“Vibrating” Liquid Level Indicator (Orange)- £13.25


– Place over the rim of a cup with the metal prongs going into the cup
– Once liquid reaches lower prongs the unit vibrates and makes a sound, when the liquid reaches the higher prong vibrate and sound speeds up.
– Add water and the tone sounds continuously when the level reaches 1/2″ from the top.
– Smooth hygienic wipe clean surface with no sharp probes or exposed wires.