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. Frequency & Revolution (RPM)
Measurement
D. DC or AC Current Measurement
Turning on the Display Backlight
The BLUE Button
The RS232C Button
Operation of Hold Mode
Full Icons Display
Sleep Mode
Analogue Bar Graph Display
General Specifications
Table of Contents
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Model UT60D: OPERATING MANUAL
Accuracy Specifications
A. AC Voltage
B. DC Voltage
C. Continuity, Diodes & Resistance Test
D. Frequency
E. Revolution (RPM)
F. DC Current
G. AC 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 UT60D Interface Program
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Model UT60D: OPERATING MANUAL
2
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 UT60D (hereafter referred to
as "the Meter") has autorange and manual range options
with maximum reading 3400. 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 34 segments analogue bar graph and
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.
Overview
Model UT60D: OPERATING MANUAL
3
Open the package case and take out the Meter. Check
the following items carefully to see any missing or
damaged part:
Unpacking Inspection
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 UT60D: OPERATING MANUAL
4
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.
Safety Information
Model UT60D: OPERATING MANUAL
5
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:
lBefore 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.
lInspect 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.
lDo not apply more than the rated voltage, as
marked on the Meter, between the terminals or
between any terminal and grounding.
lThe 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.
lWhen 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.
lUse the proper terminals, function, and range
for your measurements.
lDo 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.
lWhen using the test leads, keep your fingers
behind the finger guards.
Rules For Safe Operation (1)
Model UT60D: OPERATING MANUAL
6
Rules For Safe Operation (2)
lDisconnect circuit power and discharge all high-
voltage capacitors before testing continuity,
diodes, resistance or current.
lBefore measuring current, check the Meter’s
fuses and turn off power to the circuit before
connecting the Meter to the circuit.
lReplace 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.
lRemove test leads and RS232C interface cable
from the Meter and turn the Meter power off
before opening the Meter case.
lWhen servicing the Meter, use only the same
model number or identical electrical
specifications replacement parts.
lThe internal circuit of the Meter shall not be
altered at will to avoid damage of the Meter and
any accident.
lSoft 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.
lThe Meter is suitable for indoor use.
lUnder the environment with high (+/-4kV)
electrostatic discharge, the Meter may not be
operated as normal condition. The user may
require resetting the Meter.
lTurn the Meter power off when it is not in use
and take out the battery when not using for a
long time.
lConstantly 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 UT60D: 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.
Fuse.
Warning. Refer to the Operating Manual.
Conforms to Standards of European Union.
Model UT60D: OPERATING MANUAL
8
The Meter Structure (see figure 1)
(figure 1)
LCD Display
Functional Buttons
Rotary Switch
HzV Input Terminal:
Input for voltage, frequency/rpm, resistance, diode
and continuity measurements.
COM Input Terminal:
Return terminal for all measurements.
AmA Input Terminal:
Input for 0.1 A to 340.0mA current measurements.
10A Input Terminal:
Input for 0.01A to 10.00A current measurements.
1
2
3
4
5
6
7
Model UT60D: OPERATING MANUAL
9
Rotary Switch
Below table indicated for information about the rotary
switch positions.
Rotary Switch
Position
OFF
V
Hz
HzRPM
A
Hz
mA
Hz
Hz
A
Power is turned off
DC voltage measurement range from
340.0mV to 1000V or
AC voltage measurement range from
3.400V to 750.0V.
Continuity test.
Diode test.
Resistance measurement range
from 340.0 to 34.00M .
Frequency measurement range from
3.400KHz to 34.00MHz or RPM
measurement.
AC or DC current measurement
range from 340.0 A to 3400 A.
AC or DC current measurement
range from 34.00mA to 340.0mA.
AC or DC current measurement
10.00A.
Function
Model UT60D: OPERATING MANUAL
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Functional Buttons (1)
Below table indicated for information about the functional
button operations.
(BLUE)
Hz
Display
Backlight
V
Hz
HzRPM
A
Hz
mA
Hz
Hz
A
DC/AC
voltage or
DC/AC
current
Measuring
Function
Button
Press once to turn the Display
Backlight on and it shall shut off
automatically in 10 seconds later.
Switches between AC and DC
voltage; the Meter beeps. DC is
default.
Switches between continuity and
diode and resistance
measurements; the Meter beeps.
Resistance is default.
Switches between Hz unit display
and RPM unit display; the Meter
beeps.
This function is suitable for
RPM Frequency
interchanging measurement.
Switches between AC and DC
current range from 340.0 A to
3400 A; the Meter beeps. DC is
default.
Switches between AC and DC
current range from 34.00mA to
340.0mA; the Meter beeps. DC is
default.
Switches between AC and DC
current 10.00A; the Meter beeps.
DC is default.
1.Press to start the frequency
counter; the Meter beeps.
2.Press again to return to the
previous measurement mode;
the Meter beeps.
Operation Performed
Model UT60D: OPERATING MANUAL
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Press Hz button while turning on
the Meter to disable Sleep Mode
feature.
1.Press RANGE to enter the
manual ranging mode; the Meter
beeps.
Manually selecting a range
causes the Meter to exit the Hold
mode.
2.Press RANGE to step through
the ranges available for the
selected function; the Meter
beeps.
3.Press and hold RANGE for over
1 second to return to autoranging;
the Meter beeps.
