---
product_id: 611054145
title: "FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance, Capacitance, Diode, Frequency, NCV, Current Voltage Tester"
brand: "fnirsi"
price: "26226 Ft"
currency: HUF
in_stock: true
reviews_count: 13
category: "Fnirsi"
url: https://www.desertcart.hu/products/611054145-fnirsi-dmt-99-digital-multimeter-9999-counts-trms-rechargeable-auto
store_origin: HU
region: Hungary
---

# 9999 counts TRMS precision 2.4-inch full-color TFT display 1500mAh rechargeable battery FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance, Capacitance, Diode, Frequency, NCV, Current Voltage Tester

**Brand:** fnirsi
**Price:** 26226 Ft
**Availability:** ✅ In Stock

## Summary

> ⚡ Diagnose Like a Pro, Charge Like a Boss!

## Quick Answers

- **What is this?** FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance, Capacitance, Diode, Frequency, NCV, Current Voltage Tester by fnirsi
- **How much does it cost?** 26226 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/611054145-fnirsi-dmt-99-digital-multimeter-9999-counts-trms-rechargeable-auto)

## Best For

- fnirsi enthusiasts

## Why This Product

- Trusted fnirsi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Meets Power:** Experience ultra-accurate 9999 counts TRMS readings for flawless diagnostics every time.
- • **Stay Charged, Stay Ready:** Built-in 1500mAh rechargeable battery with USB-C charging means no more hunting for disposable batteries.
- • **Tailored for Your Workflow:** 2.4-inch vibrant TFT screen with DIY startup interface ensures ease of use even in low light conditions.
- • **Visualize Voltage Fluctuations:** Innovative recording mode graphs voltage/current changes over time—spot intermittent issues effortlessly.
- • **Custom Alerts for Critical Thresholds:** Set personalized monitoring limits and get instant warnings to prevent costly electrical mishaps.

## Overview

The FNIRSI DMT-99 is a cutting-edge digital multimeter boasting 9999 counts TRMS accuracy, a rechargeable 1500mAh battery with USB-C convenience, and a vivid 2.4-inch full-color TFT display. Its unique recording and monitoring modes empower professionals to capture and analyze voltage/current fluctuations in real-time, while customizable alerts keep you ahead of electrical issues. Compact yet powerful, it’s the ultimate tool for automotive, home appliance, and electronic diagnostics—designed to elevate your precision and efficiency.

## Description

Product description VERSATILE DIGITAL MULTIMETER The DMT-99 multimeter tester is the ideal meter for demanding settings like commercial buildings, hospitals and schools, the volt meter is a manual-ranging multimeter which can measure AC/DC voltage, DC current, resistance, batteries, diodes, and continuity. .aplus-v2 .vse-video-player-title, .aplus-v2 .vse-lightPlayer-vendor{ display:none; } #aplus .vse-video-player-title, #aplus .vse-lightPlayer-vendor{ display:none; } {"enableFullScreenByDefault":false,"clickstreamNexusMetricsConfig":{"producerId":"vsemetrics_playercards","schemaId":"clickstream.CustomerEvent.4","actionType":"DISCOVERY","eventOwner":"vsemetrics_playercards","eventType":"IVEVideoView","productId":"B0CQRKR17W"},"videoReferenceId":"sc|09d9b570-fbd0-43b1-b0cc-de835663e4c1|ecf3cb22|ATVPDKIKX0DER|A33KEXAIEXH1NV","contentId":"B0CQRKR17W","ccvDisclosure":"","closedCaptionsConfig":{"captionsOnTexts":{"de":"German (Automated)","en":"English (Automated)","fr":"French 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The video shows the product being unpacked. monitoring mode: key functions Merchant Video (window.desertcartUIPageJS ? desertcartUIPageJS : P).load.js('https://m.media-desertcart.com/images/I/61rq0L4t2wL.js?AUIClients/VSEPlayer'); (window.desertcartUIPageJS ? desertcartUIPageJS : P).load.js('https://m.media-desertcart.com/images/I/3175HHgX+OL._RC|01x4giTy+uL.js,01r9LpT6pbL.js,41NWBkfooBL.js,11QfrzttlqL.js,91VXiFQ1TCL.js,01ELLYeIOkL.js_.js?AUIClients/Brila'); (function(f) {var _np=(window.P._namespace("vse-ns-initVSEPlayerOnLoad"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) { P.when('VSEPlayer').execute(function(vsePlayer){vsePlayer.initPlayer('aplus-142356-player-fc230040-ccec-4203-8105-864753a7296b-player-ps');}); //Please use below event to register FeedbackForm P.when('A', 'VSEComponentAssets').execute('vse-ns-player-initialization', function(A, asset) { A.trigger('vse:ns:player:aplus-142356:init', 'aplus-142356-player-fc230040-ccec-4203-8105-864753a7296b-player-ps'); }); })); monitoring mode: key functions RECORDING MODE In recording mode, it supports voltage, resistance, diode/buzzer, capacitor, high current, low current, frequency and temperature. Real-time measurement curves, minimum and maximum values during measurement and saving of measurement data are available. Up to 8 groups of measurement values can be displayed in the recording frame. NORMAL MODE In normal mode, it supports automatic, voltage, resistance, diode/buzzer, capacitor, high current, low current, frequency, temperature, NCV, and LIVE measurement s. MONITORING MODE In the monitoring mode, it supports voltage, current, and temperature gears. The monitoring mode adds threshold monitoring to the normal mode, when screen display will change depending on whether the measured value is less than the set minimum threshold, or greater than the maximum threshold within the minimum and maximum thresholds. DMT-99 Mulitmeter Actual Measurement Display Why Choose FNIRSI DMT-99 Multimeter? One Click Data Freeze If you want to record the measurement value, just press the 'Hold' button, the screen will display the H symbo and then the reading showed on the screen will be locked. Intelligent Anti Burn Using double ceramic fuse and protection circuit inside the instrument etc. overload protection measures, which improve the product's safety performance and maximize users' safety. Non-Contact Voltage Measurement Our voltage tester using non contact design for more safety. Just place the probe near outlets, sockets, terminals etc. to test voltage presence. Zero and Fire Wire Measurement The DMT-99 digital multimeter’s zero and fire wire can use for household outlets, fuses, batteries (including vehicles), automotive circuit troubleshooting, charging system, testing electronics in cars etc. Our DMT-99 multimeter tester suitable for household outlets, fuses, batteries (including vehicles), automotive circuit troubleshooting, charging system, testing electronics in cars etc. FNIRSI Product Comparison Table DMT-99 Multimeter LCR-ST2 LCR Meter LC1020E LCR Meter DMC-100 Clamp Meter LCR-P1 Transistor Tester DST-201 Multimeter 2C23T Multimeter

