Item specifics
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Origin
CN(Origin)
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Features
Switch
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Item Type
Switches
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Warranty
Normal
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Switch Type
Knob switch
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Certification
NONE
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Certification
NONE
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Switchs Type
Knob switchs
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Quantuty
10pcs
It is based on the movement of the liquid enclosed in the glass or metal casing to realize the switch. Therefore, compared with the mechanical switch, the liquid switch has many characteristics:
①It can be used in harsh environmental conditions. Because the liquid switch is sealed, the liquid inside is isolated from the outside, so it can be used in an environment with oil, steam, dust, and corrosive gases.
②The external force required for on-off is small. This liquid is the only metal that can remain liquid at room temperature. Its surface tension and specific gravity are both large. As long as a slight external force causes the liquid switch to tilt, the liquid can move to make the switch on and off.
③ This liquid has good conductivity, and the contact resistance liquid switch electrodes is generally less than 100mΩ.
④The allowable current of the liquid switch depends on the material of the electrode. The maximum allowable current for tungsten wire electrodes is 10A, while the maximum allowable current for general alloy wires is generally 1A.
⑤Because the on-off of the liquid switch is determined by the gravity of liquid, it can work reliably for a long time.
⑥The contact of the electrode is liquid contact, without any noise.
⑦Because liquid can flow, as long as the acceleration exceeds the set value, the liquid switch can be turned on or off, so it can be used as a vibration sensitive element.
⑧Small size, various forms, and fully sealed devices.
⑨Simple structure and low price.
The difference between liquid switch and vibration switch
1. All materials of the ball switch can meet the environmental protection requirements, but the liquid switch can not meet the requirements of its own material.
2. Due to the conduction method of the ball switch, the metal ball is energized with the trigger guide pin to generate a signal. Because the contact area between the ball and the trigger guide pin is small and the ball is movable, the conduction sometimes flashes off, and the liquid The switch is liquid in contact with the trigger terminal. Because liquid is liquid, the contact surface is large and stable. Generally speaking, the conduction effect is more stable.
3. The ball switch is a metal shell with good structural strength.
Package include: 10pcs
Precautions:
This liquid is toxic to the human body and the environment, so please be careful when using the liquid switch to prevent it from breaking; it should be handled properly when it is no longer used.
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