DLA-300LCD

Series:	DLA-300LCD
Part Status:	Active
Lead Free Status / RoHS Status:	--
Type:	Voltage (Voltmeter)
Measuring Range:	±200mVDC
Display Type:	LCD - Black Characters
Number of Characters Per Row:	3.5
Display Characters - Height:	0.450" (11.43mm)
Output Type:	Reference
Voltage - Supply:	5VDC
Panel Cutout Dimensions:	Rectangular - 53.80mm x 22.30mm
Mounting Type:	Panel Mount - Bezel
Termination Style:	PC Pin
Ingress Protection:	--
Features:	Bezel Sold Separately
Operating Temperature:	0°C ~ 50°C

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Panel Meters

The DLA-300LCD is one of several panel meters that measure and display the magnitude of electrical current, voltage and resistance. As an example of a panel meter, the DLA-300LCD has application fields in electrical engineering, such as in power control and monitoring, circuit measurements and automatic control systems.

Working Principle and Design Features

The working principle of the DLA-300LCD is based on current-voltage conversion. Specifically, an electronic sensing pick-up, or sensor, is placed across the device being measured to detect the flow of electricity. As the current in the circuit fluctuates, the sensor detects those fluctuations. This information is then converted into a measurable voltage. This voltage is then sent to the control circuit or display of the panel meter, which then converts it into an accurate reading. For example, on the DLA-300LCD, the voltage is converted into a digital number which is used to display the measurement on the LCD display.

LCD Display

The DLA-300LCD features an LCD display that allows the user to easily and quickly view and interpret the measurements. The LCD display is divided into two parts: the active and the deactivated screens. The active screen displays the value read by the sensor, while the deactivated screen displays the remaining values read by the sensor, such as temperature, resistance, or power. The LCD display also features a graphical representation of the value read by the sensor, making it easier for the user to interpret the readings.

Range and Accuracy

The DLA-300LCD is capable of measuring either DC or AC voltage, current, and resistance up to 1000V, 10A, and 10KΩ, respectively. The accuracy of the readings depends on the range being measured. For DC applications, the maximum accuracy is ±2% and for AC applications the maximum accuracy is ±3%.

Other Features

The DLA-300LCD also includes a variety of additional features and capabilities. For example, it includes an over- and under-voltage protection, a reverse-polarity warning, an auto-zeroing capability, as well as input and output OVP (over voltage protection), and a temperature-compensated-circuit. It also includes a software package to allow the user to easily create, store, and retrieve files from the meter. In conclusion, the DLA-300LCD is a unique panel meter that offers a variety of features and capabilities. It is capable of measuring both DC and AC voltage, current, and resistance with an accuracy that meets the needs of most applications. In addition, its LCD display and graphical representation of the readings make it easy to interpret the measurements.

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