UNI-T UT60F Operating Manual

Overview
part of the case) is removed. Look for cracks or
This Operating Manual covers information on safety and
missing plastic. Pay attention to the insulation
cautions. Please read the relevant information carefully
around the connectors.
and observe all the Warnings and Notes strictly.
Inspect the test leads for damaged insulation
Warning or exposed metal. Check the test leads for
To avoid electric shock or personal injury, read the continuity. Replace damaged test leads with
"Safety Information" carefully before using the Meter. identical model number or electrical specifications
before using the Meter.
Digital Multimeter UT60F/UT60G(hereafter referred
Do not apply more than the rated voltage, as
to as "the Meter") are 4000-count instruments with
marked on the Meter, between the terminals or
stable performance, high reliability and unique stru
between any terminal and grounding.
-ctural design. The Meter uses large scale of integrated
circuit with double integrated A/D converter as its core The rotary switch should be placed in the right
and has full range overload protection. position and no any changeover of range shall
be made when measurement is conducted to
The Meter can measure AC/DC Voltage, AC/DC Current,
prevent damage of the Meter.
Resistance, Capacitance, Temperature, Frequency,
When the Meter is working at an effective voltage
Diodes, Continuity and etc. The Meter adopted advanced
over 60V in DC or 30V rms in AC, special care
"co-injection" technique in order to provide sufficient
should be taken for there is danger of electric
insulation. In addition, the Display Backlight feature
shock.
enables user to work in a dim condition.
Use the proper terminals, function, and range
Unpacking Inspection
for your measurements.
Do not use or store the Meter in an environment
Open the package case and take out the Meter. Check
of high temperature, humidity, explosive,
the following items carefully for any missing or
inflammable and strong magnetic field. The
damaged part:
performance of the Meter may deteriorate after
Item Qty
Description
dampened.
1 English Operating Manual 1 pc
When using the test leads, keep your fingers
2
Test Leads 1 pair
behind the finger guards.
3 1 pair
Test Clips
Disconnect circuit power and discharge all high-
4 1 pc
Point Contact Temperature Probe
voltage capacitors before testing resistance,
(UT60G only)
continuity, diodes, current or capacitance.
5 RS-232C Interface Cable pc
Before measuring current, check the Meter's
CD-ROM (Installation Guide &
1 pc
fuses and turn off power to the circuit before
6
Computer Interface Software)
connecting the Meter to the circuit.
In the event you find any missing or damaged part,
Replace the battery as soon as the battery
please contact your dealer immediately.
indicator appears. With a low battery, the Meter
might produce false readings that can lead to
Safety Information
electric shock and personal injury.
This Meter complies with IEC61010 Pollution Degree2 ,
Remove test leads, point contact temperature
Overvoltage Category(CAT.III1000V, CAT.IV600V) and
probe and RS232C interface cable from the Meter
Double Insulation standards
and turn the Meter power off before opening the
CAT. III: Distribution level, fixed installation, with smaller
Meter case.
transient overvoltages than CAT. IV
When servicing the Meter, use only the replacement
CAT IV: Primary supply level, overhead lines, cable
parts with the same model or identical electrical
systems etc.
specifications.
Use the Meter only as specified in this operating manual,
The internal circuit of the Meter shall not be
otherwise the protection provided by the Meter may be
altered at will to avoid damage of the Meter and
impaired.
any accident.
In this manual, a Warning identifies conditions and actions
Soft cloth and mild detergent should be used
that pose hazards to the user, or may damage the Meter
to clean the surface of the Meter when servicing.
or the equipment under test.
No abrasive and solvent should be used to
A Note identifies the information that user should pay prevent the surface of the Meter from corrosion,
attention to. damage and accident.
The Meter is suitable for indoor use.
Warning
Turn the Meter off when it is not in use and take
To avoid possible electric shock or personal injury,
out the battery when not using for a long time.
and to avoid possible damage to the Meter or to the
Constantly check the battery as it may leak when
equipment under test, adhere to the following rules:
it has been using for some time, replace the
Before using the Meter inspect the case. Do battery as soon as leaking appears. A leaking
not use the Meter if it is damaged or the case (or
battery will damage the Meter.