Press RANGE button while turning
on the Meter to disable Sleep Mode
feature.
Turn on or off the serial port
interface without changing the
original setting.
Press RS232C button while turning
on the Meter to disable Sleep Mode
feature.
Press HOLD H to enter and exit
the Hold mode in any mode, the
Meter beeps.
lPress and hold HOLD H button
while turning on the Meter to
display full icons.
lPress HOLD H again to return
to normal display mode.
RANGE
RS232C
HOLD H
At OFF
position
Any rotary
switch
position
except at
,
and A
mode.
At OFF
position
Any rotary
switch
position
At OFF
position
Any rotary
switch
position
At OFF
position
Functional Buttons (2)
Model UT60D: OPERATING MANUAL
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Display Symbols (1) (see figure 2)
(figure 2)
OLOL
1
14
15
17
5
3 4 67
2
8 9 , 10
13
16
11 , 12
Number MeaningSymbol
AC
DC
RS232C
Indicator for AC voltage or current.
The displayed value is the mean
value.
Indicator for DC voltage or current.
The Meter is in the auto range
mode in which the Meter
automatically selects the range with
the best resolution.
Data output is in progress.
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.
Test of diode.
The continuity buzzer is on.
1
2
3
4
5
6
7
8
Model UT60D: OPERATING MANUAL
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The input value is too large for the
selected range.
: Ohm. The unit of resistance.
k : kilohm. 1 x 103 or 1000 ohms.
M : Megaohm. 1 x 106 or
1,000,000 ohms.
Hz : Hertz. The unit of frequency
in cycles/second.
kHz : Kilohertz. 1 x 103 or
1,000 hertz.
MHz: Megahertz. 1 x 106 or
1,000,000 hertz.
V : Volts. The unit of voltage.
mV : Millivolt. 1 x 10-3 or 0.001
volts.
A : Amperes (amps). The unit
of current.
mA : Milliamp. 1 x 10-3 or 0.001
amperes.
A : Microamp. 1x 10-6 or
0.000001 amperes.
Revolution Measurement.
The unit: rev./min.
Sleep Mode feature is enabled. It
can be disabled by pressing
RANGE, Hz or RS232C when
turning on the Meter.
Indicates negative reading.
Analogue bar graph display.
Display Symbols (2) (see figure 2)
, k ,
M
Hz, kHz,
MHz
V, mV
A, mA,
A
RPM
----
9
10
11
12
13
14
15
16
17
Model UT60D: 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:
lIf the range is too low for the input, the Meter displays
to indicate an overload.
lIf 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:
lIn 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.
lIn 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.
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.
Model UT60D: OPERATING MANUAL
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2. To exit the manual range mode, press and hold
RANGE for over one second.
The Meter returns to the autorange mode and
is displayed.
Note
lIf you manually change the measurement range
after entering Hold mode, the Meter exits this mode.
lUnder diode, continuity and A range measurement,
only manual range mode is available.
Measurement Ranges (2)
Model UT60D: 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 thanDC1000V / AC750V rms, although
readings may be obtained.
AC Voltage Measurement (see figure 3)
(figure 3)
The AC voltage ranges are: 3.400V, 34.00V, 340.0V 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 V Hz 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).
Note
lIn 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).
blackred
Model UT60D: OPERATING MANUAL
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Measurement Operation (2)
lWhen AC voltage measurement has been
completed, disconnect the connection between the
testing leads and the circuit under test.
DC Voltage Measurement (see figure 4)
The DC Voltage ranges are: 340.0mV, 3.400V, 34.00V,
340.0V 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 V Hz; 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.
Note
lIn 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).
lWhen DC voltage measurement has been
completed, disconnect the connection between the
testing leads and the circuit under test.
(figure 4)
blackred
Model UT60D: OPERATING MANUAL
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B. Measuring Continuity, Diodes & Resistance
Warning
To avoid damages to the Meter or to the devices
under test, disconnect circuit power and discharge
all the high-voltage capacitors before measuring
continuity, diodes & resistance.
Testing for Continuity (see figure 5)
Measurement Operation (3)
To test for continuity, connect the Meter as below:
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 and press BLUE
button to select measurement mode.
3. The buzzer sounds if the resistance of a circuit under
test is less than 50 .
Note
lThe LCD displays indicating the circuit being
tested is open.
lWhen continuity testing has been completed,
disconnect the connection between the testing leads
and the circuit under test.
(figure 5)
W
blackred
Model UT60D: OPERATING MANUAL
19
Testing Diodes (see figure 6)
Measurement Operation (4)
(figure 6)
Use the diode test to check diodes, transistors, and other
semiconductor devices. The diode test sends a current
through the semiconductor junction, then measures the
voltage drop across the junction. A good silicon junction
drops between 0.5V and 0.8V.
To test a diode out of a circuit, 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 and press BLUE
button to select measurement mode.
3. For forward voltage drop readings on any
semiconductor component, place the red test lead
on the component's anode and place the black test
lead on the component's cathode.
The measured value shows on the display.
Note
lIn a circuit, a good diode should still produce a
forward voltage drop reading of 0.5V to 0.8V;
however, the reverse voltage drop reading can vary
depending on the resistance of other pathways
between the probe tips.
W
blackred
Model UT60D: OPERATING MANUAL
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