Review on 5-Pack BNYZWOT RC-36 Recessed NC Security Alarm Contact Sensors For Doors And Windows With Magnetic Reed Switches by Joe Patterson
Good quality alarm contacts
Bought for use as a mechanical position sensor. Never made it to project because application wasn’t suited for magnetic reed switches due to high vibration (mounted on throttle control of small single cylinder engine). A reed switch can chatter on and off or fail mechanically due to high vibration. I checked several of the contacts and they work fine. Decent quality at low price so I put them in the parts locker for future use. Used a Hall effect sensor for the high vibration application which is a bit more complicated due to additional driver circuitry but it’s solid state and immune to shock and vibe. Gave them 5 stars for functional for alarm application and quality for the price.
- Product Name : Magnetic Door Switch;Contact Type : NC, Normally Close;Contact Capacity : 0.5A(Maximum Switch Current)
- Inaccuracy: The magnetic reed switches may be prone to anomalies, leading to false alarms or a lack of response when a door or window is opened or closed
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