Uni-trend High-precision Fully Automatic Intelligent Digital Multimeter UT890D+
📦 Location of the warehouse: China
Free Shipping from $50 in the US, $70 for non-continental US
- US Delivery Time: 2~7 Business days.
- Non-Continental US Delivery Time: 3~9 working days.
- Pre-Ordering: If an item is unavailable, you can pre-order it. We'll dispatch once stock is replenished, usually within 10 working days. Special pre-sale products will specify the expected arrival time in the description.
- Express Shipping: Need it faster? Contact us via email or through our live chat support, and we'll arrange expedited delivery for you.
Introducing the UNI-T UT890D+, a cutting-edge True RMS digital multimeter from the advanced UT890 series, engineered for unparalleled accuracy and user safety. This 6000-count, manual-ranging device goes beyond standard measurements, incorporating intelligent alert systems such as an automatic fuse blow alarm and comprehensive overvoltage/overcurrent warnings. These features not only notify users of potential overloads but also ensure the correct installation and functionality of fuses, enhancing operational safety and protecting the instrument.
The UT890D+ is equipped for versatile frequency measurements, capable of handling both low-voltage signals (10Hz to 10MHz below 30V) and high-voltage applications (10Hz to 10kHz from 5V to 750V). This specialized capability is crucial for precise power frequency analysis in various electrical systems. A standout innovation is its exclusive LIVE single-lead live wire detection, allowing electricians and technicians to swiftly and safely identify live and neutral conductors using just one test lead, streamlining diagnostics and improving workflow efficiency. While the UT890C offers high-precision temperature measurement, the UT890D+ excels with its dedicated live wire detection functionality, making it an indispensable tool for electrical professionals.
Advanced Features of the UT890 Series
- Audible fuse blow alert system
- True RMS for accurate AC voltage and current readings (up to 1000V AC/DC, 20A AC/DC)
- Non-Contact Voltage (NCV) detection with continuity buzzer and light alarm
- Rapid charging measurement for large capacitors up to 100mF
- Convenient AC/DC current mode memory function
- Unique single-lead live wire detection (specific to UT890D+)
- Dual-range frequency measurement for power frequencies (low-voltage and high-voltage)
The UT890D+ Digital Multimeter: Precision Meets Protection
The UNI-T UT890D+ is a professional-grade digital multimeter distinguished by its robust feature set and a design philosophy centered on safety. Its True RMS capability guarantees precise measurements even with distorted, non-sinusoidal waveforms prevalent in modern electronics. The integrated fuse blow alarm, coupled with overvoltage and overcurrent warnings, fortifies user safety by proactively alerting to hazardous conditions and verifying the instrument's operational integrity.
Specialized Frequency Measurement for Electrical Systems
Differentiating itself from conventional multimeters, the UT890D+ provides refined frequency measurement options. It adeptly measures low-voltage frequencies ranging from 10Hz to 10MHz (for inputs under 30V) and high-voltage frequencies from 10Hz to 10kHz (for signals between 5V and 750V). This comprehensive frequency analysis makes it an invaluable asset for diagnosing and maintaining intricate power systems, both industrial and residential.
Effortless Live Wire Identification with Single-Lead Technology
A key innovation of the UT890D+ is its LIVE single-lead live wire detection. This intelligent function empowers users to quickly and securely differentiate live conductors from neutral ones with minimal effort, requiring only a single test lead. This capability significantly reduces diagnostic time and elevates safety protocols during electrical installation and troubleshooting tasks.
Built for Safety and Intuitive Operation
The UT890D+ is meticulously crafted for user safety and ease of use. It features clear audible and visual alarms for NCV and continuity tests, alongside a generous 63x37mm LCD with a bright backlight for optimal readability in diverse lighting environments. An automatic power-off function helps conserve battery life. Adhering to stringent safety standards, it carries a CAT II 1000V / CAT III 600V rating, ensuring dependable performance across a broad spectrum of electrical applications.
