Unit UT267B Manual de usuario
P/N:110401103632
1
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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