35W of ultrasonic power - the frequency most commonly used for fine detail work, because the cavitation bubbles are small enough to reach into settings, hinges, and threads without pitting the surface around them. A digital panel sets the cycle anywhere from 10 to 900 seconds and starts automatically once set, and it runs quietly enough to leave going beside you.
A matching basket holds small items clear of the tank floor so they lift out easily and do not rattle against the transducer plate. Dry the tank out after each use rather than leaving standing water in it, which is what produces rust marks over time. Note that this particular model ships with an EU 220V plug only, so check that against your supply before ordering; overall size is 165 by 120 by 100mm.