Review: Graph mode allows for easy testing of automotive parasitic drain - This thing does everything that a multimeter should do. What this sets the DMT-99 apart from other multimeters in its price range ($37 at the time of writing this review) is its digital display with the graph mode, which cycles after a little over 30 seconds, and makes it infinitely easier to diagnose those pesky intermittent parasitic drain that spikes for a second and then goes away for the next 2-3 minutes. Other multimeters in this price range lack this feature. I purchased this multimeter and combined it with a Lisle 64970 parasitic drain testing harness to test my vehicle for intermittent parasitic drain. The graph mode (shown as the "recording mode") made it a lot easier since I didn't have to keep my eyes glued to the display the entire time. It also has the ability to display minimum and maximum detected levels. The only downside is there isn't a way to scroll back to see older chart, but you can mark and save the displayed current/voltage. Fortunately, the level of parasitic drain I discovered is within the norm of a modern vehicle, but the graph mode made it extremely easy. NCV works great, and the beep is audible enough but not annoying. I was also impressed with the battery capacity. I fully charged the device and had this thing running in frigid temperature (30 to 40°F in the shade) for about 3-4 hours while performing the test, and the battery level meter only went down from a total of seven bars to six. In terms of size and weight, it's about average in its class. You can put it in your pocket, but you'll definitely notice it's in there. This multimeter is definitely worth the investment. It more than paid itself off after a single use. Even accounting for the Lisle 64970 harness, the combined cost of the two ($60) is vastly less than what mechanics charge for parasitic battery drain testing, which can range from anywhere from $120 to $200 depending on where you live.
Review: Great multimeter - It arrived in good shape and had everything but a thermocouple for measuring temperature. I'm not an expert on these and I got to measure tail amps for flashlights. I based my decision for buying this because I have other FNIRSI products. I have used it to measure the voltage on some batteries and it was very accurate. It has a really nice screen and the buttons respond well when you make a selection. Charging is easy with the built in USB C charging port. You can use the box to store it because it is protected very well with the foam in the box. Or you can take the foam out of the box and use it in a case. I definitely recommend this multimeter. Even for a beginner, it's very easy to use.

## Features

- 【Recording Mode】FNIRSI multimeter can plot measured value ripple that changes over time is drawn, and the fluctuation of voltage or current over time can be observed. 8 measured values can be recorded, and the Max and Min measurement values are displayed
- 【Monitoring mode】Custom thresholds can be set in multimeter monitoring mode, and a warning will be issued if the voltage exceeds or falls below the set threshold
- 【Solving hunger】Built-in 1500 mAh rechargeable battery allows the multimeter tester to work longer. No more manually replacing bulky, unfindable disposable batteries, the Type-c port renews energy at any time
- 【Intelligent Mode】In intelligent mode, DMT-99 digital multimeter can identify the measurement content and select the range with the best resolution, making the measurement more convenient and faster,Takes out the guesswork for most applications
- 【Private customization】2.4-inch full-color TFT screen display, 240*320 resolution, makes it easy to use in dimly light areas. Supports DIY startup interface and creates your own personal entry interface
- 【Intelligent Multimeter】It measures AC/DC voltage, AC/DC current, and can be used to test resistance, capacitance, continuity, diode, NCV and live wire etc. Applicable to automotive, home appliances, other electronic repair. Dual ceramic fuse protection

