--- product_id: 407379069 title: "DL389B True RMS Dual Display Clamp Meter" brand: "uei test instruments" price: "£368.44" currency: GBP in_stock: false reviews_count: 5 category: "U Ei Test Instruments" url: https://www.desertcart.co.uk/products/407379069-dl389b-true-rms-dual-display-clamp-meter store_origin: GB region: United Kingdom --- # True RMS accuracy Dual backlit display CAT IV 300V & CAT III 600V safety DL389B True RMS Dual Display Clamp Meter **Brand:** uei test instruments **Price:** £368.44 **Availability:** ❌ Out of Stock ## Summary > ⚡ Clamp into precision, safety, and efficiency — the DL389B powers your professional edge! ## Quick Answers - **What is this?** DL389B True RMS Dual Display Clamp Meter by uei test instruments - **How much does it cost?** £368.44 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/407379069-dl389b-true-rms-dual-display-clamp-meter) ## Best For - uei test instruments enthusiasts ## Why This Product - Trusted uei test instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ready When You Are:** Comes complete with test leads, K-Type temperature probe, batteries, and a rugged pouch for on-the-go professionals. - • **Safety First, Always:** Certified CAT IV 300V & CAT III 600V ratings plus Non-Contact Voltage detection keep you protected on the job. - • **Precision Meets Power:** True RMS technology ensures flawless readings on any load type, eliminating guesswork. - • **Work Smarter, Hands-Free:** Magnetic mount and backlit dual display let you multitask effortlessly in any lighting condition. - • **All-in-One Industrial Solution:** Measures AC/DC volts, microamps, capacitance, frequency, temperature, and more—your ultimate diagnostic toolkit. ## Overview The DL389B True RMS Dual Display Clamp Meter is an industrial-grade diagnostic tool designed for professionals demanding accuracy and safety. Featuring True RMS measurement, CAT IV 300V & CAT III 600V safety ratings, and a versatile dual backlit display with magnetic mount, it measures a wide range of electrical parameters including AC/DC volts, microamps, capacitance, frequency, temperature, and more. The kit includes essential accessories for immediate use, making it a reliable, all-in-one solution for industrial and HVAC applications. ## Description The DL389B is a True RMS Clamp meter with a dual display and temperature, With functions such as AC and Cc volts, AC and DC micro amps, AC amps, resistance, diode test, capacitance frequency and duty cycle. And is backed by a 2-Year limited . Review: Gran equipo! Es el tercero de la línea UEI y hasta el momento lo mejor en relación cálidad precio, práctico y cómodo además de preciso Review: Pretty good multimeter so far. ## Features - INDUSTRIAL GRADE: The DL389B is a commercial grade clamp meter with enhanced capabilities for every industrial setting. Our clamp meter measures AC Amps, AC/DC Volts, AC/DC Microamps 2000µA, Capacitance 4000µF, Frequency 199.9KHz, Diode Testing, Duty Cycle, Temperature, Continuity, and Resistance 40MΩ. - TRUE RMS: This industrial clamp meter features True RMS providing accurate measurements on any type of load. - ENHANCED SAFETY: The DL389B provides increased safety with a CAT IV 300V & CAT III 600V safety rating. This clamp meter includes Non-Contact Voltage to identify live lines. There are input jack locks to protect your meter from blowing a fuse. - GREAT DESIGN: Our clamp meter includes and easy to read backlit dual display with a magnetic mount for handsfree operation. The unit also has a work light to illuminate dark areas and test lead storage for easy transport. Other features include Auto/Manual Ranging Modes, Min/Max, auto power off to conserve battery, and a Low Battery Indicator. - COMPLETE KIT: Also included with your clamp meter are test leads, K-Type temperature probe, 2 AAA batteries, and a zippered pouch for easy transportation. