- Home Page /
- Tools & Home Improvement /
- Electrical /
- Testers /
- Multi Testers /
- FNIRSI DMT-99 Digital Multimeter 9999 Counts ...
FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance,
GBP 44
Price Details
Price
Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
QTY:
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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.
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Product Details
- 【9999 Counts & Rechargeable】FNIRSI DMT-99 digital multimeter features high-resolution 9999-count True RMS for accurate AC/DC measurements across various electrical systems. The built-in 1500mAh rechargeable lithium battery with Type-C charging eliminates frequent battery replacement, making it ideal for extended electronics repair and field testing
- 【Smart Auto-Identification】Streamline troubleshooting with Auto-Mode, which instantly detects AC/DC voltage, resistance, and continuity. This rechargeable multimeter also supports AC/DC current, NCV, frequency, and diode testing—providing comprehensive coverage for automotive diagnostics and household electrical safety
- 【Graphic Waveform & Monitoring】This automotive multimeter plots real-time ripples via Graphic View, visualizing voltage/current fluctuations as waveforms to capture transient spikes traditional meters miss. Monitoring Mode triggers automatic alarms based on custom thresholds—enabling hands-free tracking of intermittent faults for efficient diagnostics
- 【Vivid Screen & Anti-Burn Pro】This multimeter features a 2.4" HD TFT color screen with adjustable brightness for crystal-clear visibility in any lighting. Engineered for maximum safety, it incorporates dual ceramic fuses and advanced protection circuitry to reducing the risk of accidental burn-outs during complex automotive circuitry and industrial tasks
- 【User-friendly Design】Includes ultra-fine multimeter test leads perfected for SMD and tight circuit boards. This compact multimeter features a back-integrated kickstand and storage slots, delivering a grab-and-go solution that eliminates clutter for technicians demanding precision on the move
| Power Source | Battery Powered |
| Minimum Operating Voltage | 10 Volts |
| Upper Temperature Rating | 1300 Degrees Celsius |
| 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) |
| Brand Name | FNIRSI |
| Model | DMT-99 |
| Manufacturer | FNIRSI |
| Part Number | DMT-99 |
| Included Components | Smart Color TFT Multimeter, Test Leads, Type-C charging cable, User guide |
| Specification Met | CE |
| Brand | FNIRSI |
| Style | Classic |
| Country of Origin | This item will be imported from US |
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.
-
Hobbyists and DIYers
Great for electronics enthusiasts who require a reliable tool for experiments and projects involving basic circuitry.
-
Homeowners
Useful for general home maintenance tasks, such as checking outlets, batteries, and ensuring electrical safety.
-
Beginner Users
May overwhelm beginners due to multiple features and functions that require technical understanding and experience.
Product Description
Customer Questions & Answers
-
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 UK. 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
The FNIRSI DMT-99 Digital Multimeter has received positive feedback from customers. One user described it as a cost-effective and excellent product, expressing satisfaction with its performance. They noted that while it may not be as fast as a more expensive brand, it provided comparable resistance and capacitance measurements. The auto-ranging feature and the ability to check power line status were highlighted as valuable functions, especially given the affordable price point. Another customer was pleasantly surprised by the multimeter's capabilities, noting that it is rechargeable and equipped with features such as measurement records and threshold voltage measurement. They particularly found it helpful for academic purposes, specifically mentioning its utility for homework data collection. Overall, the reception of the FNIRSI DMT-99 Digital Multimeter has been positive, with users appreciating its affordability, rechargeable nature, and various measurement features.
Customer Reviews & Ratings
-
5 Star
80%
-
4 Star
12%
-
3 Star
4%
-
2 Star
1%
-
1 Star
3%
Review this product
Share your thoughts with other customers
Pros
- Cost-effective
- Auto-ranging
- Rechargeable
- Measurement records
- Threshold voltage measurement
- Useful for academic purposes
Cons
- Meter response slightly slower than some higher-end models
Platform Trust & Buyer Confidence
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
GBP 44
Order now and get it around Saturday, August 22
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:
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.

















