Unit UT267B Manual de usuario

P/N:110401103632

TITLE PAGE

Warnings 3

I. Overview 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. Structure of Meter 17

V. Operating Instructions 18

1. Power On/Off 18

2. Backlight Control 18

Contents

2 3

TITLE PAGE

3. Data Hold and Save 18

4. Data Access and Exit 19

5. Data Delete 19

6. Display Mode Switchover 20

7. Measurement 22

8. Data Transmission to Pc 29

VI. Battery Replacement 29

VII. Other Items and Notes 32

VIII. Product Checklist 35

Thank you for purchasing our product UT267B intelligent three-phase

digital phase volt-ampere meter (also known as three-phase digital volt

-ampere meter). In order to use the product properly, please follow

instructions below:

Please read user manual carefully

Strictly follow safety rules and notes mentioned in this manual

Warnings

4 5

6 7

I. Overview

UT267 intelligent three-phase digital phase volt-ampere meter (there-

phase digital phase volt-ampere meter) comes out from hard efforts of our

developers and is a fully automatic, multi-purpose, digital and intelligent meter

specially designed for on-site measurement and with following features: high

accuracy, high stability, low power consumption and easy operation. Without

cutting off measured circuits, it can measure three-phase AC voltage and

current, phase angles between voltages, currents or both, frequency, phase

sequence, active, reactive and apparent power, power factor, sum of current

vector; it is able to identify wiring groups of transformers, inductive and

capacitive circuits as well as secondary circuits and bus differential protection

system measurement; it also can read out differential protection phase

between CT units, check and ensure correct wiring of kilowatt-hour meter,

good conditions of wiring equipments, ect, which all together turn this kind of

The meter, designed with latest materials for shell pattern 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 500 sets which transferred into PC

through system software for further online real-time monitoring, history lookup,

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

meter a safe, accurate and convenient new electric instrument offered for

electric inspectors.

This kind of meter is also known as three-phase digital phase volt-ampere

meter, multi-purpose three-phase digital phase volt-ampere meter, automatic

phase volt-ampere meter, tri-clamp digital phase volt-ampere meter, phase

volt-ampere meter, three-phase electrical parameter tester. It can fully enjoy

functions from intelligent dual-clamp phase volt-ampere meter and general

machinery dual-clamp digital phase volt-ampere meter, which is 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! The operator must strictly observe safety rules to

avoid electric shock, personal injury or accidents

Danger! The operator must follow safety rules to avoid electric shock,

personal injury or accidents.

Warning! Strictly adhere to safety rules to avoid any personal injury

or equipment damage.

Alternate Current(AC)

direct Current(DC)

Dual Insulation

23 1 -10 40

40% 60% 80%

=0.01

50HZ 1HZ 45HZ 65HZ

9V 0.1V 9V 1.5V

Impact factors Reference

conditions

Operating

Conditions Notes

Ambient Temperature

Ambient Humidity

Waveform Sine wave Sine wave

Frequency

Working Voltage

III. Technical Specifications

1. Reference and Operating Conditions

8 9

10 11

Placed on geometric center of the jaw

200mA 3mA 10mA 20A

100V 10V 10V 600V

200mA 3mA 20mA 20A

100V 10V 10V 600V

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

Exterior Electromagnetic

Field Avoided

Measured Test lead

Location

2. General Specifications

Functions

To measure three-phase AC voltage, current, phase

between two voltages, currents or both, frequency, phase

sequence, active and reactive power, apparent power,

power factor, sum of current vector; to differentiate wiring

groups of transformer, inductive and capacitive circuits; to

test secondary circuits and bus differential protection

system, to read out differential protection relation between

CT units; to check and ensure correct wiring and good

conditions of wiring equipments.

Power DC9V Alkaline Dry Battery (1.5V AA 6)

Voltage: AC 0.00V 600V

Current: AC 0.0mA 20.0A

Phase Angle 0.0 360.0

Range

(Fully Automatic)

Jaw Size Sharp current clamp: 7.5mm 13mm

Sum of Current Vector:0mA 60.0A

Frequency: 45.00Hz 65.00Hz

Reactive Power: 0.0VAR 12kVAR

Apparent Power: 0.0VA 12kVA

Active Power: 0.0W 12kW

Power Factor: -1 +1

Resolution

Voltage: AC 0.01V

Current: AC 0.1mA

Phase 0.1

Frequency:0.01Hz

Active Power: 0.1W

Reactive Power: 0.1VAR

Apparent Power: 0.1VA

Phase

Sequence

Normal: U1,U2,U3 or I1,I2,I3 cursor flashes from left to right

Reverse: U1,U2,U3 or I1,I2,I3 Cursor flashes from right to left

Power Factor: 0.001

Sum of Current Vector: 1mA

Data Storage 500 sets

Rs232

Interface

With RS232,all data transferred into PC for further data

management and analysis

Connection line RS232 connection line,1.8 meters long

Power

Consumption

Max 80mA consumed with backlight on, 10 hours for

battery life

50mA with backlight off, 16 hours for battery life

Display Mode LCD display, 240dots 160dots

Meter Size Long Wide Thick 196mm 92mm 54mm

Backlight Available, used in dark site and at night

12 13

14 15

Measuring

Speed Rate About 2 seconds per time

Data Hold Press HOLD button to maintain data , indicated by HD

symbol

*Auto Power Off Auto power off to reduce power loss 15mins later after

power on

Voltage

Measurement

Low battery icon displays when voltage under 7.2 V , to

remind changing battery.

Quality

The meter 550g (battery included)

Sharp Current Clamp 170g 3

Test Wire 250g

Testing Wire

Length 1.5m

Clamp Wire

Length 2m 5mm

Working Temperature

and Humidity -10 40 80%Rh

Storage Temperature

and Humidity -10 60 70%Rh

Input Impedance Input impedance for measuring voltage 2M

Withstand Voltage

meter circuits and shell, able to withstand AC

voltage1000V/50Hz for 1mins when input Sine

wave

Insulation For circuits and protected shell 100M

Structure Double Insulation, coupled with vibration-proof

insulation jacket

Applicable Safety Rules IEC61010-1 CAT 600V, IEC61010-031,

IEC61326, Pollution Class2

* The meter flashes before automatically power off and continues to work

with ON button pressed down.(15 minutes as a working period)

16 17

AC 0.00V 600V 0.01V (1.5%rdg+3dgt)

AC 0.0mA 20.0A 0.1mA (1.5%rdg+3dgt)

0.0 360 0.1 1

0.0W 12kW 0.1W (3%rdg+3dgt)

0.0VAR 12kVAR 0.1VAR (3%rdg+3dgt)

0.0VA 12kVA 0.1VA (3%rdg+3dgt)

45HZ 65HZ 0.01HZ (2%rdg+3dgt)

-1 +1 0.001 0.03

3. General Differences and Performance Indexes under Reference

Conditions.

General Difference

Items Range Resolution

Voltage

Current

Phase Angle

Active Power

Reactive Power

Apparent Power

Frequency

Power Factor

Notes1: Phase angle differences should be less than 3 under the working

conditions, 6 is for phase angle tolerance between 5mA 10mA

IV. Structure of Meter

1. USB-RS232 Interface

2. Vibration-Proof Insulation Jacket

3. LCD Display

4. Functional Button Zone

5. Three-Phase Voltage Input

Terminals

6. Current Input Terminal I3

7. Current Input Terminal I2

8. Current Input Terminal I1

9. Current Clamp Output Plug

10. Sharp Current Jaw

11. Voltage Input Testing Cables

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