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UNI-T Manuals & User Guides

UNI-T (Uni-Trend Technology) is a leading manufacturer of reliable test and measurement instruments, including digital multimeters, clamp meters, oscilloscopes, and thermal imagers.

Tip: include the full model number printed on your UNI-T label for the best match.

About UNI-T manuals on Manuals.plus

Uni-Trend Technology (China) Co., Ltd., commonly known as UNI-T, is a premier global manufacturer of test and measurement solutions. Founded in 1988, the company operates advanced R&D centers in Chengdu and Dongguan to produce innovative, safe, and user-friendly instruments.

As an ISO9001 and ISO14001 certified company, UNI-T ensures its products meet rigorous international standards, including CE, ETL, UL, and GS. Their extensive catalog features high-performance digital multimeters, oscilloscopes, clamp meters, thermal imagers, and environmental testers. These tools are essential for professionals in electrical engineering, HVAC, telecommunications, and industrial maintenance.

UNI-T manuals

Latest manuals from manuals+ curated for this brand.

UNI-T UT336P Wireless Pressure Gauge Instruction Manual

February 13, 2026
UNI-T UT336P Wireless Pressure Gauge Product Overview UT336P Wireless Pressure Gauge measures the pressure of air-conditioner system, functions off-line data recording, monitors the long-time running of refrigeration and heat pump…

UNI-T UTi640H Professional Thermal Imager User Manual

January 5, 2026
UNI-T UTi640H Professional Thermal Imager PREFACE Thank you for purchasing the new UT1640H Professional Thermal Imager. In order to use this product safely and correctly, please read this manual thoroughly,…

UNI-T UT336B Refrigerant Gas Leak Detector Instruction Manual

November 21, 2025
UNI-T UT336B Refrigerant Gas Leak Detector Introduction UT336B Refrigerant Leak Detector is designed with a high-sensitivity semiconductor sensor and precision circuit, features quick response, high-accuracy detection, high reliability, easy-to-use, etc.…

UNI-T UTi380M Smartphone Thermal Imager Quick Start Guide

quick start guide
This quick start guide provides essential information for the UNI-T UTi380M Smartphone Thermal Imager. It covers product features, setup, connection, display interpretation, menu functions, settings, and app installation. Includes warranty…

优利德新能源汽车维修解决方案与诊断仪表

Product Overview
本文档介绍了优利德(UNI-T)为新能源汽车提供的维修解决方案,包括新能源汽车的类型、结构、常见故障诊断及相应的优利德测试仪表,旨在保障新能源汽车的安全高效运行。

UNI-T manuals from online retailers

UNI-T UT204PRO True RMS Clamp Meter Instruction Manual

UT204PRO • February 21, 2026
Comprehensive instruction manual for the UNI-T UT204PRO True RMS Clamp Meter, detailing its features, setup, various measurement functions including AC/DC current and voltage, resistance, capacitance, temperature, NCV, continuity,…

UNI-T UTi165A Thermal Imager Instruction Manual

UTi165A • February 18, 2026
Instruction manual for the UNI-T UTi165A Thermal Imager, covering setup, operation, maintenance, troubleshooting, and specifications for industrial temperature testing.

UNI-T UT122 Smart Digital Multimeter User Manual

UT122 • February 11, 2026
Comprehensive instruction manual for the UNI-T UT122 Smart Digital Multimeter, covering setup, operation, maintenance, and specifications for accurate electrical measurements.

UNI-T UT217A/UT217B Oscilloscope Clamp Meter User Manual

UT217A • February 6, 2026
This comprehensive user manual provides detailed instructions for the UNI-T UT217A and UT217B oscilloscope clamp meters, covering setup, operation, maintenance, troubleshooting, and technical specifications.

UNI-T UT693A-T30 Optical Power Meter User Manual

UT693A-T30 • February 3, 2026
Comprehensive user manual for the UNI-T UT693A-T30 4-in-1 fiber optic cable tester, optical power meter, visual fault locator, and RJ45 network tester. Includes setup, operation, maintenance, and specifications.

UNI-T UT123 UT123D Smart Multimeter User Manual

UT123/UT123D • 1 PDF • February 21, 2026
User manual for the UNI-T UT123 and UT123D Smart Multimeter, covering features, specifications, operating instructions, maintenance, and safety guidelines for voltage, resistance, continuity, and NCV measurements.

UNI-T UT387E Wall Scanner User Manual

UT387E • February 18, 2026
Comprehensive user manual for the UNI-T UT387E Wall Scanner, covering setup, operation, specifications, and maintenance for detecting metal, wood, and live AC wires.

UNI-T UT116A/UT116C Digital Tweezers SMD Tester User Manual

UT116A/UT116C • 1 PDF • February 18, 2026
Comprehensive instruction manual for UNI-T UT116A and UT116C Digital Tweezers SMD Testers, covering setup, operation, maintenance, specifications, and safety guidelines for resistance, capacitance, diode, LED, and DC voltage…

UNI-T UT701 UT705 Temperature Calibrator User Manual

UT701, UT705 • February 18, 2026
Comprehensive user manual for the UNI-T UT701 and UT705 Temperature Calibrators, covering setup, operation, specifications, and maintenance for thermocouple, RTD, voltage, and current calibration.

UNI-T UTi260B Plus Infrared Thermal Imager User Manual

UTi260B Plus • February 17, 2026
Comprehensive user manual for the UNI-T UTi260B Plus Infrared Thermal Imager, covering setup, operation, maintenance, specifications, and troubleshooting for industrial and circuit testing.

UNI-T UT312A Digital Vibration Meter User Manual

UT312A • February 16, 2026
Comprehensive user manual for the UNI-T UT312A Digital Vibration Meter, covering setup, operation, specifications, maintenance, and troubleshooting for accurate vibration measurement.

UNI-T UT213C Digital Clamp Meter Instruction Manual

UT213C • February 15, 2026
Comprehensive instruction manual for the UNI-T UT213C Digital Clamp Meter, covering setup, operation, maintenance, specifications, and troubleshooting for accurate electrical measurements.

UNI-T UT335 Digital Gauss Meter User Manual

UT335 • February 14, 2026
Comprehensive user manual for the UNI-T UT335 series digital Gauss meter, covering setup, operation, specifications, and maintenance for magnetic field detection.

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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.

  • What does 'OL' mean on my UNI-T multimeter display?

    'OL' stands for Over Load. It indicates that the measured value exceeds the currently selected range of the meter. Try switching to a higher range or check your connections.

  • How do I register my UNI-T product?

    You can register your product on the official UNI-T website or specifically via the instruments portal to confirm ownership and receive product notifications.

  • Where can I find software or drivers for my UNI-T device?

    Software and drivers are typically available for download on the UNI-T official website under the Service or Download sections, often searchable by model number.

  • What is the warranty period for UNI-T products?

    UNI-T instruments generally come with a limited warranty (often 3 years for main units and 1 year for accessories), but terms may vary by region and distributor. Check the warranty card included in your package for specific details.

  • Can UNI-T thermal imagers detect water leaks?

    Yes, many UNI-T thermal imagers and specific leak detectors (like the UT662 series) are designed to help locate water leaks in underfloor heating and plumbing by detecting temperature anomalies or sound frequencies.