UNI-T UT2658 Скачать руководство пользователя страница 20 | Manualshive

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Содержание UT2658

Страница 1: ...P N 110401103630X DATE 2018 06 26 REV 2 ...

Страница 2: ...ls 8 III Technical Specifications 9 1 Reference and Operating Conditions 9 2 General Specifications 11 3 General Differences and Performance Indexes under Reference Conditions 16 IV Meter Description 17 V Operating Instructions 18 1 Power On Off 18 2 Backlight Control 18 ...

Страница 3: ...Items and Notes 32 VIII Product Contents 35 Warnings Thank you for purchasing our product UT265 intelligent double clamp phase digital voltammeter also known as automatic dual clamp digital phase voltampere meter In order to use the meter properly please follow instructions below Read user manual carefully Strictly observe safety rules and notes mentioned in this manual ...

Страница 4: ...4 5 ...

Страница 5: ...on phase between CT units check and ensure correct wiring of kilowatt hour meter and good conditions of wiring equipment which all together turn the meter into a safe accurate convenient new model of instrument for electrical inspection The meter designed with molded housing made in latest materials and anti vibration anti skidding high insulation protection jacket can offer 240dots 160dots and dy...

Страница 6: ... Symbols Extreme danger To avoid personal injury or accidents in case of electric shock observe safety rules strictly Danger To avoid electric shock personal injury or accidents please follow safety notes Warning Confirm to safety instructions otherwise it may cause personal injury or meter damage 8 Alternating Current AC Direct Current DC Dual Insulation III Technical Specifications 1 Reference a...

Страница 7: ...Specifications To measure two way AC voltage current phase angle between voltages current or both frequency phase sequence active reactive and apparent powers power factor differentiate wiring groups of transformers inductive and capacitive circuits test secondary loop and bus differential protection system read out differential protection phase between CT units check and ensure correct wiring of ...

Страница 8: ... Storage 1500 sets RS232 Interface With RS232 all data transferred into PC for further data management and analysis Communication line Rs232 type 1 8 meters long Power Consumption Max 70mA consumed with backlight on 12 hours for battery life 50mA with backlight off 16 hours for battery life Display Mode LCD display 240dots 160dots Dimensions Long Wide Thick 196mm 92mm 54mm Measuring Speed Rate Abo...

Страница 9: ...re Length 2m 5mm Working Temperature Humidity 10 40 80 Rh Storage Temperature Humidity 10 60 70 Rh Input Impedance Input impedance for measuring voltage 2M Withstand Voltage meter circuits and housing able to withstand AC voltage1000V 50Hz for 1 minutes when input sine wave Insulation For circuits and protected housing 100M Structure Double Insulation coupled with vibration proof insulation jacket...

Страница 10: ...VA 1 1 45HZ 65HZ 0 01V 1 5 rdg 3dgt 0 1mA 1 5 rdg 3dgt 0 1 1 0 1W 0 1VAR 0 1VA 0 001 0 01HZ 3 rdg 3dgt 3 rdg 3dgt 3 rdg 3dgt 0 03 2 rdg 3dgt Notes1 Phase angle differences should not exceed 3 under the working conditions IV Structure of Meter 1 RS232 Interface 2 Vibration Proof Insulation Jacket 3 LCD Display 4 Function Keypad 5 Two way Voltage Input Terminals 6 Current Input Terminal I2 7 Current...

Страница 11: ... Save Under measuring status press HOLD button to keep displayed data indicated by HD icon and repress to cancel the operation The meter will automatically save and number current data when holding data indicated by group serial number such as S 001 Maximum storage is 1500 sets and achieved when FULL icon displays 4 Data Access and Exit Press MENU to access existing data during measurement indicat...

Страница 12: ...perate and should strictly observe safety rules Danger To avoid any damage to the meter or personal injury in case of electric shock do not measure circuit voltage above 600V Danger Do not measure current above 20A otherwise it may damage the meter Connect wires as specified in the manual and avoid wrong inserts between I1 and I2 Disconnect test leads with conductors before unplugging out of the m...

Страница 13: ...wer factor inductive and capacitive circuits Wire connection shows as below Single Phase Measurement Connect measured voltage lines L and N to terminals red U1 and black COM then get current clamp I1 enclose L line It is able to measure single phase voltage current phase frequency power factor ect See Figure below You can also use red U2 COM and I2 for measurement ...

Страница 14: ... ect Refer to the table and figure for right connection it is internally short circuit for 2 COM terminals and so any COM can be selected for connection with N line Three Phase Four wire circuits The Meter Three Phase Four Wire circuits The Meter Step 1 Step 2 Yellow UA Green UB Black N Red U1 Red U2 Black COM Green UB Red UC Black N Red U1 Red U2 Black COM ...

Страница 15: ...ps I1 and I2 enclose measured lines IA and IC It is able to measure three phase three wire voltage current phase angle and sequence frequency power and power factor ect Refer to Figure below for right connection It is internally short circuit for 2 COM terminals on the meter so any COM terminal can be selected for connection with N neutral line Measuring Tank Measuring Tank ...

Страница 16: ...uctive it is capacitive load with scope from 270 360 it is positive phase sequence and has the same polarity with phase angles all close to120 otherwise positive phase sequence and reverse polarity are obtained with phase angle close to120 and 300 it may caused by wrong current clamping or wiring connection other conditions will be identified as reverse phase sequence absence of phase not consider...

Страница 17: ...h power supply below 7 2V please change batteries timely 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 Replace old batteries with new ones and ensure right polarity is selected 5 Close the battery cover and tighten the bolt 6 Press ON button to check if the battery is successfully replaced if not repeat o...

Страница 18: ...ft cloth dampened with lubricant eg WD 40 lubricant not rough cloth or the corrosive is expected to use for the clearing Please clean again just before use 3 The meter can be used to measure secondary and low voltage loops however not suggested to measure current in high voltage circuits in case of electric shock 4 Three Phase Four Wire phase angle under three phase load balance Ua Ub 120 Ia Ib 12...

Страница 19: ...t is to increment by 180 based on reference values above Notes VIII Product Contents The Meter Carrying Case Current Clamps System Software CD RS232 Communication Line Test Leads Battery User Manual Warranty Card Certificate 1 1 2 1 1 1 8 meters 4PCS red 2 black 2 6 PCS Alkaline Dry Battery 1 5V AA 1 set Three Phase Four Wire Vector Diagram Three Phase Three Wire Vector Diagram ...

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