International Electrical Symbols
AC (Alternating Current).
Any rotary
RANGE
Switch
DC (Direct Current).
Position
AC or DC.
Grounding.
Any rotary
Switch
Double Insulated.
Position
Low Battery Indication.
HOLDH
At OFF
Continuity Test.
position
Diode.
Fuse.
Any rotary
POWER
Switch
Warning. Refer to the Operating Manual.
Position
Conforms to Standards of European Union.
Any rotary
RS232C
switch
The Multimeter Structure position
(See Figure 1)
1 LCD Display
2 Functional Buttons
3 Rotary Switch
Display Symbols
4 HzVΩInput Terminal:
Input for voltage, frequency,
3
resistance,diode,capacitance
and continuity measurements.
5 COM Input Terminal:
16
Return terminal for all measurements.
1
6 Model UT60F: μA mA Input
5
Terminal; Input for μ A 6 DC
and 14
Figure 1
mA measurement.
AC
2
o
Model UT60G: mA C Input Terminal
Input for mA and temperature measurement.
15
7 10A Input Terminal
Input for A measurement.
Number Symbol
Rotary Switch
1 DC
The table below offers information about the rotary 2 AC
switch positions.
Rotary Switch
3
AUTO
Function
Position
V AC or DC voltage measurement
4 RS232C
: Resistance measurement
: Diode test
5
: Continuity test
6
Capacitance measurement
Hz Frequency measurement
7
Temperature measurement
(UT60G only) 8
AC or DC current measurement range
μA
from 0.1μA to 4.000mA (UT60F only)
Model UT60F: AC or DC current
nF,μF,
mA measurement range from 0.01mA to
9
400.0mA
mF
Model UT60G: AC or DC current
measurement range from 0.01mA to
600.0mA.
A AC or DC current measurement
range from 10mA to 10.00A
Functional Buttons
μA,mA
10
The table below offers information about the functional
A
button operations.
Button Measuring
Description
F u n c t i o n
Press once to turn the Display
11
Display mV, V
Backlight on and it shall shut off
Backlight
automatically in around 60 seconds
later.
Ω,kΩ,
12
V Switches between AC and DC
MΩ
Voltage; the Meter beeps. DC is
default.
Switches between continuity and
diode and resistance Hz, kHz,
13
measurement; MHz
(BLUE)
The Meter beeps.
Resistance is default.
μA Switches between AC and DC
14
current range from 0.1μA to
(UT60F
4.000mA; the Meter beeps. DC
ONLY) 15
is default
Model UT60F: Switches between
16
AC and DC current measurement
range from 0.01mA to 400.0mA;
mA
the Meter beeps. DC is default.
Model UT60G: Switches between
AC and DC current measurement
range from 0.01mA to 600.0mA ;
the Meter beeps. DC is default.
Any rotary 1.Press RANGE to enter the
OL
RANGE manual ranging mode; the Meter
Switch
Position beeps.
Manually selecting a range
causes the Meter to exit the
Hold mode.
Measurement Operation
2.Press RANGE to step through
the ranges available for the A. Measuring DC Voltage
selected function; the Meter
Warning
beeps.
3.Press and hold RANGE for over To avoid harm to
1 second to return to autoranging;
you or damage
the Meter beeps.
to the Meter
Press HOLD H to enter and exit
from eletric
the Hold mode in any mode, the
shock, please
Meter beeps.
do not attempt
to measure
Press and hold
HOLD H button while turning
voltages higher
on the Meter to display full icons.
than 1000V, although
Press HOLD H again to return
readings may be obtained.
to normal display mode.
The DC Voltage ranges are:
Turn the Meter's power on and off. Model UT60F: 400mV, 4V, 40V, 400V and 1000V;
Model UT60G: 600mV, 6V, 60V, 600V and 1000V.
To measure DC voltage, connect the Meter as follows:
Turn on or off the serial port
interface without changing the 1.
Insert the red test lead into the HzVΩ terminal and the
original setting. Although HOLD H
black test lead into the COM terminal.
is on, outputted data displayed
2.
