Walkers Activity Test/Foil Ablation Test For Ultrasonics

HTM0105 states that you should test your ultrasonic cleaner quarterly with test foil to validate the operation of the transducers - tests the frequency of the vibration.

Walker Electronics advise testing of multi-transducer tanks with this foil.

Supplied in a roll 20mm Wide x 0.018mm thick x 50 metres long.