Technical Specifications
| Model | UT890D+ | |
| Basic Functions | Parameters | Accuracy |
| DC Voltage | 600mV/6V/60V/600V/1000V | ±(0.5%+2) |
| AC Voltage | 6V/60V/600V/750V | ±(0.8%+3) |
| DC Current | 60uA/600uA/6mA/60mA/600mA/20A | ±(0.8%+8) |
| AC Current | 60uA/600uA/6mA/60mA/600mA/20A | ±(1%+12) |
| Resistance | 600Ω/6kΩ/60kΩ/600kΩ/6MΩ/60MΩ | ±(0.8%+3) |
| Capacitance | 9.999nF/99.99nF/999.9nF/9.999μF/99.99μF/999.9μF/9.999mF/99.99mF | ±(3%+10) |
| Frequency | 9.999Hz～9.999MHz | ±(1.0%+5) |
| Temperature | NA | NA |
| Special Functions | ||
| Display Count | 6000 | |
| True RMS | Yes | |
| Continuity Test | Yes | |
| Diode Test | Yes | |
| Transistor Test | Yes | |
| Audible/Visual Alarm | Yes | |
| NCV | Yes | |
| Live Wire Test | Yes | |
| LCD Size | 63x37mm | |
| Fuse Blow Alarm | Yes | |
| Backlight Display | Yes | |
| Gear Memory | Yes | |
| Max/Min Measurement | Yes | |
| Relative Value Measurement | Yes | |
| Low Voltage Display | Yes | |
| Auto Power Off | Yes | |
| Power Supply | AAA 1.5V x 2 | |
| Safety Rating | CAT II 1000V / CAT III 600V | |
1. General Shipping Information
- We provide premium shipping methods with a tracking number for each order.
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Shipping address should be input in English without any special symbols to help the courier company recognize your address in the system. We will ship according to the shipping address you provided. Please notify us of any address change before your order is marked "Shipped" to avoid parcel loss.
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Please contact our customer service staff immediately if you need to cancel or change an order. Once your order has reached "Shipped" status, it can no longer be canceled or changed in any way. To avoid complications, please recheck your shopping cart before checkout.
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We can ship all in-stock orders within 1 business day as your order has been confirmed.
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All items are inspected before dispatch and are carefully hand-packed.
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With standard courier practice, you need to check the contents of the parcel before signing for your goods. Otherwise, we will not be held responsible for any damage that may have occurred in transit.
2. Shipping Options & Rates (United States)
(For Products in the US Warehouse & Global Warehouse)
2.1 Continental U.S. (50 States)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| USPS Ground Advantage | $0.00 - $5.00 | $9.99 | 3-7 Business Days |
| USPS Ground Advantage | $5.00 - $50.00 | $5.99 | 3-7 Business Days |
| USPS Ground Advantage | Over $50.00 | Free | 3-7 Business Days |
|
USPS Priority Mail (Faster Option) |
$0.00 - $50.00 | $19.99 | 1-4 Business Days |
| USPS Priority Mail | Over $50.00 | $17.59 | 1-4 Business Days |
2.2 Non-Continental U.S.
(Includes Alaska, Hawaii, Puerto Rico, Guam, Virgin Islands, etc.)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| USPS Ground Advantage | $0.00 - $5.00 | $9.99 | 5-9 Business Days |
| USPS Ground Advantage | $5.00 - $70.00 | $7.99 | 5-9 Business Days |
| USPS Ground Advantage | Over $70.00 | Free | 5-9 Business Days |
Important Notice:
- Before placing your order, please check the inventory location on the product page to confirm the delivery timeframes.
- For products stored in the Global Warehouse (Shenzhen), we will ship them directly from China.
- If you place an order for products from both the U.S. warehouse and the Global warehouse, we will ship your order separately: the products from the Global warehouse will be sent from China, and the products from the U.S. warehouse will be sent from the U.S. warehouse.
