Description
3MM Mercury switch Tilt switch Unidirectional Mercury switch, also known as tilt switch, is a kind of circuit switch. A small drop of mercury is stored in a small container followed by electrodes. Most of the containers are filled with inert gas or vacuum. Working principle Because of gravity, mercury droplets will flow with the lower part of the container. If the two electrodes are contacted at the same time, the switch will close the circuit and turn on the switch.
Features
- Weight: 15gm.
- Length: 35mm.
- Operating Voltage: 3.3 ~ 5VDC.
- Output Format: Digital switching outputs (0 and 1).
- Diameter: 4mm.
- The contacts are enclosed, so oxidation of the contact points is impossible.
- In hazardous locations, interrupting the circuit does not emit a spark that could ignite flammable gases.
- Contacts stay clean, and even if an internal arc occurs, the contact surfaces renew on every operation, so they don’t wear out.
- Even a small drop of mercury has low resistance, so switches can carry useful amounts of current in a small size.
- The sensitivity of the drop to gravity provides a unique sensing function and lends itself to simple, low-force mechanisms for manual or automatic operation.
- The switches are quiet, as no contacts abruptly snap together.
- The mass of the moving mercury drop provides an over-center effect to avoid chattering as the switch tilts.
Note: Mercury is Toxic to human body and environment, so when using mercury switch, please be careful to avoid breaking out when no longer in use, it should be handled properly.
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