Analogue (dial control)

close up of dial controls on an ultrasonic cleaner


Manual adjustment ultrasonic cleaner. These entry level models have a simple knob or dial to set the cleaning time (0-20 minutes) and temperature (20 - 80 degrees C). There is no LED display. The standard of cleaning is exactly the same with the digital models. The only difference is the maximum time allowed with the dial operation timer is 20  minutes. Compare this with 99 minutes with the digital equivalent.
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