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Summary of Contents for UNI-T UT121 Series
- Page 1 P/N:110401111425X UT 122 Smart Digital Multimeter True RMS LIVE CAT III 600V UT 122 Smart Digital Multimeter...
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Page 2: Table Of Contents
UT122 User Manual Contents I. Overview ------------------------------------------------------------------------- 3 II. Features ------------------------------------------------------------------------- 3 III. Accessories -------------------------------------------------------------------- 3 IV. Safety Information ----------------------------------------------------------- 4 V. Electrical Symbols ------------------------------------------------------------ 5 VI. General Specifications ----------------------------------------------------- 5 VII. External Structure ---------------------------------------------------------- 6 VIII. Button Descriptions ------------------------------------------------------- 7 IX. -
Page 3: Overview
UT122 User Manual UT122 User Manual I. Overview IV. Safety Information UT122 is a smart digital multimeter with color screen, it can identify functions and ranges Note the “Warning labels and sentences”. A Warning identifies conditions and procedures automatically according to the input signal, reducing operating difficulty effectively and that are dangerous to the user and that can cause damage to the Product or the equipment improve work efficiency. -
Page 4: Electrical Symbols
UT122 User Manual UT122 User Manual V. Electrical Symbols VII. External Structure (Figure 1) 1. LCD display screen (Display measurement data and function symbols) Symbol Description Symbol Description 2. POWER and flashlight switches High voltage Alternating voltage or current 3. Hold recent data and switch backlight brightness Grounding Direct voltage or current 4. -
Page 5: Button Descriptions
UT122 User Manual UT122 User Manual IX. Operating Instructions VIII. Button Descriptions 1. AC/DC Voltage Measurement 1. POWER button “ ” 1) Connect red test lead with “VΩ” terminal, and black with “COM”. 2) Set the functional switch to AC/DC voltage range or Auto range, and connect a) Long press this button for about ≥2 seconds to turn on/off the product. - Page 6 UT122 User Manual UT122 User Manual 6. Frequency and Duty Cycle Measurements Warning: • Before detecting on-line continuity, switch off all powers in the measured 1) Connect red test lead with “VΩ” terminal, and black with “COM”. circuit and discharge all capacitors completely, so as to ensure accurate 2) Press SEL button to switch to “HZ”...
- Page 7 UT122 User Manual UT122 User Manual Warning: • Please make sure that the NCV sensing end gets close to the measured UT 122 electric field, otherwise the measurement sensitivity can be affected. • If the voltage of measured electric field is ≥100V AC, please observe if the conductor of measured electric field is insulated.
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Page 8: Technical Specifications
UT122 User Manual UT122 User Manual X. Technical Specifications (3) Resistance Accuracy: ± (a% of reading + b digits), one-year calibration period Range Accuracy Resolution Overload Protection Ambient temperature and humidity: 23°C±5°C; ≤80%RH ± 1.0%+5) Temperature coefficient: The range to ensure accuracy is 18°C~28°C, the 600.0Ω... - Page 9 UT122 User Manual UT122 User Manual (6) Temperature (9) NCV Range Accuracy Resolution Overload Protection Range Accuracy -40℃～40℃ ±3 1) If there is no electric field detected, the main display shows 41 ～500 ℃ ℃ ±(1.0%+3) 1℃ “EF” and the auxiliary display shows ambient temperature. 501 ～1000 ℃...
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Page 10: Maintenance
UT122 User Manual UT122 User Manual XI. Maintenance (Figure 4) Warning: Do not disassemble the product or open its cover (there is built-in battery inside). 1. When the product is not in use, please power it off to save energy. 2.
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