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UNI-T Manuals & User Guides

UNI-T is a leading provider of reliable test and measurement solutions, including multimeters, borescopes, and laser levels for professionals and hobbyists.

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About UNI-T

UNI-T, officially known as Uni-Trend Technology (China) Co., Ltd., is a globally recognized manufacturer of test and measurement instruments. With over 30 years of experience in the industry, the brand is highly regarded for delivering reliable, accurate, and innovative tools designed for both professional engineers and DIY enthusiasts.

The UNI-T product lineup spans a wide variety of electronics testing equipment, including digital multimeters, clamp meters, oscilloscopes, insulation testers, industrial borescopes, and laser levels. Designed to meet strict international safety and quality standards, UNI-T devices are trusted in various fields such as electrical maintenance, HVAC, automotive diagnostics, and industrial inspection.

UNI-T manuals

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UNI-T LM50A LM70A LM100A Laser Distance Meter User Manual

October 23, 2026
Overview The LM50A/LM70A/LM100A/LM120A is a handheld laser distance meter that measures distance and supports area, volume, and indirect Pythagorean calculations, along with data logging and continuous min/max measurement. Specifications Model…

UNI-T UTi160S Handheld Thermal Imager User Guide

October 19, 2026
UNI-T UTi160S Handheld Thermal Imager Quick Start Guide Safety first: Use or store the product within specified operating/storage temperatures and avoid aiming at strong heat sources (e.g., sun, laser devices,…

UNI-T UT685A TDR Cable Tester Kit User Manual

September 2, 2026
UNI-T UT685A TDR Cable Tester Kit Other specifications Performance specifications Types Descriptions Display screen 2.8-inch LCD digital screen Cable types tested Twisted-pair cables: UTP (Unshielded cable), FTP (aluminum foil shielded…

UNI-T UTS1000B Spectrum Analyzer User Manual

September 2, 2026
UTS1000B/T Series Spectrum Analyzer User’s Manual V1.2 June 2025 Foreword Thank you for choosing this brand new UNI-T instrument. In order to use this instrument safely and correctly, please read…

UNI-T UT337B Laser Particle Counter Meter User Manual

September 1, 2026
UNI-T UT337B Laser Particle Counter Meter Specification Parameter Value / Range Model UT337B Channels 6-Channel Particle Size 0.3μm, 0.5μm, 1.0μm, 3.0μm, 5.0μm, 10.0μm Counting Efficiency 0.3μm ≥ 50% ; 0.5μm:…

UNI-T UT503PV Photovoltaic Insulation Resistance Tester User Manual

User Manual
Comprehensive user manual for the UNI-T UT503PV Photovoltaic Insulation Resistance Tester, detailing its features, operation, safety guidelines, and technical specifications for accurate insulation resistance measurements in photovoltaic and conventional electrical…

UNI-T UTP1310 DC Power Supply User Manual

user manual
User manual for the UNI-T UTP1310 DC Power Supply, detailing specifications, features, operation, safety instructions, and maintenance for this 0-32V, 0-10A adjustable power supply.

UNI-T manuals from online retailers

UNI-T UPO1082HD Digital Oscilloscope User Manual

UPO1082HD • October 17, 2026
Comprehensive user manual for the UNI-T UPO1082HD 80 MHz, 2-channel, 12-bit digital oscilloscope, covering setup, operation, maintenance, troubleshooting, and specifications.

UNI-T UTi120S Handheld Thermal Imager User Manual

UTi120S • October 10, 2026
Comprehensive user manual for the UNI-T UTi120S Handheld Thermal Imager, covering setup, operation, maintenance, specifications, and troubleshooting for industrial and electrical applications.

UNI-T Laser Distance Meter LM120A User Manual

LM120A • August 10, 2026
Official user manual for the UNI-T LM120A Laser Distance Meter, covering setup, operation, maintenance, troubleshooting, and specifications for accurate distance, area, and volume measurements.

UNI-T UT256 Series Fork Meter User Manual

UT256 • 1 PDF • October 23, 2026
Comprehensive user manual for the UNI-T UT256, UT256A, and UT256B Fork Meters, including safety instructions, operation guides, specifications, and maintenance.

UNI-T UT256 Fork Meter User Manual

UT256 • 1 PDF • October 23, 2026
Comprehensive user manual for the UNI-T UT256 Fork Meter, a digital AC/DC current clamp meter with True RMS, NCV, and high precision for electrical measurements.

UNI-T UT320T 2-in-1 Thermometer User Manual

UT320T • 1 PDF • October 23, 2026
Comprehensive user manual for the UNI-T UT320T 2-in-1 Infrared Laser & Contact Probe Thermometer, covering setup, operation, maintenance, troubleshooting, and specifications.

UNI-T UT320T 2-in-1 Thermometer User Manual

UT320T • 1 PDF • October 23, 2026
Instruction manual for the UNI-T UT320T 2-in-1 Thermometer, covering infrared and probe measurements, operation, maintenance, and specifications. Learn how to use your UT320T safely and effectively.

UNI-T UT320T 2-in-1 Thermometer User Manual

UT320T • 1 PDF • October 23, 2026
Comprehensive user manual for the UNI-T UT320T Digital 2-in-1 Infrared Laser & Contact Probe Thermometer, covering setup, operation, maintenance, and specifications.

UNI-T UT691A/UT691B Series Optical Tester User Manual

UT691A, UT691B • 1 PDF • October 23, 2026
Comprehensive user manual for UNI-T UT691A and UT691B series optical testers, including specifications, operation, maintenance, and safety guidelines for fiber optic network inspection and maintenance.

UNI-T UT61+ Series Digital Multimeter User Manual

UT61B+, UT61D+, UT61E+ • 1 PDF • October 23, 2026
Comprehensive user manual for UNI-T UT61B+, UT61D+, and UT61E+ True RMS Digital Multimeters, including setup, operation, specifications, and maintenance.

UNI-T UT195E/M/DS Professional Digital Multimeter User Manual

UT195E UT195M UT195DS • 1 PDF • October 23, 2026
Comprehensive user manual for the UNI-T UT195E, UT195M, and UT195DS Professional Digital Multimeters, including safety guidelines, operating instructions, technical specifications, and maintenance.

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UNI-T video guides

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UNI-T support FAQ

Common questions about manuals, registration, and support for this brand.

  • Where can I find the user manual for my UNI-T multimeter?

    You can download the user manual for your UNI-T multimeter and other devices directly from this page, or visit the official UNI-T support website.

  • How do I read the error codes on my UNI-T socket tester?

    Error codes such as 'LIVE/GRD REVERSE' indicate a wiring issue. Detailed error tables and troubleshooting steps are available in your specific product user manual.

  • Does my UNI-T product come with a warranty?

    Yes, Uni-Trend generally guarantees that products are free from defects in materials and workmanship for one year from the purchase date. Check your specific manual for exact terms.

  • How do I charge or replace the battery in my UNI-T tool?

    Many modern UNI-T tools feature a built-in lithium battery rechargeable via USB Type-C, while others use standard replaceable batteries. Refer to the Battery Maintenance section of your user manual for exact specifications.