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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 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 UT121A/UT121B Smart Multimeter User Manual

manual
Comprehensive user manual for the UNI-T UT121A and UT121B smart digital multimeters, detailing features, safety precautions, electrical symbols, general specifications, external structure, button functions, operating instructions for various measurements (voltage,…

UNI-T UT377A Wood Moisture Meter User Manual

User Manual
User manual for the UNI-T UT377A Wood Moisture Meter, detailing its features, specifications, operation, safety guidelines, and maintenance for accurate wood moisture measurement.

UNI-T UTi320E Thermal Imager User Manual

User Manual
Comprehensive user manual for the UNI-T UTi320E thermal imager, covering device structure, operation, menu functions, settings, image viewing, memory card usage, maintenance, safety precautions, and typical emissivity values.

UNI-T manuals from online retailers

UNI-T UT334E 4-in-1 Gas Leak Detector User Manual

UT334E • January 30, 2026
This manual provides comprehensive instructions for the setup, operation, and maintenance of the UNI-T UT334E 4-in-1 Gas Leak Detector. Learn about its features, safety guidelines, and technical specifications…

UNI-T UT334E Gas Leak Detector Instruction Manual

UT334E • January 30, 2026
Comprehensive instruction manual for the UNI-T UT334E 4-in-1 Gas Leak Detector, covering setup, operation, features, maintenance, and specifications for detecting EX, H2S, CO, and O2.

UNI-T UT682D Wire Tracker Instruction Manual

UT682D • January 27, 2026
This manual provides detailed instructions for the UNI-T UT682D Wire Tracker, covering its components, setup, operation for tracking telephone, twisted-pair, and electric wires, maintenance, troubleshooting, and technical specifications.

UNI-T UT123T Digital Multimeter Instruction Manual

UT123T • January 15, 2026
Comprehensive instruction manual for the UNI-T UT123T Digital Multimeter, covering setup, operation, maintenance, and specifications for residential and general electrical measurements.

UNI-T UT33B Digital Multimeter User Manual

UT33B • January 14, 2026
Comprehensive user manual for the UNI-T UT33B digital multimeter, providing instructions for safe setup, operation, maintenance, and troubleshooting of AC/DC voltage, current, resistance, diode, continuity, and NCV measurements.

UNI-T UT-200A Digital Collet Ammeter Gauge User Manual

UT200A • January 14, 2026
Comprehensive instruction manual for the UNI-T UT-200A Digital Collet Ammeter Gauge, covering safe setup, detailed operating procedures, essential maintenance, troubleshooting tips, and full technical specifications for accurate electrical…

UNI-T UT210E Mini Digital Clamp Meter User Manual

UT210E • January 8, 2026
Comprehensive user manual for the UNI-T UT210E Mini Digital Clamp Meter, covering safety, product overview, setup, operating instructions for AC/DC current, voltage, resistance, diode, capacitance, NCV, VFC, maintenance,…

UNI-T UT334F+ Multi Gas Detector User Manual

UT334F+ • January 30, 2026
Comprehensive instruction manual for the UNI-T UT334F+ Multi Gas Detector, covering setup, operation, maintenance, specifications, and safety information for detecting O2, H2S, CO, and LEL.

UNI-T UTi716S Thermal Imager User Manual

UTi716S • 1 PDF • January 25, 2026
Comprehensive instruction manual for the UNI-T UTi716S Thermal Imager, covering features, operation, specifications, and maintenance for electrical, HVAC, and automotive inspections.

UNI-T UTi261M Thermal Camera User Manual

UTi261M • 1 PDF • January 24, 2026
Instruction manual for UNI-T UTi261M Thermal Camera, covering setup, operation, specifications, and troubleshooting for Android phones.

UNI-T Thermal Camera Macro Lens Instruction Manual

UT-Z002, UT-Z003, UT-Z005, XGF-120S, XGF-260AB • January 23, 2026
Comprehensive instruction manual for UNI-T Thermal Camera Macro Lenses (models UT-Z002, UT-Z003, UT-Z005, XGF-120S, XGF-260AB), providing essential information on setup, operation, maintenance, and troubleshooting for enhanced thermal imaging.

UNI-T UT-D07B Bluetooth Adaptor Module User Manual

UT-D07B • January 23, 2026
Instruction manual for the UNI-T UT-D07B Bluetooth Adaptor Module, covering setup, operation, maintenance, specifications, and troubleshooting for wireless data transmission with compatible multimeters.

UNI-T UT347A Leeb Hardness Tester Instruction Manual

UT347A • January 23, 2026
Comprehensive instruction manual for the UNI-T UT347A Leeb Hardness Tester, covering setup, operation, maintenance, specifications, and troubleshooting for accurate metal hardness measurements.

UNI-T UT673A Car Battery Tester User Manual

UT673A • January 15, 2026
Comprehensive instruction manual for the UNI-T UT673A Car Battery Tester, covering setup, operation, specifications, and troubleshooting for 12V/24V battery, cranking, and charging system tests.

UNI-T video guides

Watch setup, installation, and troubleshooting videos for this brand.

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.