Unit UT10A Manual de usuario
Table of Contents (1)
Table of Contents
Title Page
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
Functional Buttons
Measurement Operation
A. DC Voltage Measurement
B. AC Voltage Measurement
C. Measuring Resistance
D. Frequency and Duty Cycle Measurement
E. Measuring Diodes & Continuity
F. Capacitance Measurement
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1
Model UT10A: OPERATING MANUAL
Table of Contents (2)
Title Page
Sleep Mode
General Specifications
Accuracy Specifications
A. DC Voltage
B. AC Voltage
C. Resistance Test
D. Frequency
E. Duty Cycle
F. Diodes and Continuity Test
G. Capacitance
Maintenance
A. General Service
B. Replacing the Battery
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36
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Model UT10A: OPERATING MANUAL
Overview
Overview
Warning
To avoid electric shock or personal injury, read the “Safety Information” and
“Rules for Safety Operation” carefully before using the Meter.
Pocked-Sized Digital Multimeter Model UT10A (hereafter referred to as “the Meter”)
is a 3 3/4 digits with steady operations, fashionable structure, low power consumption
and highly reliable hand-held measuring instrument. The Meter uses large scale of
integrated circuit with double integrated A/D converter as its core. The Meter not
only can measure AC/DC Voltage, AC/DC Current, Resistance, Capacitance,
Frequency, Diodes and Continuity, but also has Relative Mode, Data Hold, Full Icon
Display, Duty Cycle and Sleep Mode features.
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Model UT10A: OPERATING MANUAL
Unpacking Inspection
Unpacking Inspection
Open the package case and take out the Meter. Check the following items carefully
to see any missing or damaged part:
Item
1
2
3
4
Description
English Operating Manual
Built-In Test Lead
Vinyl Holder
3V Button Battery (CR2032)
Qty
1 piece
1 pair
1 piece
1 piece
In the event you find any missing or damage, please contact your dealer immediately.
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Model UT10A: OPERATING MANUAL
Safety Information
Safety Information
This Meter complies with the standards IEC61010: in pollution degree 2, overvoltage
category (CAT. II 300V) and double insulation.
CAT. II: Local level, appliance, PORTABLE EQUIPMENT etc., with smaller transient voltage
overvoltages than CAT. III
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 9.
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Model UT10A: OPERATING MANUAL
Rules For Safe Operation (1)
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:
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Model UT10A: OPERATING MANUAL
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. Check the
test leads for continuity.
Do not apply more than the rated voltage, as marked on the Meter, between
the terminals or between any terminal and grounding.
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.
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Rules For Safe Operation (2)
7
Model UT10A: OPERATING MANUAL
When the Meter working at an effective voltage over 60V in DC or 30V rms
in AC, special care should be taken for there is danger of electric shock.
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.
When using the test leads, keep your fingers behind the finger guards.
Disconnect circuit power and discharge all high-voltage capacitors before
testing resistance, continuity, diodes or capacitance.
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.
Remove the connection between the testing leads and the circuit being
tested, and turn the Meter power off before opening the Meter case.
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Rules For Safe Operation (3)
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.
The Meter is suitable for indoor use.
Turn the Meter power 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 UT10A: OPERATING MANUAL
International Electrical Symbols
International Electrical Symbols
Deficiency of Built-In Battery
AC (Alternating Current)
Capacitance
Double Insulated
Warning. Refer to the Operating Manual
Conforms to Standards of European Union
Grounding
DC (Direct Current)
Diode
Continuity Test
Fuse
9
Model UT10A: OPERATING MANUAL
The Meter Structure
The Meter Structure (see figure 1)
1. LCD Display
2. SELECT Button
3. RELATIVE Mode Button
4. DATA HOLD Button
5. Hz/DUTY Button
6. Rotary Switch
7. Black Test Lead
8. Red Test Lead ( figure 1)
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2
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8
7
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Model UT10A: OPERATING MANUAL
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