Unit UT233 Bedienungsanleitung
Model UT233
OPERATING MANUAL
Model UT233: OPERATING MANUAL
1
TABLE OF CONTENTS
TITLE PAGE
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
A. The Meter Front Structure
B. The Meter Back and Bottom Structure
Functional Buttons
Display Symbols
Measurement Operation
A. Active power + AC Voltage + AC Current Measurement
B. Apparent Power + AC Voltage + AC Current Measurement
C. Reactive Power + AC Voltage + AC Current Measurement
D. Power Factor cos + AC Voltage + AC Current Measurement
E. Phase Angle + AC Voltage +AC Current Measurement
F. Frequency Hz + AC Voltage + AC Current Measurement
G. Active Energy + Active Power + Time Measurement
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Model UT233: OPERATING MANUAL
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TABLE OF CONTENTS
TITLE PAGE
H. Phase Sequence
Specifications
A. General Specifications
B. Environmental Requirements
Accuracy Specifications
A. AC Voltage (True RMS)
B. Frequency
C. AC Current (True RMS)
D. Active Power
E. Apparent Power
F. Reactive Power
G. Power Factor
H. Phase Angle
I. Active Energy
Maintenance
A. General Service
B. Replacing the Battery
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Model UT233: OPERATING MANUAL
This Operating Manual covers information on safety
and cautions. Please read the relevant information
carefully and observe all the Warnings and Notes
strictly.
Warning
To avoid electric shock or personal injury, read the
ìSafety Informationî and ìRules for Safe Operationî
carefully before using the Meter.
Model UT233 is a digital power clamp meter (hereafter
referred to as ìthe Meterî) is a handheld intelligent
power meter which has both the features of digital
current meter and also power measurement meter.
The Meter can measure Voltage, Current,Active Power,
Apparent Power, Reactive Power, Power Factor, Phase
Angle, Frequency,Active Energy and Phase Sequence.
Open the package case and take out the Meter. Check
the following items carefully to see any missing or
damaged part:
Item
1
2
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6
7
Description
English Operating Manual
Test Lead (red, black, blue
and yellow colour
Alligator Clip (red, black, blue
and yellow colour)
USB Interface Cable
Software
Tool Box
1.5V Battery (LR6)
Qty
1 piece
1 piece each
colour
1 piece each
colour
1piece
1 piece
1 piece
4 pieces
In the event you find any missing or damage, please
contact your dealer immediately.
Overview Unpacking Inspection
4
Model UT233: OPERATING MANUAL
Safety Information
This Meter complies with the standards IEC61010: in
pollution degree 2, overvoltage category (CAT. III 600V,
CAT IV 300V) and double insulation.
CAT. III: Distribution level, fixed installation, with smaller
transient overvoltages than CAT. IV.
CAT IV: Primary supply level, overhead lines, cable
systems.
Use the Meter only as specified in this operating manual,
otherwise the protection provided by the Meter may be
impaired.
In this manual, a Warning identifies conditions and
actions that pose hazards to the user, or may damage
the Meter or the equipment under test.
A Note identifies the information that user should pay
attention to.
International electrical symbols used on the Meter and
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in this Operating Manual are explained on page 6.
Rules For Safe Operation
Warning
To avoid possible electric shock or personal injury,
and to avoid possible damage to the Meter or to the
equipment under test, adhere to the following rules:
Before using the Meter inspect the case. Do
not use the Meter if it is damaged or the case
(or part of the case) is removed. Look for cracks
or missing plastic. Pay attention to the insulation
around the connectors.
Inspect the test leads for damaged insulation
or exposed metal. Replace damaged test leads
with identical model number or electrical
specifications before using the Meter.
Do not apply more that the rated voltage, as
marked on the Meter.
When measurement has been completed,
disconnect the connection between the test
leads and the circuit under test, remove the
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Model UT233: OPERATING MANUAL
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testing leads away from the input terminals of
the Meter and turn the Meter power off.
