LM-HS3KS-H14

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Panel meters are used in many electrical and electronic circuits to monitor current, voltage, or other process parameter values. Generally, a panel meter consists of a meter movement, an indicator, and a case. An example of a panel meter is the LM-HS3KS-H14, a highly reliable, milli-volt meter and counter, and a high-voltage hour meter.

Application Fields

The LM-HS3KS-H14 is suitable for multiple application fields. It is typically used in instrument panels, in motor start-up operations, or as a substitute counter for mechanical switches. The panel meter is frequently used for monitoring electrical systems, providing a visible indication of an electrical quantity. It is also used in industrial automation and control, as well as various scientific and laboratory operations.

Working Principle

The LM-HS3KS-H14 is a 3-digit numeric counter and hour meter. It was designed to rigorously count and remember a series of high-voltage pulses by integrating an electronic counter with a stable, erasable memory. When triggered by a pulse, the LM-HS3KS-H14 immediately starts building up a count. It continues to count up from the point of interruption until reset to zero. The accumulated count is held in a non-volatile memory which retains its last value even with the power removed.

The LM-HS3KS-H14 can be reset by providing a reset signal, typically by pressing a button. This operation sets the counter to zero and keeps it at that until the signal ends. The panel meter also allows the user to monitor a specific number of accumulated pulses, displaying the value on its three-digit display.

Additional Features

The LM-HS3KS-H14 also incorporates additional features such as a ballast/protection resistor and diode which protect the meter from voltage spikes or other damage. The meter is available in a range of sizes, including 60x60mm and 72x72mm. Its terminal connections also allow for quick and easy installation in field panels or instrumentation equipment. Furthermore, all components are replaceable in the unlikely event of a malfunction.

The LM-HS3KS-H14 exhibits superior performance in all of its standard applications. With a high operating temperature, excellent noise immunity, and a wide range of power supplies, the meter is suitable for use in a wide variety of industrial and scientific applications.

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