UNI-T UT60A is a high-performance digital multimeter with a wide range of features designed to meet the needs of professional electricians, engineers, and hobbyists. It offers precise measurements of AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, and continuity with a basic accuracy of 0.05%. The autoranging and manual ranging capabilities allow for quick and efficient measurements. Safety features like overload protection and double insulation ensure user safety while working with live circuits.
UNI-T UT60A is a high-performance digital multimeter with a wide range of features designed to meet the needs of professional electricians, engineers, and hobbyists. It offers precise measurements of AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, and continuity with a basic accuracy of 0.05%. The autoranging and manual ranging capabilities allow for quick and efficient measurements. Safety features like overload protection and double insulation ensure user safety while working with live circuits.
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Model UT60A: OPERATING MANUAL
1
E.
Frequency & Duty Cycle
Table of Contents
Title
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
Rotary Switch
Functional Buttons
Display Symbols
Measurement Ranges
A. Selecting a Measurement Range
B. Manual Ranging and Autoranging
Measurement Operation
A. AC & DC Voltage Measurement
B. Measuring Continuity, Diodes &
Resistance
C. Capacitance Measurement
D. Frequency & Duty Cycle Measurement
E. DC or AC Current Measurement
The POWER Button
The BLUE Button
The Use of Relative Value Mode
Operation of Hold Mode
General Specifications
Accuracy Specifications
A. AC Voltage
B. DC Voltage
C. Continuity, Diodes & Resistance Test
D. Capacitance
G.
AC Current
F.
DC Current
Maintenance
A. General Service
B. Testing the Fuses
C. Replacing the Battery
D. Replacing the Fuses
RS232C Serial Port
A. RS232C Port Cable
B. Setting of RS232C Serial Ports
C. System Requirements for Installing
the UT60A Interface Program
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Model UT60A: OPERATING MANUAL
2
Overview
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
"Safety Information" and "Rules for Safe Operation"
carefully before using the Meter.
Digital Multimeter Model UT60A (hereafter referred to
as "the Meter") has autorange and manual range options
with maximum reading 3999. The enclosure structure
design adopted advanced "co-injection" technique in
order to provide sufficient insulation.
In addition to the conventional measuring functions, it
is equipped with a RS232C standard serial port for easy
connection with computer to realize macro recording and
monitoring and capture of transient dynamic data,
displaying change of waveform during the measurement,
providing data and evidence to engineering technicians
for scientific research. This is also a highly applied digital
multimeter of good performance with full overload
protection.
Model UT60A: OPERATING MANUAL
3
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
5
Description
Operating Manual
Test Lead
9V Battery (NEDA1604, 6F22 or 006P)
(installed)
RS232C Interface Cable
CD-ROM (Installation Guide & Computer
Interface Software)
Qty
1 piece
1 pair
1 piece
1 piece
1 piece
In the event you find any missing or damage, please
contact your dealer immediately.
Model UT60A: OPERATING MANUAL
4
Safety Information
This Meter complies with the standards IEC61010: in
pollution degree 2, overvoltage category (CAT. III 1000V,
CAT. IV 600V) 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 etc.
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 8.
Model UT60A: OPERATING MANUAL
5
Rules For Safe Operation (1)
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:
l 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.
l Inspect the test leads for damaged insulation or
exposed metal. Check the test leads for
continuity. Replace damaged test leads with
identical model number or electrical
specifications before using the Meter.
l Do not apply more than the rated voltage, as
marked on the Meter, between the terminals or
between any terminal and grounding.
l 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.
l Never working at an effective voltage over 60V
in DC or 30V rms in AC for there is danger of
electric shock.
l Use the proper terminals, function, and range
for your measurements.
l 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.
l When using the test leads, keep your fingers
behind the finger guards.
l Disconnect circuit power and discharge all high-
voltage capacitors before testing continuity,
diodes, resistance, capacitance or current.
Model UT60A: OPERATING MANUAL
6
Rules For Safe Operation (2)
l Before measuring current, check the Meter's
fuses and turn off power to the circuit before
connecting the Meter to the circuit.
l 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.
l Remove test leads and RS232C interface cable
from the Meter and turn the Meter power off
before opening the Meter case.
l When servicing the Meter, use only the same
model number or identical electrical
specifications replacement parts.
l The internal circuit of the Meter shall not be
altered at will to avoid damage of the Meter and
any accident.
l 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.
l The Meter is suitable for indoor use.
l Under the environment with high (+/-4kV)
electrostatic discharge, the Meter may not be
operated as normal condition. The user may
require resetting the Meter.
l Turn the Meter off when it is not in use and take
out the battery when not using for a long time.
l 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.
