DK723 Industrial Controls

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Panel Meters

Panel Meters are devices used to measure electrical, thermal, and chemical properties in industrial and consumer applications. The DK723 is a digital panel meter designed to measure and display electrical parameters, such as voltage, current, frequency, power, and power factor. It is widely used in manufacturing, power distribution, and control systems.

Application Field

The DK723 panel meter is designed for the industrial electricity monitoring, power distribution and control systems. It is specifically designed for measuring electrical parameters, such as voltage, current, frequency, power, and power factor.

The DK723 panel meter is designed with the capability of displaying measurements that are much higher than its operating voltage. It can be used in industrial systems where traditional analog meters are not suitable due to their limited dynamic range. In addition, the DK723 panel meter is also capable of monitoring the efficiency of electric motors, as well as controlling power distribution in large industrial facilities.

Working Principle

The DK723 panel meter utilizes an integrated circuit with a voltage-to-frequency converter to monitor and display precise electrical measurements. The meter is able to measure signals up to 1000V, which is greatly above its operating voltage. Additionally, the unit is also able to measure signals down to a range of 0.2V, making it suitable for a wide range of applications.

The voltage-to-frequency conversion is achieved through the use of an astable multivibrator oscillator circuit. This circuit is connected to the input of the IC through a resistor. As the input voltage rises, the output of the circuit increases in the form of an oscillating signal.

The oscillating signal is then amplified in the IC and fed to a standard 4-digit LCD display, which displays the electrical parameter being measured. The measurements are updated every 5 seconds, allowing the user to have a constant view of the electrical parameters being monitored. The LCD display also features adjustable contrast and brightness for legibility in various lighting conditions.

In addition to displaying the electrical parameter, the DK723 panel meter also provides users with diagnostic information. The unit employs a “failure display” feature, which warns the user of any malfunction with a flashing warning symbol on the LCD display. This helps the user quickly and easily identify problems with the system.

The DK723 panel meter is an effective and reliable device for measuring and controlling electrical parameters in industrial and consumer applications. It is durable, accurate, and easy to use, making it an ideal choice for any application.

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