Preface
Thank you for purchasing the new UT123 residential multimeter. In order to use this product safely and correctly,
please read this manual thoroughly, especially the Safety instructions.
After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably close to
the device, for future reference.
Limited Warranty and Liability
Uni-Trend guarantees that the product is free from any defect in material and workmanship within one year from the
purchase date. This warranty does not apply to damages caused by accident, negligence, misuse, modification,
contamination and improper handling. The dealer shall not be
entitled to give any other warranty on behalf of Uni-Trend. If you need warranty service within the warranty period,
please contact your seller directly.
Uni-Trend will not be responsible for any special, indirect, incidental or subsequent damage or loss caused by using
this device. As some countries or regions do not allow limitations on implied warranties and incidental or subsequent
damages, the above limitation of liability may not apply to you.
Contents [ hide
1 1. Overview
2 2. Features
3 3. Safety Instructions
4 4. Operating Instructions
4.1 4.1 DC/AC Voltage Measurement (Picture 1)
4.2 4.2 Resistance Measurement (Picture 1)
4.3 4.3 Continuity Measurement (Picture 1)
4.4 4.4 Temperature Measurement (°C/°F Measurement, Picture
2)
4.5 4.5 Non-contact AC Electric Field Sensing (Picture 3)
4.6 4.6 Others
5 5. Specifications
6 6. Maintenance
6.1 6.1 General Maintenance
6.2 6.2 Battery Replacement (Picture 4)
7 File Downloads
8 Related Manuals
1. Overview
The UT123 is a pocket-size residential multimeter specially designed for home use. The compact structure makes it
easy to hold in one hand, and the EBTN screen allows users to obtain clear readings at maximum angle. The
multimeter is designed according to EN61010-1 :2010, EN61010-2-030:2010, and EN61326-1 :2013 safety standards
and is able to safely operate within the CAT Ill 600V environment.
2. Features
The battery status detection is automatically completed at the moment of booting: The green light indicates the
normal state; the yellow light indicates low battery; the red light indicates very low battery, and there is acousto-
optic indication at this time.
Automatic identification of ACV/DCV measurement
Intelligent non-contact electric field detection, which distinguishes the weak electric field by green light, the
strong electric field by yellow light, and the super strong electric field by red light
Full featured protection .
Before using the meter, please read the Safety Instructions carefully.
3. Safety Instructions
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