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07T9GD6DB | | Are batteries included? | Yes | | Brand | UEi Test Instruments | | Colour | Yellow | | Customer Reviews | 4.5 4.5 out of 5 stars (327) | | Date First Available | 12 December 2019 | | Global Trade Identification Number | 00535335084130 | | Included Components | Test lead , K-Type temperature probe , 2 batteries, Manual and Pouch | | Item Dimensions LxWxH | 38 x 82 x 221 Millimeters | | Item Height | 8.7 Inches | | Item Weight | 454 g | | Item Width | 3.23 Inches | | Item dimensions L x W x H | 38 x 82 x 221 Millimeters | | Item model number | DL389B | | Manufacturer | true | | Measurement Type | Clamp Meter | | Model number | DL389B | | Net Quantity | 1.0 Count | | Number of Memory Sticks | 1 | | Power Source | Battery Powered | | Product Dimensions | 3.81 x 8.2 x 22.1 cm; 453.59 g | | Specific Product Use | Professional | | Specification Met | IEC 61010-1, CAT IV 300V & CAT III 600V | | Style | DL389B Digital True RMS Clamp Meter, HVAC 4000 Counts Auto Ranging Voltmeter, Measures AC & DC Volts AC Amps AC/DC Microamps Temperature Frequency Resistance Capacitance Duty Cycle NCV Diode Test | | UPC | 053533508413 535335084130 | | Upper Temperature Rating | 752 Degrees Fahrenheit | ## Product Details - **Brand:** UEi Test Instruments - **Colour:** Yellow - **Item Weight:** 454 g - **Power Source:** Battery Powered ## Images ![DL389B True RMS Dual Display Clamp Meter - Image 1](https://m.media-amazon.com/images/I/41QR5QDlKZL.jpg) ![DL389B True RMS Dual Display Clamp Meter - Image 2](https://m.media-amazon.com/images/I/41xcSsbeVmL.jpg) ![DL389B True RMS Dual Display Clamp Meter - Image 3](https://m.media-amazon.com/images/I/519VmWNlpOL.jpg) ![DL389B True RMS Dual Display Clamp Meter - Image 4](https://m.media-amazon.com/images/I/51t4XxHhzJL.jpg) ![DL389B True RMS Dual Display Clamp Meter - Image 5](https://m.media-amazon.com/images/I/61+s0r8oDBL.jpg) ## Questions & Answers **Q: Does the head comes off. what is the difference between 389 vs 389B** A: No the head does not come off that I know of, I have never taken it off on mine. The 389B is the upgraded version of 389 adding micro amps and non-contact voltage testing. I like my 389B, **Q: Hello guys does this model of multimeter have the magnetic mount ?** A: Yes. Works well. **Q: Have anyone have problem putting test leads into meter? Seems to have black piece over both test lead opening.** A: By UEi Seller on December 30, 2021 **Q: where is it made?** A: Korea For the money is one of the best RMS everyday Heavy Duty use meters!!! Amps and Volts same time!! Magnet too. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by M***. on 23 September 2023* Gran equipo! Es el tercero de la línea UEI y hasta el momento lo mejor en relación cálidad precio, práctico y cómodo además de preciso ### ⭐⭐⭐⭐⭐ Review *by G***N on 28 November 2025* Pretty good multimeter so far. ### ⭐⭐⭐⭐⭐ Review *by J***L on 1 August 2022* Este articulo lo ordene para mi esposo, esta muy satisfecho. ## Frequently Bought Together - UEi DL389B Digital True RMS Clamp Meter, HVAC 4000 Counts Auto Ranging Voltmeter, Measures AC & DC Volts AC Amps AC/DC Microamps Temperature Frequency Resistance Capacitance Duty Cycle NCV Diode Test - UEi Test Instruments ATTPC3 Pipe Clamp K-Type Thermocouple adapter, HVAC Temperature Probe for Clamp Meters, Surface Thermometer for Boiler and AC Line Temperature Readings - UEi Test Instruments PDT650 Folding Pocket Digital Thermometer,Yellow --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/407379069-dl389b-true-rms-dual-display-clamp-meter](https://www.desertcart.co.uk/products/407379069-dl389b-true-rms-dual-display-clamp-meter) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-15*