Unit UT2658 Manual de usuario

P/N:110401103630X

DATE:2018.06.26

REV.2

Contents

TITLE PAGE

Warnings 3

I. Introduction 6

II. Electrical Symbols 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

2 3

TITLE PAGE

3. Data Hold, Cancel and Save 19

4. Data Access and Exit 19

5. Data Delete 19

6. Data Transmission to PC 20

7. Measurement 20

VI. Battery Replacement 30

VII. Other 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

4 5

6 7

I. Introduction

UT265 intelligent double clamp phase digital voltammeter (also known as

Automatic dual-clamp digital phase voltampere meter) comes out from

tremendous efforts of our company and is a totally automatic, multi-functional,

digital and intelligent tool especially designed for on-site measurement. It is

an update version of machinery knob-type voltampere meter, easier to

operate and less likely to make errors and therefore stands out with following

advantages: high accuracy, high stability, low power consumption and

convenient handling. With the loop kept connected, the meter can measure

two-way AC voltage, current, phase angles between voltages, currents 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 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 dynamic display together with vector diagram indication, thus

presenting users luxurious and elegant exterior structure. It is equipped with

RS232 and available for data storage of 1500 sets which can be transferred

into PC through system software for further online real-time monitoring,

history lookup, dynamic display, data readout, save, report and printing, ect.

It is also called automatic dual-clamp digital phase voltampere meter, multi-

purpose dual-clamp digital phase voltampere meter, automatic phase

voltampere meter, or digital phase voltampere meter. The meter integrates

functions from general machinery dual-clamp digital phase voltampere meter

and can be applied in electric power, petrochemical, metallurgy, railway,

factories and mining, R&D institutes, metrological department. It is particularly

needed in electric charging and relay protection system, electric power

calculation, check and 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 technical department.

II. Electrical 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

Alternating Current(AC)

Direct Current(DC)

Dual Insulation

III. Technical Specifications

1. Reference and Operating Conditions

Factors Reference

Conditions

Operating

Conditions Notes

Ambient Temperature

Ambient Humidity

Waveform

Frequency

Working Voltage

Sine wave Sine wave

23 1 -10 40

=0.01

80%

45HZ 65HZ

9V 1.5V

40% 60%

50HZ 1HZ

9V 0.1V

Conductor Location

Current Amplitude when

measuring frequency

phase sequence

Voltage Amplitude when

measuring frequency

phase sequence

Current Amplitude when

measuring power factor

Voltage Amplitude when

measuring power factor

External

Electromagnetic Field

200mA 3mA 10mA 20A ----

100V 5V 10V 600V ----

200mA 3mA 20mA 20A ----

100V 5V 10V 600V ----

Avoided

Placed on geometric center of the jaw

2. General 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 kilowatt-hour meter and good condition of wiring

equipments, ect

Functions

Power DC9V Alkaline dry battery(1.5V AA 6)

Range

(Fully Automatic)

Voltage: AC 0.00V 600V

Current: AC 0.0mA 20.0A

10 11

Phase Angle: 0.0 360.0

Frequency: 45.00Hz 65.00Hz

Active Power: 0.0W 12kW

Reactive Power: 0.0VAR 12kVAR

Apparent Power: 0.0VA 12kVA

Power Factor: -1 +1

Jaw Size Sharp current clamp: 7.5mm 13mm

Resolution

Voltage: AC 0.01V

Current: AC 0.1mA

Phase Angle 0.1

Frequency: 0.01Hz

Active Power: 0.1W

Reactive Power: 0.1VAR

Apparent Power: 0.1VA

Power Factor: 0.001

Data 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 About 2 seconds per time

Data Hold

Backlight Available, used on dark sites and at night

Press HOLD button to maintain data , indicated

by HD symbol

12 13

14 15

Auto Power Off Auto power off to reduce power loss 15mins

later after power on

Battery Voltage Low battery displays with voltage lower than

7.2V, please change batteries

Weight

The meter 550g(battery included)

Current Clamp 170g 2

Test leads 250g

Testing Lead Length 1.5m

Clamp Wire 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

IEC61010-1 CAT 600V IEC61010-031

IEC61326 Pollution Class2

Safety Standards

Followed

16 17

3 General Differences and Performance Indexes under Reference

Conditions

General Difference

Resolution

Items Range

Voltage

Current

Phase Angle

Active Power P

Reactive Power Q

Apparent Power S

Power Factor PF

Frequency F

AC 0.00V 600V

AC 0.0mA 20.0A

0.0 360

0.0W 12kW

0.0VAR 12kVAR

0.0VA 12kVA

-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)

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 Input Terminal I1

8. Current Clamp Output Plug

9. Sharp Current Jaw

10. Voltage Input Testing Leads

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