0.28 inch 3.5-30V Two Wire DC Voltmeter
Price range: $0.51 through $0.61
♦ Specifications
Display Type: 0.28″ 3-digit Red LED
Operating Voltage Range: DC 3.5V – 30V
Input Impedance: ≥100kΩ
Measurement Accuracy: ±1%
Refresh Rate: Approx. 500ms
Current Consumption:< 20mA
Wiring Type: 2-wire (power & measurement)
Dimensions: Approx. 30mm × 11mm × 9mm
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Description
The 0.28-inch Two-Wire DC Voltmeter is a compact digital voltage display module designed for quick and easy real-time monitoring of DC power systems. With a wide voltage range of 3.5V to 30V and bright red LED display, it’s perfect for battery voltage monitoring, DIY electronics, and power supply diagnostics.
Its two-wire design allows for effortless integration—no need for a separate power supply. Just connect the voltmeter directly across the voltage source you want to measure, and it’s ready to go.
Very bight and decent LED Display is ready to measure the dc voltages in the range of 3.5V to 30V.
Connections :
Red Wire: Source +ve terminal.
Black Wire: Source -ve terminal.
Note: The display weight and Dimensions may have2% error.
Features :
– Very small and lightweight voltmeter module.
– Very handy and easy to use.
Don’t need the external power supply because it is a self-powered version of this display. Best operates in the working voltage range of 5V to 24V
Additional information
| 0.28" Two-Wire | Blue, Green, Red, Yellow |
|---|
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