The 3171 is a low cost vibration sensitive switch for the protection of rotating plant and reciprocating machinery. It is adjustable to operate above the normal running levels of vibration, activating alarm or machine shut-down circuits.
Once operated the internal microswitch remains latched until reset.
The 3171 vibration switch, with its low frequency response, makes it ideal for detection of mass unbalance on most machines. It is inherently insensitive to high frequency components and those caused by external knocks, etc. Being responsive to vibrations in any directions (dominantly in a horizontal plane) installation problems are minimised.
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