# Fnirsi DMT-99 Smart Digital Multimeter

**URL:** https://aio.lv/en/product--fnirsi-dmt-99--12426875
**Data updated:** 2026-05-10 04:44 (EEST)
**Category:** Measuring tools
**Manufacturer:** Fnirsi
**Manufacturer code:** DMT-99
**EAN:** 5905156102453
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 23.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fnirsi-dmt-99--12426875

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The Fnirsi DMT-99 is a smart digital multimeter designed for precise electrical measurements. This versatile tool features an intuitive interface and reliable performance for testing voltage, current, resistance, and other electrical parameters. Ideal for electronics hobbyists, technicians, and professionals, it provides accurate readings for troubleshooting circuits and maintaining electrical equipment in various applications.

## Long description

The FNIRSI DMT-99 Smart Digital Multimeter is a versatile and advanced measuring instrument designed for professionals and DIY enthusiasts. It features a high-resolution 2.4-inch TFT color display that ensures clear visibility of all readings. The device supports automatic parameter recognition, True RMS measurements, and includes specialized modes for data logging and monitoring with audible alerts. Built with a 1500 mAh rechargeable battery, it offers up to 10 hours of continuous operation, making it a reliable companion for field work, electronics repair, and electrical diagnostics.
Advantages
The primary advantage of the DMT-99 is its intelligent automatic recognition system, which eliminates the need for manual range selection and reduces the risk of measurement errors. The inclusion of True RMS technology ensures accurate readings even when dealing with non-sinusoidal signals, which is essential for modern electronics. Safety is prioritized through intelligent burnout protection and non-contact voltage detection (NCV), providing peace of mind during electrical troubleshooting. Furthermore, the device is highly portable and durable, featuring a robust ABS housing, a foldable stand, and a convenient USB-C charging interface.
Suitable for
Electrical installation and maintenance
Electronics repair and circuit diagnostics
Temperature monitoring of components and machinery
Non-contact voltage detection in cables and sockets
DIY hobbyist projects and educational purposes
When it may not be suitable
This multimeter is designed for general electrical and electronic diagnostics and may not be suitable for high-voltage industrial power distribution systems exceeding its rated safety categories. Users requiring specialized laboratory-grade precision for extremely sensitive scientific research might need more advanced, high-end benchtop equipment.
Key specifications
Display: 2.4-inch TFT HD color screen
Measurement range: 10000 counts
Power: 1500 mAh lithium battery (USB-C rechargeable)
Operating time: Up to 10 hours
Safety: Intelligent burnout protection and fused current inputs
Temperature range: -55°C to 1300°C
Functions: AC/DC voltage, AC/DC current, resistance, capacitance, frequency, NCV, and diode test
How to use
To begin, power on the device using the side button. For most tasks, the multimeter will automatically detect the connected component and select the appropriate measurement mode. Connect the probes to the corresponding input jacks based on the parameter you wish to measure. For non-contact voltage detection, simply bring the top of the device near the cable. Use the menu interface to toggle between manual modes, data logging, or the monitor function if specific threshold alerts are required. Always ensure the probes are connected to the correct ports before measuring current to utilize the internal fuse protection.
What to consider before purchase
Verify that the measurement ranges meet your specific project requirements
Ensure the device is compatible with your existing test leads or accessories
Consider the need for periodic calibration if used in a professional quality-control environment
Check the physical dimensions to ensure it fits your tool kit or workspace
Usage recommendations
Always inspect the test leads for damage before use and ensure the multimeter is set to the correct mode if not using the automatic recognition feature. For temperature measurements, ensure the thermocouple is securely connected and allowed to stabilize for accurate readings.

## FAQ

### How much does the Fnirsi DMT-99 Smart Digital Multimeter cost, and is it available for purchase?

The price is 28.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 74 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 01.07.2026 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. All transactions are 100% secure and encrypted.

### 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 Fnirsi 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 Fnirsi 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/12426875/68724898_large.webp