Unit UT602 Manuale utente
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Model UT602/603: OPERATING MANUAL
Table of Contents
Title Page
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
Functional Buttons
Display Symbols
Measurement Operation
A. Measuring Resistance
B. Diode and Continuity Test
C. Capacitance Measurement
D. Inductance Measurement
E. Transistor hFE Measurement
General Specifications
Accuracy Specifications
A. Resistance Test
B. Continuity & Diodes
C. Capacitance Test
D. Inductance Test
E. Transistor
Maintenance
A. General Service
B. Replacing the Battery
C. Replacing the Fuse
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Model UT602/603: OPERATING MANUAL
To avoid electric shock or personal injury, read the
“Safety Information” and “Rules for Safety Operation”
carefully before using the Meter.
Warning
3
Model UT602/603: OPERATING MANUAL
Overview
This Operating Manual covers information on safety and
cautions. Please read the relevant information carefully
and observe all the Warnings and Notes strictly.
Digital Inductance Capacitance Meter Model UT602/UT603
(hereafter referred to as “the Meter”) is a 3 1/2 digits with
steady operations, fashionable design and highly reliable
hand-held measuring instrument.
The UT602 can measure inductance, while UT603 can
measure capacitance and inductance. They both can
measure resistance, transistor, diode and continuity buzzer
UT602 has an extra Data Hold feature.
4
Model UT602/603: OPERATING MANUAL
Unpacking Inspection
Open the package case and take out the Meter. Check
the following items carefully to see any missing or damaged
part:
Item Description Qty
1
2
3
English Operating Manual
Test Clip
9V Alkaline Battery (NEDA1604, 6F22
or 006P) (installed)
1 piece
1 pair
1 piece
In the event you find any missing or damage, please contact
your dealer immediately.
Safety Information
This Meter complies with the standards EMC EN61326.
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 on.
International electrical symbols used on the Meter and in
this Operating Manual are explained on page 7.
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:
Warning
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 clips for damaged insulation or
exposed metal. Check the test clips for continuity.
Replace damaged test clips with identical model
number or electrical specifications before using the
Meter.
Do not apply voltage to the Meter.
The rotary switch should be placed in the right
position and no any changeover of range shall be
made during measurement is conducted to prevent
damage of the Meter.
Do not apply more than 30Vrms between the
terminals and the grounding to avoid electric shock
and damage to the Meter.
Use the proper terminals, function, and range 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.
Disconnect circuit power and discharge all high-
voltage capacitors before testing resistance,
continuity, capacitance or diodes.
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.
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Rules For Safe Operation
5
Model UT602/603: OPERATING MANUAL
Remove test clips from the Meter and turn the Meter
power off before opening the Meter case.
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 power off when it is not in use and
take out the battery when not using for a long time.
Please 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 UT602/603: OPERATING MANUAL
Lx
7
Model UT602/603: OPERATING MANUAL
International Electrical Symbols
Grounding
Double Insulated
Deficiency of Built-In Battery.
Continuity Test.
Diode.
Capacitance Test
Inductance Test
Fuse.
Warning. Refer to the Operating Manual.
Conforms to Standards of European Union.
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Model UT602/603: OPERATING MANUAL
The Meter Structure (see figure 1)
1. LCD Display
2. Data Hold (UT602) or L-C switch (UT603)
3. Transistor Jack
4. Resistance, Diode and Continuity Input Terminal
5. Capacitance Input Terminal (UT602) or Capacitance
and Inductance Input Terminal (UT603)
6. Rotary Switch
7. Power.
(figure 1)
Power
Hold
(UT602
only)
L-C
(UT603
only)
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Model UT602/603: OPERATING MANUAL
Functional Buttons
Below table indicated for information about the functional
button operations.
Button Description
Press the Power down to turn the Meter on.
Press the Power again to turn the Meter power off.
Press HOLD once to enter the hold feature, the LCD
display .
Press HOLD again to exit hold feature, the
disappear.
Press L-C down to enter the Capacitance
measurement mode.
Press L-C up to enter the Inductance measurement
mode.
β
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Model UT602/603: OPERATING MANUAL
Display Symbols (see figure 2)
(figure 2)
Data hold is active.
The battery is low.
Warning: To avoid false readings,
which could lead to possible electric shock
or personal injury, replace the battery as
soon as the battery indicator appears.
Transistor Test
Test of diode.
The continuity buzzer is on.
Farad. The unit of capacitance
pF: Picofarad. 1 x 10-12 or 0.000000000001
farads.
nF: Nanofarad. 1 x 10-9 or 0.000000001
farads.
µF: Microfarad.1 x 10-6 or 0.000001 farads.
mF: Millifarad. 1 x 10-3 or 0.001 farads.
: Ohm. The unit of resistance
k: kilohm. 1 x 103or 1000 ohms
M: Megaohm. 1 x 106or 1,000,000 ohms
H: Henry. The unit of Inductance.
mH: Millihenry. 1 x 10-3 or 0.001 henry.
No. Symbol Meaning
1
2
3
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5
6
7
8
pF
nF
µF
mF
k
M
H
mH
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