Buzzer for vacuum bell jar

Ref:251023
Built-in battery
Easy to put in a vacuum pump
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€49.00 Incl. Tax
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Data sheet Buzzer for vacuum bell jar

Description

Buzzer fitted on foam to avoid any propagation of sound by vibration.
Sound variation by potentiometer.
Light indicator showing operation.
Theme: human histology Vacuum
Power supply: 9 V battery (supplied).

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