What is a DC 4-30V Voltmeter LED Display Panel?

It is a compact digital voltage meter designed to measure and display compatible DC voltages within approximately the 4V to 30V range.

What voltage range can this digital voltmeter measure?

This voltmeter is designed to measure DC voltage from approximately 4V to 30V.

Can this voltmeter measure AC voltage?

No. This product is designed for compatible DC voltage measurement and should not be used directly to measure AC voltage.

Can I use the DC 4-30V voltmeter to monitor a battery?

Yes, it can be used to monitor compatible battery voltages within its supported measurement range.

Does this voltmeter have a digital display?

Yes, the module features an LED digital display for convenient voltage readings.

Can I install this voltmeter in an electronic project box?

Yes, its compact panel-style design makes it suitable for compatible project boxes, electronic enclosures, and custom panels.

Can I use this digital voltmeter for a DC power supply?

Yes, it can be used to monitor the output voltage of a compatible DC power supply within the supported voltage range.

Do I need to check polarity before connecting the voltmeter?

Yes. Always verify the positive and negative connections before powering or connecting the voltmeter.

Is this voltmeter suitable for Arduino projects?

Yes, it can be used as an external voltage monitoring display in compatible Arduino, ESP32, STM32, robotics, and DIY electronics projects.

What is the price of the DC 4-30V Voltmeter LED Display Panel?

The current price of the DC 4-30V Voltmeter LED Display Panel is ৳120. Please check KathalTech for the latest price and product availability.

DC 4-30V Voltmeter LED Display Panel

Name: DC 4-30V Voltmeter LED Display Panel
Brand: KathalTech
SKU: dc-4-30v-voltmeter-led-display-panel
Price: 120.00 BDT
Availability: InStock
Rating: 5.0 (1 reviews)

0.0 (0 Reviews)

৳120.00

VAT inclusive; Computed calculations added locally.

The DC 4-30V Voltmeter LED Display Panel is a compact digital voltage meter designed to measure and display DC voltage from 4V to 30V. Featuring a bright LED digital display, it is suitable for battery monitoring, power supplies, DIY electronics, automotive projects, and embedded applications.

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Outside Dhaka: ৳122 (3-5 Days)

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Jump to: Overview Description Specifications Reviews (0) FAQs (10)

Overview

Monitor DC voltage easily with the DC 4-30V Voltmeter LED Display Panel. This compact digital voltmeter provides a convenient way to measure and display the voltage of compatible DC power sources.

Designed for a 4V to 30V DC measurement range, the module features a clear LED digital display for quick and easy voltage readings. Its compact panel-style design makes it suitable for installation in electronic projects, power supply panels, battery systems, and custom enclosures.

This digital DC voltmeter is useful for monitoring batteries, adapters, solar systems, DIY power supplies, automotive electronics, and other low-voltage DC circuits.

The DC 4-30V LED Display Panel Voltmeter from KathalTech is an essential and practical tool for makers, students, hobbyists, technicians, and electronics enthusiasts.

Important: Verify the input voltage range and wiring polarity before connecting the voltmeter. Product display colour, dimensions, and wiring configuration may vary depending on the specific module version.

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Verified Comments Listing

The DC 4-30V Voltmeter LED Display Panel is a compact digital voltage measuring module designed for monitoring compatible DC voltage sources between 4V and 30V.

The module features an LED digital display that allows users to quickly check the voltage level of a connected power source. Its compact panel design makes it suitable for integration into project boxes, electronic enclosures, power supply panels, and custom devices.

Digital voltmeters are useful for monitoring battery voltage and checking DC power supply output. This module can be used in a wide range of electronics and DIY applications where simple voltage monitoring is required.

Key Features

DC voltage measurement range: 4V–30V
Bright LED digital display
Compact panel-style design
Easy voltage monitoring
Suitable for DC power systems
Useful for battery monitoring
Ideal for DIY electronics projects
Suitable for custom enclosures and panels
Quick and convenient voltage reading

Applications

Battery voltage monitoring
DC power supplies
DIY adjustable power supplies
Solar power projects
Automotive electronics
Robotics projects
Arduino projects
ESP32 and STM32 projects
Custom electronic enclosures
Laboratory projects
Portable electronics
DC voltage monitoring systems

Typical Usage

The voltmeter can be connected to a compatible DC voltage source to display its voltage level. Depending on the module design, the measured voltage may also power the display.

Always check the specific wiring configuration before connecting the module.

Important Usage Notes

Observe the correct positive and negative polarity.
Do not exceed the specified voltage measurement range.
Ensure the measured voltage is DC, not AC.
Verify the wiring configuration of the specific module before installation.
Some versions may have different power and measurement wiring arrangements.
LED display colour may vary depending on the product version.
Actual dimensions, accuracy, and display characteristics may vary by manufacturing batch.
Always confirm the voltage using a calibrated measuring instrument when high accuracy is required.

Product Name	DC 4-30V Voltmeter LED Display Panel
Product Type	Digital DC Voltmeter
Voltage Measurement Range	4V–30V DC
Display Type	LED Digital Display
Measured Parameter	DC Voltage
Installation Type	Panel Mount / Embedded Installation
Power Source	Compatible DC Voltage Source
Applications	Battery Monitoring, Power Supplies, DIY Electronics and DC Systems