3. Warehouse Locations
Our products are stored in both our U.S. and Global warehouses to provide more flexible logistics solutions. On each product's description page, we indicate the specific warehouse location.
3.1 U.S. Warehouse
For products stored here, we use USPS for shipping. Logistics within U.S. are very efficient, with an estimated delivery time of 3-7 business days.
3.2 Global Warehouse (China)
Located in Shenzhen, Guangdong.
For orders shipping from our Global Warehouse, we typically use YunExpress. Given the complexities of international shipping, the estimated delivery time is around 10 business days, though this may vary due to customs processes.
4. Customs and Taxes
Effective Date: December 10, 2025
At OpenELAB, we are committed to providing accurate product descriptions and high-quality electronics. The following policy outlines your rights and obligations, designed to be fair to both our customers and our business operations globally.
1. Warranty Policy
A. Standard Limited Warranty (Global & US)
For customers in the United States, Asia, and other non-EU regions:
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Warranty Period: OpenELAB provides a 12-month warranty from the date of delivery.
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Coverage: This warranty covers defects in material and workmanship under normal use.
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Resolution: We will repair or replace defective units at no charge.
B. Statutory Rights for EU/UK Customers (EU Compliance)
If you are a consumer residing in the European Union or the UK purchasing from our global site:
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Statutory Guarantee: You are entitled to a 24-month statutory guarantee for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.
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Relation: The Standard Limited Warranty (Section 1.A) applies in addition to, and does not replace, your statutory rights.
C. Warranty Exclusions (Applies to ALL Regions)
Warranty coverage is VOID if the damage is caused by:
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Misuse: Incorrect installation, reverse polarity, or exceeding voltage limits.
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Unauthorized Modification: This explicitly includes soldering, cutting pins, modifying the PCB, or flashing unauthorized/beta firmware that "bricks" the device.
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Physical Damage: Drops, moisture/water damage, or electrical surges (lightning).
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Normal Wear & Tear: Consumable parts (e.g., batteries), unless defective upon arrival.
Note: For non-warranty repairs (e.g., customer-induced damage), we may offer repair services for a fee. Shipping and diagnostic costs will be borne by the customer.
2. Return & Refund Policy
A. Return Window
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Standard: You may request a return within 31 days of receiving your order.
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EU Customers: You have the statutory right to withdraw from the contract within 14 days of receipt without giving a reason.
B. Refund Conditions & Restocking Fees
To protect against policy abuse, the refund amount is strictly determined by the condition of the returned item.
1. Full Refund (100%)
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The item is Brand New, Unopened, and Unused.
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The original packaging is intact and sealed.
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All accessories are present.
2. Partial Refund (Restocking Fee / Value Depreciation)
If the item is returned in a condition that prevents it from being sold as new, OpenELAB reserves the right to deduct a Restocking Fee (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:
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Signs of Use: Visible scratches, mounting marks on screw holes, or fingerprints.
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Damaged Packaging: Original box is torn, written on, or missing.
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Technical Modification: The device has been powered on, programmed/flashed, or soldered.
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Broken Seals: Anti-static bags or security seals have been opened.
Depending on the severity of the usage/damage, the deduction may range from 15% to 50% of the product price. Items damaged beyond repair due to misuse will not be refunded.
C. Shipping Costs
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Defective / Wrong Item: OpenELAB covers the return shipping cost.
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Customer Remorse (Changed Mind / Ordered Wrong Item): The customer is responsible for all return shipping costs to our designated return center (located in the US, Germany, or China, depending on your region). Original shipping fees are non-refundable unless required by local law.
3. Return Process (RMA)
To ensure a smooth return process, please follow these steps:
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Authorization: Contact us at info@openelab.io before returning any item. Returns without prior authorization will not be accepted.
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RMA Number: We will provide you with a Return Merchandise Authorization (RMA) number and the correct return address.
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Packing: Ship the item back in its original packaging with the RMA number clearly marked on the shipping label (not on the product box).
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Tracking: We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.
