20028-20

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Panel meters are widely used to measure electrical quantities such as voltage, current, frequency, power, and even time. Counter, hour meters are a type of panel meter. They are specifically used to count and measure elapsed time. Manufacturers typically offer a wide range of counter-hour meter models with different combinations of features.

200281-20 Application Field and Working Principle

1.Application Field

Counter-hour meters are primarily used to monitor and measure rotation speeds in various types of machinery and equipment. These applications include motor speed control, conveyor belt speed control, and rotational speed detection on a wide variety of industrial equipment. In addition, counter-hour meters are also commonly used in electrical control panels for surge protection, service metering, electrical/mechanical machine downtime, and system protection.

2.Working Principle

The counter-hour meter works by measuring the number of revolutions (or pulses) of a rotating shaft. The most commonly used types of counter-hour meters employ either optical or magnetically actuated sensors for revolutions measurement. With an optical sensor, the meter counts the number of light pulses generated by the rotation of a shaft. The number of pulses is proportional to the rotation speed of the shaft and is displayed on an LCD or LED display.

Magnetically actuated sensors are also commonly used in counter-hour meters. In this type of meter, a ferrous metal wheel attached to the shaft is used as the sensor. The wheel contains slots that interrupt a magnetic field. As the wheel rotates, the slots are sensed by a Hall effect device connected to the meter. A certain number of pulses are generated for each rotation of the wheel, and these pulses are counted and displayed on an LCD or LED display.

3.Advantages Of Counter-Hour Meter

Counter-hour meters offer numerous advantages. They provide precise and accurate measurements, are easy to install and use, and provide reliable data readouts for long periods of time. In addition, these meters are designed to be vibration-resistant and are very accurate. They also require minimal maintenance and are very cost-effective.

Counter-hour meters are also advantageous because they allow for remote monitoring. With the use of a transmitter/receiver system, these meters can be linked up to a remote data gathering system. The data can then be remotely monitored and managed in near real-time from anywhere in the world. This allows for quick and effective decision making in critical operating situations.

4.Conclusion

Counter-hour meters are used to measure rotation speeds in industrial equipment and motor controllers. These meters are accurate, reliable, and require minimal maintenance. They also offer the capability for remote monitoring and data gathering. With their numerous advantages, they are an invaluable tool for the industrial automation industry.

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