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Item #:
81980471
FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Volt Meter
86% of respondents would recommend this to a friend
Item #:
81980471
BTN 5164
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Sunday, September 20
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Versatile Intelligent Multimeter with wide range of measurement functions. No more manually replacing batteries with the built-in rechargeable battery. Non-Contact Voltage Measurement for more safety.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Precision
With 9999 counts, the FNIRSI DMT-99 provides extreme accuracy in measurement, ensuring reliable data for electrical enthusiasts and professionals alike.
Auto-Ranging Function
The auto-ranging feature simplifies the measuring process, automatically adjusting to different voltage levels and eliminating user errors, perfect for both beginners and experts.
Versatile Testing Modes
This multimeter offers multiple functions, including voltage, current, resistance, and frequency testing, making it an invaluable tool for various electrical diagnostics and repairs.
Product Details
| Power Source | Battery Powered |
| Minimum Operating Voltage | 10 volts |
| Upper Temperature Rating | 1300 °C |
| Measurement Type | Ammeter, Multimeter, Ohmmeter, Voltmeter |
| Compatible Devices | Devices with electrical components (e.g., automotive electrical systems, home appliances, electronic devices) |
| Style Name | Classic |
| Color | Black and Blue |
| Item Weight | 6.72 ounces (190.51 grams) |
| Item Dimensions | 6.01 x 3.15 x 1.52 inches (15.3 x 8 x 3.9 cm) |
| Specification Met | CE |
| Brand Name | FNIRSI |
| Model | DMT-99 |
| Number of Items | 1 |
| Manufacturer | FNIRSI |
| Number of Packs | 1 |
| Included Components | Smart Color TFT Multimeter, Test Leads, Type-C charging cable, User guide |
| Part Number | DMT-99 |
| Brand | FNIRSI |
| Style | Classic |
What's in the box
Smart Color TFT Multimeter, Test Leads, Type-C charging cable, User guide
Who Should Buy?
-
Electronics Technicians
Ideal for professionals needing precise measurements and advanced features for troubleshooting and circuit testing.
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Hobbyists and DIYers
Great for electronics enthusiasts who require a reliable tool for experiments and projects involving basic circuitry.
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Homeowners
Useful for general home maintenance tasks, such as checking outlets, batteries, and ensuring electrical safety.
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Beginner Users
May overwhelm beginners due to multiple features and functions that require technical understanding and experience.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What features does the FNIRSI DMT-99 Digital Multimeter offer?
Answer: The FNIRSI DMT-99 boasts several impressive features including 9999 counts display, TRMS measurement capability, and automatic ranging for voltages and resistances. It allows for real-time monitoring and recording of data, making it suitable for both professional electricians and DIY enthusiasts. The TRMS function ensures accurate readings of AC signals, particularly in non-linear loads. Whether you're testing batteries, appliances, or circuit continuity, this multimeter offers precise measurements, contributing to reliable troubleshooting and diagnostics. -
Question:
Is the FNIRSI DMT-99 multimeter user-friendly for beginners?
Answer: Absolutely! The FNIRSI DMT-99 is designed with beginners in mind. Its auto-ranging feature simplifies measurements by automatically adjusting the measurement range, eliminating guesswork. Additionally, the LCD display is clear and easy to read with backlight support in low-light conditions, enhancing usability. For those starting out in electronics or electrical work, this multimeter serves as a practical tool for learning essential skills, allowing users to focus on their projects without getting overwhelmed by complex settings. -
Question:
Can I use the FNIRSI DMT-99 for automotive applications?
Answer: Yes, the FNIRSI DMT-99 is an excellent choice for automotive applications. It can measure voltage, resistance, and current, making it suitable for diagnosing electrical issues in vehicles. Whether you're checking battery voltage, testing fuses, or troubleshooting wiring problems, the multimeter's accuracy and data recording functions facilitate easy tracking of changes. This versatility makes it ideal for both professional mechanics and car enthusiasts who like to perform maintenance on their own vehicles. -
Question:
How long does the battery last in the FNIRSI DMT-99?
Answer: The FNIRSI DMT-99 features a rechargeable battery that can last for extended periods, depending on the frequency of use. Typically, you can enjoy hours of continuous measurement on a full charge. The multimeter also has a power-saving mode that activates after a period of inactivity, preserving battery life. This is particularly beneficial for professionals who may need to use it throughout the day, as it minimizes interruptions caused by battery replacements and ensures that it’s ready whenever you need it. -
Question:
What is TRMS, and why is it important in a multimeter?