Model UT60A: OPERATING MANUAL
7
International Electrical Symbols
AC (Alternating Current).
DC (Direct Current).
AC or DC.
Grounding.
Double Insulated.
Deficiency of Built-In Battery.
Continuity Test.
Diode.
Capacitance Test.
Fuse.
Warning. Refer to the Operating Manual.
Conforms to Standards of European Union.
Model UT60A: OPERATING MANUAL
8
The Meter Structure
Model UT60A: OPERATING MANUAL
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Model UT60A: OPERATING MANUAL
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Model UT60A: OPERATING MANUAL
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Model UT60A: OPERATING MANUAL
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Display Symbols (1)
Model UT60A: OPERATING MANUAL
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1
kM
nFHz
VA
AC
15
2 3 4 5 6 7
8
9
10 14~
16
Display Symbols (2)
Model UT60A: OPERATING MANUAL
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Model UT60A: OPERATING MANUAL
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Measurement Ranges (1)
A measurement range determines the highest value the
Meter can measure. Most Meter functions have more
than one range. See "Accuracy Specifications."
A. Selecting a Measurement Range
Being in the right measurement range is important:
l If the range is too low for the input, the Meter displays
to indicate an overload.
l If the range is too high, the Meter will not display
the most accurate measurement.
B. Manual Ranging and Autoranging
The Meter has both manual range and autorange options:
l In the autorange mode, the Meter selects the best
range for the input detected.
This allows you to switch test points without having
to reset the range.
l In the manual range mode, you select the range.
This allows you to override autorange and lock the
Meter in a specific range.
The Meter defaults to the autorange mode in
measurement functions that have more than one range.
When the Meter is in the autorange mode,
is
displayed.
Model UT60A: OPERATING MANUAL
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Measurement Ranges (2)
To enter and exit the manual range mode:
1. Press RANGE.
The Meter enters the manual range mode and
turns off.
Each presses of RANGE increments the range.
When the highest range is reached, the Meter wraps
to the lowest range.
2. To exit the manual range mode, press and hold
RANGE for over 2 seconds.
The Meter returns to the autorange mode and
is displayed.
Note
l If you manually change the measurement range
after entering the REL or Hold modes, the Meter
exits these modes.
l Under frequency/duty cycle and capacitance
measurement, only autorange mode is available.
Model UT60A: OPERATING MANUAL
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Measurement Operation (1)
A. AC & DC Voltage Measurement
Warning
To avoid harms to you or damages to the Meter from
electric shock, please do not attempt to measure
voltages higher than 1000V / 750V rms although
readings may be obtained.
AC Voltage Measurement (see figure 3)
The AC voltage ranges are: 4.000V, 40.00V, 400.0V and
750.0V. To measure AC Voltage, connect the Meter as
follows:
1. Insert the red test lead into the HzV terminal and
the black test lead into the COM terminal.
2. Set the rotary switch to Hz
V and press BLUE
button to select AC measurement mode.
3. Connect the test leads across with the object being
measured.
The measured value shows on the display, which
is effective value of sine wave (mean value
response).
(figure 3)
Red Black
Model UT60A: OPERATING MANUAL
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Measurement Operation (2)
Note
l In each range, the Meter has an input impedance
of 10M . This loading effect can cause measurement
errors in high impedance circuits. If the circuit
impedance is less than or equal to 10k , the error
is negligible (0.1% or less).
l When AC voltage measurement has been
completed, disconnect the connection between the
testing leads and the circuit under test.
DC Voltage Measurement (see figure 4)
Select
(figure
4)
The DC Voltage ranges are: 400.0mV, 4.000V, 40.00V,
400.0V and 1000V. To measure DC voltage, connect
the Meter as follows:
1. Insert the red test lead into the HzV terminal and
the black test lead into the COM terminal.
2. Set the rotary switch to Hz
V; DC measurement
is default or press BLUE button to select DC
measurement mode.
3. Connect the test leads across with the object being
measured.
The measured value shows on the display.
Hz
V
blackred
Model UT60A: OPERATING MANUAL
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UNI-T UT60A is a high-performance digital multimeter with a wide range of features designed to meet the needs of professional electricians, engineers, and hobbyists. It offers precise measurements of AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, and continuity with a basic accuracy of 0.05%. The autoranging and manual ranging capabilities allow for quick and efficient measurements. Safety features like overload protection and double insulation ensure user safety while working with live circuits.
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