LM-HH4AS-N11

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Panel meters are devices used to measure electrical energy over time. Counters, hour meters, and other meters are designed to measure, monitor, and indicate electrical or mechanical phenomena. The LM-HH4AS-N11 is a panel meter designed to measure, monitor, and indicate electrical or mechanical phenomena that occur in applications including process control, power distribution, and motor control.

The LM-HH4AS-N11 is a state-of-the-art hour meter that is especially designed for demanding applications. It has a unique combination of features such as time and totalizing measurement, seven segment display, instantaneous indication, totalizing range, output signal, and a secure display. This panel meter has a UL, CSA, and CE certifications.

The LM-HH4AS-N11 operates in a wide range of environmental conditions, including temperatures between 0°-50°C and relative humidity from 5-95%. The panel meter is designed with an electrostatic discharge (ESD) protection feature, and can be used in harsh industrial environments. The panel meter is durable, reliable, and easy to install.

The operating principle of the LM-HH4AS-N11 revolves around its electronic circuit. When the push-on button is pressed, a voltage is applied across the hour meter. The hour meter measures the voltage and converts it into a digital format. This digital format is used to totalize the total number of hours that the device has been running. The totalizing range of the device can be set from 1 to 999999.9 hours.

Additionally, the LM-HH4AS-N11 has an output signal which allows for the connection of external devices, such as alarms and PLCs. The output signal is a pulse with a frequency of 2 Hz and a period of 0.5 mS. The output signal can be connected to any device with an auxiliary power supply and two inputs, one for logic high and one for logic low.

The LM-HH4AS-N11 has a secure display feature which prevents tampering. The display can only be reset through the external reset switch which is located on the back of the meter. The secure display prevents any unauthorized tampering with the number of hours accumulated by the meter.

Overall, the LM-HH4AS-N11 is an advanced hour meter that is specially designed for demanding applications. Its unique combination of features allows for accurate measurement, monitoring, and indication of electrical or mechanical phenomena. It is durable, reliable, and easy to install, and is therefore suitable for a wide range of applications.

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