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Summary of Contents for UNI-T UT279
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Page 2: Table Of Contents
Contents Safety Information ....................1 Introduction....................2 Electrical Symbols ..................3 III. Technical Specifications ................4 External Structure ..................6 Operating Instructions ................7 1 Power On/Off .................... 7 2 Data Measurement ................... 7 3 Clock Setting..................... 8 4 Data Storage..................... 8 5 Data Viewing ..................... -
Page 3: Safety Information
Safety Information Thank you for buying this product, for better use of it, please be sure of the followings: Read the user manual carefully. Follow all operating precautions in the user manual. Pay special attention to safety use in any case. Note the labels, texts and symbols at the tester. -
Page 4: Introduction
Introduction UT279 Transformer Grounding Current Tester is designed and manufactured to perform on-line test on the grounding current and the leakage current of transformer iron core in power system on site, the tester is designed with current clamp, monitoring software, communication line, etc. -
Page 5: Electrical Symbols
LCD, enabling smart touch operation and easy use, it can display the value and waveform of measured current in real time. With FFT, digital filtering and other technologies employed, the tester makes measured data more accurate. UT279 has multiple functions such as alarming threshold setting and warning indication, data &... -
Page 6: Technical Specifications
death. Warning! The user must stringently observe the safety regulations, otherwise it can cause personal injury or damage to equipment. Double insulated Alternating current (AC) Direct current (DC) III. Technical Specifications Grounding current test, AC leakage current on-line test, AC Function current on-line test. - Page 7 Electromagne When the current clamp induces electric field of 100A at a distance of 10mm, induced current of 10mA will be generated. interference Sampling rate Once per second 200 sets of data (Data will not be lost when battery is replaced Data storage or power is down) Date and...
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Page 8: External Structure
Insulation AC 2kV/rms (between screw and casing) strength IEC1010-1, IEC1010-2-032, Pollution Class 2, CAT 600V, IEC61326 (EMC standard) IV. External Structure 1. Connector for current clamp 2. USB interface... -
Page 9: Operating Instructions
3. 3.5-inch color touch-screen LCD 4. Tester button and MEM button 6. POWER button 7. Coil tap 8. Coil tap 9. Shielded layer 10. Audio plug 11. Output lead 12. Current clamp 13. Trigger V. Operating Instructions 1 Power On/Off When POWER is pressed, the tester will be turned on and the LCD will display the menu. -
Page 10: Clock Setting
3 Clock Setting to move the cursor to “Clock Setting” icon, and In function menu page, press press MEM or tap “Clock Setting” icon to enter clock setting page, press tap “ ” icon to move the cursor to year, month, day, hour, minute, press tap “... -
Page 11: Touchscreen Calibration
press MEM or tap “Data Deletion” icon to enter data deletion page. When the cursor is at “Yes”, press MEM or tap “Yes” icon to delete the stored data. If pressing MEM or tapping “No” icon when the cursor is at “No”, the stored data will not be deleted and the present page will return to function menu page. -
Page 13: Monitoring In Real Time
To measure the leakage current of the grounding wire of electrical equipment, please clamp the grounding wire. To measure the current of the circuit, please clamp the live or neutral wire individually. To measure single-phase leakage current, please clamp the live and neutral wires together. -
Page 14: Data Downloading
in computer, if the communication is normal, the computer can monitor on-line current in real time. The monitoring software has multiple features such as on-line real-time monitoring, history querying, dynamic display, waveform indication, alarming threshold setting and alarming indication, and has multiple functions including data reading, access, storage, printing, etc.
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