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A tamper switch (in a burglar alarm system for example) is designed to stop un-authorised access to the inside of the control panel.

It usually takes the form of a small micro-switch that activated when the cover is opened. Even if the alarm has been de-activated (by entering the correct code) the anti-tamper circuit is still active so long as there is power to the system. Cutting the lead to the external sounder, or the mains lead doesn't stop it either - there is usually an internal sounder, and a back-up battery.

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14y ago
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11y ago

send message to valve to open and close

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Q: What is the role of a tamper switch on butterfly valve?
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