# F&F DMV-3 3-Phase Digital Modular Voltmeter 100-300V AC 1% Accuracy

**URL:** https://aio.lv/en/product--ff-dmv-3--12460123
**Data updated:** 2026-05-18 09:33 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** FF
**Manufacturer code:** DMV-3
**EAN:** 5908312591740
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 109.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 90.90 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-dmv-3--12460123

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

The F&F DMV-3 is a digital 3-phase modular voltmeter designed for precise voltage monitoring in electrical installations. It operates within a range of 100-300V AC with an accuracy of 1%. This compact device is intended for DIN-rail mounting, providing reliable real-time voltage readings for industrial and residential power distribution systems to ensure operational safety and monitoring.

## Long description

The F&F DMV-3 is a professional digital 3-phase modular voltmeter engineered for precise voltage monitoring within electrical installations. Designed for seamless integration into power distribution systems, this device provides accurate real-time readings for each phase, operating within a range of 100-300V AC. Its compact modular design allows for efficient space utilization in electrical cabinets, ensuring that users can maintain constant oversight of their power supply parameters to prevent potential equipment damage or operational failures.
Advantages
The primary benefit of the F&F DMV-3 is its high measurement accuracy of 1%, which ensures reliable data for critical electrical monitoring. The device features a clear digital display that allows for quick and easy reading of voltage values across all three phases simultaneously. Its modular construction is specifically designed for standard DIN-rail mounting, making installation straightforward and compatible with most modern electrical distribution boards. By providing continuous monitoring, the voltmeter helps in identifying voltage fluctuations or imbalances early, thereby enhancing the safety and longevity of connected electrical appliances and industrial machinery.
Suitable for
Monitoring voltage in residential electrical panels
Industrial power distribution system oversight
Three-phase electrical network diagnostics
Preventive maintenance of electrical installations
This device may not be suitable for applications requiring voltage measurements outside the 100-300V AC range or for systems operating on DC power. It is also not intended for use in environments with extreme moisture or high levels of conductive dust without appropriate protective enclosure housing.
Key specifications
Measurement range: 100-300V AC
Accuracy: 1%
Mounting type: DIN-rail
Phase type: 3-phase
Display type: Digital
To use the F&F DMV-3, the device must be mounted onto a standard 35mm DIN-rail within an electrical distribution board. Wiring should be performed by a qualified electrician in accordance with the provided wiring diagram, ensuring that the input terminals are correctly connected to the corresponding phases of the power supply. Once powered, the device will automatically begin displaying the real-time voltage values for each phase on the integrated digital screen.
What to consider before purchase
Verify that your system voltage falls within the 100-300V AC range
Ensure there is sufficient space on the DIN-rail in your distribution board
Confirm that the installation environment meets the device's technical requirements
For optimal performance and safety, ensure that all electrical connections are tightened securely and that the device is protected from direct environmental hazards. Regular inspection of the display and connections is recommended to maintain long-term operational accuracy.

## FAQ

### How much does the F&F DMV-3 3-Phase Digital Modular Voltmeter cost, and is it available for purchase?

The price is 109.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 17.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can F&F DMV-3 3-Phase Digital Modular Voltmeter be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All FF products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized FF service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12460123/68762096_large.webp