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Monitor equipment for liq. level and time - uses reed relays sensitive to float level, and has associated electronic circuit and battery operated power supply
Monitor equipment for liq. level and time - uses reed relays sensitive to float level, and has associated electronic circuit and battery operated power supply
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机译：液体监控设备液位和时间-使用对浮球液位敏感的簧片继电器，并具有相关的电子电路和电池供电的电源
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摘要
The probe (1), whose length corresponds to the height of the tank, contains dry reed contacts spaced along its length, electrically connected through resistors. A float (3) housing an annular magnet (4) is free to move up and down the probe. A battery provides the electrical supply, with voltage regulation suing a Zener diode. The magnet operates the reed contacts. The resultant voltage change, which corresponds to a change in liquid level, in the tank, is detected by electrical circuitry and displayed. A time switch and an acoustic alarm are envisaged. The device is suitable for mobile and fixed installations.
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