Answer: TRMS stands for True Root Mean Square, and it is crucial for accurately measuring AC voltages, especially in non-linear loads. Traditional multimeters might only provide average values, which can lead to incorrect readings in real-world scenarios where signal shapes are not clean sine waves. The FNIRSI DMT-99’s TRMS capability ensures you’re getting accurate measurements regardless of the waveform, making it essential for tasks in fields such as HVAC systems, audio electronics, and other applications where precise power readings are necessary. -
Question:
Does the FNIRSI DMT-99 support data recording?
Answer: Yes, the FNIRSI DMT-99 features data recording capabilities, allowing users to log measurement trends over time. This is particularly useful for monitoring voltage fluctuations in systems or assessing performance metrics of electrical devices. By recording data, you can analyze trends and pinpoint issues more effectively. Such functionality is beneficial for engineers and technicians who need to document readings for reports or long-term troubleshooting, making the multimeter a valuable addition to their toolkit. -
Question:
What kind of measurements can I perform with the FNIRSI DMT-99?
Answer: The FNIRSI DMT-99 is versatile, supporting a range of measurements including AC and DC voltage, resistance, and current (both AC and DC). This capability makes it suitable for various applications, such as testing household appliances, electrical installations, and even troubleshooting circuit boards. The multimeter's auto-ranging feature assists users in moving seamlessly between different measurement types without needing to adjust settings manually, making it ideal for both quick checks and detailed diagnostics. -
Question:
Is there a temperature measurement feature in FNIRSI DMT-99?
Answer: The FNIRSI DMT-99 does not include a built-in temperature measurement feature. However, it excels in measuring voltages, currents, and resistances accurately. For users needing temperature measurements, consider pairing it with a dedicated thermometer or looking for dedicated multimeter models that incorporate temperature sensors. This approach ensures you're equipped with the best tools for comprehensive electrical diagnostics and troubleshooting. -
Question:
How does the auto-ranging feature work in the FNIRSI DMT-99?
Answer: The auto-ranging feature in the FNIRSI DMT-99 automatically detects the level of the voltage or resistance you're measuring and selects the appropriate range. This means you don’t have to guess which range to set before measurement, which can save time and simplify usage. It's especially helpful when dealing with varying measurement scales in electronics or electrical systems. This feature enhances user experience by making the measurement process smoother and more intuitive for both novices and experienced users. -
Question:
Where can I buy the FNIRSI DMT-99 Digital Multimeter?
Answer: You can conveniently purchase the FNIRSI DMT-99 Digital Multimeter from Ubuy in Bhutan. Ubuy offers a reliable platform where you can find this multimeter alongside detailed product descriptions and customer reviews. This makes it easy to ensure you’re making an informed decision before your purchase, and their comprehensive customer service is available to assist with any questions you might have.
FNIRSI Multi Testers Editorial Review
FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Volt Meter delivers exceptional performance that far exceeds expectations for a budget multimeter. Users rave about its solid build quality and large backlit display that offers excellent readability, making it ideal for electronics troubleshooting and general electrical tasks. The 9999-count resolution allows for precise measurements, and the device's auto-ranging function is intuitive, facilitating a seamless transition between different measurements. Additionally, the inclusion of True RMS capability enhances its performance when dealing with modern electronics. Many find the rechargeable battery feature incredibly convenient, eliminating the hassle of dealing with disposable batteries. Whether you're a professional or a DIY enthusiast, this multimeter represents outstanding value for its functionality and usability.
Customer Reviews & Ratings
1307 customers ratings
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5 Star
81%
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4 Star
11%
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3 Star
4%
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2 Star
1%
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1 Star
3%
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Pros
- Solid and durable build quality
- Large, easy-to-read backlit display
- Intuitive auto-ranging functionality
- Accurate measurements with True RMS
- Convenient rechargeable battery
Cons
- Some functions are buried in menus, which may confuse users.
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
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BTN 5164
Order now and get it around Sunday, September 20
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Wide range of measurement functions including AC/DC voltage, AC/DC current, and more
- Built-in 1500mAh rechargeable battery for longer usage
- Non-Contact Voltage Measurement for added safety
- Intelligent Mode for convenient and fast measurements
- Private customization with DIY startup interface
- Dual ceramic fuse protection for improved safety
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