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Summary of Contents for UNI-T UT267B
- Page 1 P/N:110401103632...
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Page 2: Table Of Contents
Contents TITLE PAGE Warnings I. Overview II. Electrical Symbols III.Technical Specifications 1. Reference and Operating Conditions 2. General Specifications 3. General Differences and Performance Indexes under Reference Conditions IV. Structure of Meter V. Operating Instructions 1. Power On/Off 2. Backlight Control... -
Page 3: Title Page
TITLE PAGE Warnings 3. Data Hold and Save Thank you for purchasing our product UT267B intelligent three-phase 4. Data Access and Exit digital phase volt-ampere meter (also known as three-phase digital volt 5. Data Delete -ampere meter). In order to use the product properly, please follow 6. -
Page 5: Overview
meter a safe, accurate and convenient new electric instrument offered for I. Overview electric inspectors. UT267 intelligent three-phase digital phase volt-ampere meter (there- The meter, designed with latest materials for shell pattern and anti- phase digital phase volt-ampere meter) comes out from hard efforts of our vibration, anti-skidding, high-insulation protection jacket, can offer 240dots developers and is a fully automatic, multi-purpose, digital and intelligent meter 160dots and dynamic display together with vector diagram indication, thus... -
Page 6: Electrical Symbols
electric power, petrochemical, metallurgy, railway, factories and mining, R&D Alternate Current(AC) institutes, metrological department. It is particularly needed in electric direct Current(DC) charging and relay protection system, electric power calculation, check and Dual Insulation monitoring from power supply remarketing departments as well as electric installment, relay protection, differential inspection, start-up testing, power transformation check , electrical training, skill competition performed by III. -
Page 7: General Specifications
2. General Specifications Current Amplitude When measuring 200mA 3mA 10mA 20A To measure three-phase AC voltage, current, phase frequency phase sequence between two voltages, currents or both, frequency, phase Voltage Amplitude when sequence, active and reactive power, apparent power, measuring frequency 100V 10V 10V 600V power factor, sum of current vector;... - Page 8 Frequency: 45.00Hz 65.00Hz Power Factor: 0.001 Active Power: 0.0W 12kW Sum of Current Vector: 1mA Reactive Power: 0.0VAR 12kVAR Phase Normal: U1,U2,U3 or I1,I2,I3 cursor flashes from left to right Apparent Power: 0.0VA 12kVA Sequence Reverse: U1,U2,U3 or I1,I2,I3 Cursor flashes from right to left Power Factor: -1 +1 Data Storage 500 sets...
- Page 9 Measuring Working Temperature About 2 seconds per time 80%Rh Speed Rate and Humidity Press HOLD button to maintain data , indicated by HD Storage Temperature Data Hold 70%Rh symbol and Humidity Auto power off to reduce power loss 15mins later after Input Impedance Input impedance for measuring voltage *Auto Power Off...
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Page 10: General Differences And Performance Indexes Under Reference Conditions
3. General Differences and Performance Indexes under Reference IV. Structure of Meter Conditions. Range Items Resolution General Difference 1. USB-RS232 Interface Voltage (1.5%rdg+3dgt) AC 0.00V 600V 0.01V 2. Vibration-Proof Insulation Jacket (1.5%rdg+3dgt) 3. LCD Display Current AC 0.0mA 20.0A 0.1mA 4. -
Page 11: Operating Instructions
V. Operating Instructions indicated by HD icon, press again to cancel the operation. The meter will automatically save and number current data while maintaining the data, Note: indicated by group serial number such as S 001. Max 500 sets of data is Please carefully check if there are damaged parts or not before safe use. -
Page 12: Display Mode Switchover
6. Display Mode Switchover The meter will automatically enter into voltage, current, phase display measuring modes (Figure A) after power on; then press Down button to go into display modes of active and reactive power, apparent power, power factor, frequency, three-phase current vector measurement (Figure B); or Right button to access phase sequence status (Figure C);... - Page 13 7. Measurement Voltage terminals U1, U2, U3 are named the same with red marks Electric Shock, Danger! Only trained and authorized staff is allowed on current clamps. to operate and should strictly observe safety rules, to avoid any The Current clamping direction should accord with those of red damage to the meter or personal injury in case of electric shock.
- Page 14 2. Three-Phase Four-Wire Measuring: close to120 and 300 ( it may caused by wrong current clamping or wiring Connect yellow UA, green UB, red UC and black N correspondingly to connection), other conditions will be identified as reverse phase sequence terminals yellow U1, green U2, red U3 and black COM on the meter, then (absence of phase not considered).
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Page 15: Measurement
Connection Figures shown as below: 2. Three-phase Four-Wire Voltage, Current, Phase Angle and Sequence, Frequency, Power and Power Factor Measurement: 1. Single --Phase Voltage, Current, Phase Angle, Frequency, Power Measurement:... -
Page 16: Data Transmission To Pc
8. Data Transmission to PC 3. Three-Phase Three-Wire Voltage, Current, Phase Angle, Phase The accessory RS232 connection line is used for communication of the Sequence, Frequency, Power and Power Factor Measurement: meter with PC. With the meter power on and the software running, several following operations such as history lookup, data recall, save, report sheet, history printing can all be performed. - Page 17 1. Low battery icon will be displayed with power supply below 7.2V, please timely change batteries and do as below: 2. Press OFF button to power off. 3. Use cross-shaped screwdriver to loosen one bolt away from the battery cover and open it. 4.
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Page 18: Other Items And Notes
VII. Other Items and Notes: Phase Relations Phase Value Phase Relations Phase Value Ua-Ub Ia-Ib 1. Exclusiveness of Current Clamps Ub-Uc Ib-Ic There are three current clamps attached to every meter, which can not be Uc-Ua Ic-Ia exchanged for the other meters. Current clamps should be prevented from any crush and kept clean in order to ensure reliability when closing up to 5. -
Page 19: Product Checklist
6. Three-Phase Four-Wire and Three-Phase Three-Wire Vectorgrams VIII. Product Checklist The Meter Giftbox Current Clamps System Software Disk 1 (1.8 meters) RS232 Cable 4 (one for each type: yellow, green, Test leads Three-Phase Four-Wire Three-Phase Three-Wire red, black ) Vectorgram Vectorgram Battery 6 PCS (Alkaline dry battery 1.5V AA)
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