DC 0-100V 0-100A +Shunt Dual Red and Blue LED Digital Volt meter Ammeter Voltage AMP Power Meter 12V
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020

DC 0-100V 0-100A +Shunt Dual Red and Blue LED Digital Volt meter Ammeter Voltage AMP Power Meter 12V

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  • Product SKU: KG523
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The "Dual color Red or Blue LED 0.28 inch Display for DC 0-100V, 0-100A with shunt Digital Meter Voltmeter Ammeter" refers to a digital display module that can measure and display both voltage (0-100V) and current (0-100A) using dual-color LEDs (red or blue) and a shunt resistor.

Here's an overview and some details about the dual color Red or Blue LED:

Dual-Color LED Display: The display module features dual-color LEDs, which means the digits can be displayed in either red or blue, depending on the configuration. This color change might be used for visual distinction or to indicate certain conditions.

0.28-inch Display: The display size is 0.28 inches, referring to the height of the numeric digits. This is a common size for compact digital displays used in various applications.

Voltage Measurement: The module is capable of measuring DC voltage within the range of 0-100 volts. This is useful for monitoring the voltage level of a power source, battery, or any other DC voltage-producing component.

Current Measurement: The module can also measure DC current within the range of 0-100 amperes. This involves the use of a shunt resistor, which is a low-resistance component placed in series with the current path to measure the voltage drop across it, which is proportional to the current flowing through it.

Shunt Resistor: A shunt resistor is a precision resistor with a known resistance value. By measuring the voltage drop across the shunt resistor, the current passing through it can be calculated using Ohm's law (I = V / R, where I is current, V is voltage, and R is resistance).

Digital Meter: The module is designed to display the voltage and current values digitally, making it easy to read and monitor.

Accuracy: The accuracy of the measurements depends on the quality of the components and the precision of the shunt resistor. High-quality components are essential for accurate measurements.


This type of display module is commonly used in various electronics and electrical projects where real-time monitoring of voltage and current is required. It could be used in power supplies, battery charging systems, electronic experiments, and more.

Technical Details

  • Accuracy : 1
  • Operating Voltage (VDC) : 5
  • Current Consumption (mA) : 60
  • Testing Voltage (V) : 0 to 100
  • Testing Current (A): 1 to 100
  • Refresh Speed (ms): 500 (one time)
  • Operating Temperature (°C) : -10 to 60
  • Shunt Resistor Dimensions L x W x H (mm) : 120 x 25 x 20

Physical Attributes

  • Shunt Resistor Dimensions L x W x H (mm) : 120 x 25 x 20
  • L x W x H (mm): 46 x 28 x 16
  • Weight (gm) : 145

Package Includes

  • 1 x DC 0-100V 0-100A +Shunt Dual Red and Blue LED Digital Volt meter Ammeter Voltage AMP Power Meter 12V

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