# Digital Voltmeter, 0.28'', 5-30VDC, 2 wires, Blue

> Compact digital voltmeter with a blue 0.28 inch display for measuring DC voltage between 5 and 30V. Connects via 2 wires that simultaneously power and measure. The decimal point adjusts automatically, refresh rate 500ms, stated accuracy +-1%. The housing has mounting ears for panel installation, dimensions 33 x 10.7 x 7.5mm, operating temperature -10 - 65 degrees C.

- Page: https://sigmanortec.ro/en/digital-voltmeter-028-5-30vdc-2-wires-blue
- Price: 5.29 RON
- Availability: In stock; 1-2 zile
- Reference: 9462 · EAN: 5945154698046
- Category: Electronic components > Testing and Measurement > Panel Meters
- Specifications: Supply Voltage: 5; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.
- Package (shipping data): 0.006 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 03:26 (Europe/Bucharest)

## Description

Compact module for quick display of DC voltage between 5 and 30V, with easy-to-read 0.28 inch blue display. Simply connected via 2 wires, power supply and measurement are done simultaneously, decimal point is adjusted automatically. Refresh at 500 ms and declared accuracy of ±1%, housing with mounting lugs for easy panel mounting.
Mini voltmeter module with 0.28 inch display, Blue color, which can display a voltage between 5 and 30VDC.
It is equipped with 2 wires that supply power and at the same time measure voltage.
The module has 33mm mounting lugs.
The decimal point moves automatically.
Specifications:
Supply voltage: 5 - 30VDC
Measured voltage: 5 - 30VDC
Display: 3 characters with one decimal point, digital tube
Display size: 0.28 inch
Display color: Blue
Refresh rate: 500ms
Accuracy: +-1% declared
Operating temperature: -10 - 65 degrees C
Dimensions mm: 33 x 10.7 x 7.5mm (ears included)
Wire length: approximately 10cm
Number of threads: 2
