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The FNIRSI DMT-99 is a professional-grade digital multimeter featuring 9999 counts TRMS accuracy, a rechargeable 1500mAh battery with USB-C charging, and advanced recording/monitoring modes. Designed for demanding environments, it offers intelligent auto-ranging, a customizable full-color display, and comprehensive testing capabilities including voltage, current, resistance, capacitance, diode, and NCV detection—making it the go-to tool for engineers, technicians, and serious hobbyists alike.














| ASIN | B0CQRKR17W |
| Best Sellers Rank | #7,249 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #624 in Test, Measure & Inspect |
| Brand | FNIRSI |
| Brand Name | FNIRSI |
| Colour | Blue |
| Customer Reviews | 4.6 out of 5 stars 1,151 Reviews |
| Importer Contact Information | Skyking Instruments, Mumbai, India |
| Included Components | Meter, Test Leads, Temp. Probe, Battery, Manual |
| Item Dimensions | 15.3 x 8 x 3.9 Centimeters |
| Item Type Name | Digital Multimeter |
| Item Weight | 191 g |
| Item dimensions L x W x H | 15.3 x 8 x 3.9 Centimeters |
| Manufacturer | FNIRSI |
| Model Number | DMT-99 |
| Packer Contact Information | Skyking Instruments, Mumbai, INDIA |
| Part Number | DMT-99 |
| Power Source | Battery Powered |
| Power Source Type | Battery Powered |
| Specification Met | CE, ETL |
V**R
Solid multimeter with useful features — recommended
The FNIRSI DMT-99 delivers accurate and stable readings for voltage, current, resistance, and more. Auto-range and TRMS functionality add to its versatility. The rechargeable battery and data-hold/recording mode make it convenient for extended work. Good build quality and value — I recommend it for both hobbyists and professionals.
D**P
Battery percentage not show
Best multimeter mene is multimeter ko use kya aur achchha meter hai
K**N
Nice
Good
V**R
Excellent product, but poor manual and missing parts.
Excellent product, but poor manual and missing leads. I purchased this after owning other high end multimeters for specific reasons. 1 ) Batteries in other multimeters tend to run down at the most awkward time, and I wanted a model with a rechargeable Li-ion battery, as is the trend in recent electronic gadgets 2) The LCD SCREEN in most instruments tends to deteriorate after a few years. I wanted one with a TFT OR LED screen that has a much better life, and is easier to read in all conditions. This was the only model I could find to meet these requirements, with a comprehensive range of measurements including frequency and temperature in addition to the usual Volts, Amps, Ohms, Farads, and continuity. Although costing over 4K, I am quite happy with this. Design and display are excellent. An auto feature switches to the correct mode MOST of the time, though it requires resetting for some measurements. The user manual is rather poor, probably written by someone with no idea of multimeters. Over half a dozen repetitions of the same picture for every type of measurement and the only instruction to connect the red and black leads to the appropriate sockets. Missing in the outfit was the thermistor bead lead required to measure temperature. As I had the lead from another set (which would not fit these sockets) I was able to check this function worked, then purchased the leads for an additional 300.00 on Amazon. One would expect the required leads to come with the meter, as in other models at this price. One also needs to set some of the measurement range through the settings, but it is quite simple. In summary, I am delighted with this, but wish they had a better manual, and supplied it without the user having to buy extra parts.
M**I
Good product
Product is good but compare in other sites cost is high
A**.
Práctico, económico y fiable.
Cumple perfecto con lo descrito, su modo automático te sirve para la mayoría de ocasiones, de todas formas puedes ajustar manualmente qué unidad de medida quieres tomar. También cuenta con características únicas para una herramienta de su rango de precio, tiene historial de lecturas y puedes monitorear las lecturas expresadas en gráficos. Definitivamente hay mejores pero ya estaríamos hablando de gama alta y marcas de precios altos. Por lo que cuesta no puedes encontrar un mejor multímetro, eso sí, las puntas de las terminales se perciben algo frágiles así que mucho cuidado.
D**I
Multimetr „z pomocą”
Fajne urządzenie podpowiadające w trybie auto ustawienia (automatyczny wybór co mierzymy). Dla amatorów (jak ja) fajne rozwiązanie.
ಠ**ಠ
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.
J**N
Nice multimeter
I bought this to back up my main multimeter. It's USB C rechargable, the batteries last a long time and it works just like it should.
T**6
The best multi- meter you can buy
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.
Trustpilot
3 days ago
1 month ago