High quality, durable and affordable. The Magnetic Circuit Counter counts one digit every time the two sensors pass within 1/2 inch of each other. This makes it perfect for:
- Counting how many times a door opens.
- Counting the revolutions of a wheel.
- Counting a sliding object.
- Counting the movements of a lever.
- 5-digit display
- Max count per minute: 300
- Sensors can be mounted with included double sided tape or screws
- Power source: 1 X LR44 or AG13 button cell battery (easy to find at most stores)
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