Do not carry out the measurement when the
Meterís back case and / or battery door is opened
to avoid electric shock.
When the Meter working at an effective voltage
over 30V in AC, special care should be taken.
Use the proper terminals and function for your
measurements.
Do not use or store the Meter in an environment
of high temperature, humidity, explosive,
inflammable and strong magnetic field. The
performance of the Meter may deteriorate after
dampened.
Do not use the Meter if the surface of it is wet
or the userís hands are wet.
When using the test leads, keep your fingers
behind the finger guards.
Replace the battery as soon as the battery
indicator appears. With a low battery, the
Meter might produce false readings that can
lead to electric shock and personal injury.
When opening the battery door, must make sure
the Meter is power off.
When servicing the Meter, use only the same
model number or identical electrical
specifications replacement parts.
The internal circuit of the Meter shall not be
altered at will to avoid damage of the Meter and
any accident.
Soft cloth and mild detergent should be used
to clean the surface of the Meter when servicing.
No abrasive and solvent should be used to
prevent the surface of the Meter from corrosion,
damage and accident.
Turn the Meter off when it is not in use and take
out the battery when not using for a long time.
Constantly check the battery as it may leak
when it has been using for some time, replace
the battery as soon as leaking appears. A
leaking battery will damage the Meter.
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Model UT232: OPERATING MANUAL
International Electrical Symbols
AC (Alternating Current)
Grounding
Double Insulated
Warning. Refer to the Operating Manual
Deficiency of Built-In Battery
Danger of High Voltage
Conforms to Standards of European Union
7
Model UT233: OPERATING MANUAL
Figure 1
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Transformer Jaw: designed to pick up the AC
and DC current flowing through the conductor.
It could transfer current to voltage. The tested
conductor must vertically go through the Jaw
center.
Hand Guards: to protect userís hand from
touching the dangerous area.
Power button
Max/ button
MENU button
LOAD button (recall data)
SELECT button (press to select alternate
function and sum of Watts measurement)
MIN/ button
V3 Input Terminal (Third phase measurement)
V2 Input Terminal
(Second phase measurement)
V1 Input Terminal (First phase measurement)
COM Input Terminal
CLEAR button (maximum and minimum)
The Meter Structure
A. The Meter Front Structure (see figure 1)
Black Red Blue Yellow
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Model UT233: OPERATING MANUAL
1 Infrared slot
2 USB Interface Cable
Figure 2
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20
button (Sum)
SAVE button (data store button)
USB button
LIGHT button (auto display backlight button)
HOLD button
LCD Display
Testing Leads (Red, Black, Blue and Yellow)
B. The Meter Back and Bottom Structure (see
figure2)
9
Model UT233: OPERATING MANUAL
Functional Buttons
Below table indicated for information about the functional
button operations.
Button
POWER
HOLD
LIGHT
MENU
Button
MENU
Operation Performed
Press and hold POWER for 1 second
to turn the Meter on.
Press POWER again to turn the Meter
off.
Press HOLD to enter the Hold mode
in any mode,appears and the Meter
beeps.
Press HOLD again to exit the Hold
mode to return to measurement mode,
the Meter beeps and disappears.
Press LIGHT to turn the display backlight
on.
Thedisplay backlightwillbe offautomatically
after 30 seconds.
Press MENU to display the following
functions in sequence:
Active power (main display) +AC Voltage
(left secondary display) + AC Current
(right secondary display)
Operation Performed
Apparent Power (main display) + AC
Voltage (left secondary display) + AC
Current (right secondary display)
Reactive Power (main display) + AC
Voltage (left secondary display) + AC
Current (right secondary display)
Power Factor (main display) + AC
Voltage (left secondary display) + AC
Current (right secondary display)
Phase Angle (main display) + AC
Voltage (left secondary display) + AC
Current (right secondary display).
Frequency (main display) + AC
Voltage (left secondary display) +AC
Current (right secondary display).
Active Energy (main display) + Active
Power (left secondary display) + Time
(right secondary display)
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