Unit UT2658 Manuel utilisateur
P/N:110401103630X
DATE:2018.06.26
REV.2
1
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,
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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
8
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)
(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 Input Terminal I1
8. Current Clamp Output Plug
9. Sharp Current Jaw
10. Voltage Input Testing Leads
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