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CQRKR17W |
| Best Sellers Rank | #10,077 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #19 in Multi Testers |
| Brand | FNIRSI |
| Brand Name | FNIRSI |
| Color | Black and Blue |
| Customer Reviews | 4.6 out of 5 stars 1,136 Reviews |
| Included Components | Smart Color TFT Multimeter, Test Leads, Type-C charging cable, User guide |
| Item Dimensions | 6.01 x 3.15 x 1.52 inches |
| Item Weight | 6.72 ounces |
| Item dimensions L x W x H | 6.01 x 3.15 x 1.52 inches |
| Manufacturer | FNIRSI |
| Measurement Type | Ammeter, Multimeter, Ohmmeter, Voltmeter |
| Min. Operating Voltage | 10 Volts |
| Minimum Operating Voltage | 10 Volts |
| Model | DMT-99 |
| Part Number | DMT-99 |
| Power Source | Battery Powered |
| Specification Met | CE |
| Upper Temperature Rating | 1300 Degrees Celsius |

## Product Details

- **Brand:** FNIRSI
- **Color:** Black and Blue
- **Item Weight:** 0.42 Pounds
- **Item dimensions L x W x H:** 6.01 x 3.15 x 1.52 inches
- **Power Source:** Battery Powered

## Images

![FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance, Capacitance, Diode, Frequency, NCV, Current Voltage Tester - Image 1](https://m.media-amazon.com/images/I/71jjLxiiGRL.jpg)
![FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance, Capacitance, Diode, Frequency, NCV, Current Voltage Tester - Image 2](https://m.media-amazon.com/images/I/71nphVh4crL.jpg)
![FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance, Capacitance, Diode, Frequency, NCV, Current Voltage Tester - Image 3](https://m.media-amazon.com/images/I/51nNT-jUwAL.jpg)
![FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance, Capacitance, Diode, Frequency, NCV, Current Voltage Tester - Image 4](https://m.media-amazon.com/images/I/71wCtRghLPL.jpg)
![FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance, Capacitance, Diode, Frequency, NCV, Current Voltage Tester - Image 5](https://m.media-amazon.com/images/I/618aiqc7RaL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Graph mode allows for easy testing of automotive parasitic drain
*by ಠ***ಠ on January 16, 2026*

This thing does everything that a multimeter should do. What this sets the DMT-99 apart from other multimeters in its price range ($37 at the time of writing this review) is its digital display with the graph mode, which cycles after a little over 30 seconds, and makes it infinitely easier to diagnose those pesky intermittent parasitic drain that spikes for a second and then goes away for the next 2-3 minutes. Other multimeters in this price range lack this feature. I purchased this multimeter and combined it with a Lisle 64970 parasitic drain testing harness to test my vehicle for intermittent parasitic drain. The graph mode (shown as the "recording mode") made it a lot easier since I didn't have to keep my eyes glued to the display the entire time. It also has the ability to display minimum and maximum detected levels. The only downside is there isn't a way to scroll back to see older chart, but you can mark and save the displayed current/voltage. Fortunately, the level of parasitic drain I discovered is within the norm of a modern vehicle, but the graph mode made it extremely easy. NCV works great, and the beep is audible enough but not annoying. I was also impressed with the battery capacity. I fully charged the device and had this thing running in frigid temperature (30 to 40°F in the shade) for about 3-4 hours while performing the test, and the battery level meter only went down from a total of seven bars to six. In terms of size and weight, it's about average in its class. You can put it in your pocket, but you'll definitely notice it's in there. This multimeter is definitely worth the investment. It more than paid itself off after a single use. Even accounting for the Lisle 64970 harness, the combined cost of the two ($60) is vastly less than what mechanics charge for parasitic battery drain testing, which can range from anywhere from $120 to $200 depending on where you live.

### ⭐⭐⭐⭐⭐ Great multimeter
*by T***S on March 16, 2026*

It arrived in good shape and had everything but a thermocouple for measuring temperature. I'm not an expert on these and I got to measure tail amps for flashlights. I based my decision for buying this because I have other FNIRSI products. I have used it to measure the voltage on some batteries and it was very accurate. It has a really nice screen and the buttons respond well when you make a selection. Charging is easy with the built in USB C charging port. You can use the box to store it because it is protected very well with the foam in the box. Or you can take the foam out of the box and use it in a case. I definitely recommend this multimeter. Even for a beginner, it's very easy to use.

### ⭐⭐⭐⭐⭐ The best multi- meter you can buy
*by T***6 on April 26, 2026*

Outstanding analyzer and multimeter. Easy instructions built toughness well designed easy setup and great for all applications and testing situations. Easy choice and fantastic price. You want the best you deserve the best so go for it you deserve this do it for you. By something you will have forever.

## Frequently Bought Together

- FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance, Capacitance, Diode, Frequency, NCV, Current Voltage Tester
- Aproca Portable Hard Storage Case, for FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS and Accessories (Case Only)
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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-05-10*