Set the rotary switch to V
on the computer is the current
default or press BLUE button to select DC mode.
measurement value.
3.
Connect the test leads across with the object being
(See Figure 2)
measured.
The measured value shows on the display.
4 5 6
Note
7
In each range, the Meter has an input impedance of
10MΩ . This loading effect can cause measurement
8
RS errors in high impedance circuits. If the circuit
232C
impedance is less than or equal to 10kΩ , the error
C F
μ
n mF
9 is negligible (0.1 or less).
μ
mVA When DC voltage measurement has been completed,
10/11
Ω
Mk Hz
disconnect the connection between the testing leads
and the circuit under test and remove testing leads
12/13
Figure 2 from the input terminals.
Description B. Measuring AC Voltage
Indicator for DC voltage or current
Warning
Indicator for AC voltage or current
To avoid harm to
The Meter is in the auto range you or damage
mode in which the Meter autom
to the Meter
atically selects the range with the
from eletric
best resolution.
shock, please
Data output is in progress
do not attempt
Data hold is active to measure
voltages higher
Test of diode
than 1000V rms,
The continuity buzzer is on although readings may
be obtained.
The unit of temperature:
o
F
Centigrade temperature The AC Voltage ranges are:
Fahrenheit temperature
Model UT60F: 400mV,4V,40V,400V and 1000V;
Model UT60G: 600mV, 6V, 60V, 600V and 1000V.
Farad. The unit of capacitance
To measure AC voltage, connect the Meter as follows:
-9
nF: Nanofarad. 1x10 or
1. Insert the red test lead into the HzVΩ terminal and
0.000000001 farads.
the black test lead into the COM terminal.
μF:Microfarad.1x10 -6
or
2. Set the rotary switch to V
0.000001 farads.
to select AC measurement mode.
-3
mF: Millifarad. 1x10 or
3. Connect the test leads across with the object being
0.001 farads.
measured.
The measured value shows on the display.
Amperes (amps). The unit of
current.
Note
-3
mA: Milliamp, 1x10 or 0.001
In each range, the Meter has an input impedance of
amperes.
μA:Microamp.1x10 -6 10MΩ. This loading effect can cause measurement
or 0.000001
amperes. errors in high impedance circuits. If the circuit
impedance is less than or equal to 10kΩ, the error is
Volts. The unit of voltage.
negligible (0.1 or less).
mV: Millivolt. 1x10 -3 or 0.001 volts
When AC voltage measurement has been completed,
Ω:Ohm. The unit of resistance.
disconnect the connection between the testing leads
kΩ:Kilohm. 1x10 3 or 1000 ohms
and the circuit under test and remove testing leads
6
MΩ:Megaohm. 1x10 or 1,000,000
from the input terminals.
ohms
C. Measuring DC / AC Current
Hertz. The unit of frequency in
cycles/second.
Warning
3
kHz: Kilohertz. 1x10 or
If the fuse burns
1000 hertz
out during meas
6
MHz: Megahertz. 1x10 or
-urement, the Meter
1,000,000 hertz
may be damaged or
Indicates negative reading
the operator himself
Sleep Mode feature is enabled.
may be hurt. Use
proper terminals,
The battery is low.
function and range
Warning: To avoid false
for the measurement.
readings, which could lead to When the testing leads
possible electric shock or are connected to the current
terminals, do not parallel them across any circuit.
personal injury, replace the
battery as soon as the battery Use the 10A terminal and A range if the current
value to be tested is an unknown.
indicator appears.
Model UT60F has 3 measurement positions on
The input value is too large for
the rotary switch: μA
, mA and A
the selected range
Model UT60G has 2 measuremnet positions on
the rotary switch: mA and A
To measure current, do the following:
1. Model UT60F: Insert the red test lead into the μAmA
(See Figure 3)
or 10A terminal and the black test lead into the COM
terminal.
Model UT60G: Insert the red test lead into the mA
or 10A terminal and the black test lead into the COM
Select
terminal.
2. Set the rotary switch toμA , mA, or A The Meter
defaults to DC current measurement mode.
To toggle between DC and AC current measurement
red black
function, press the BLUE button.
3. Connect the test leads with the object being measured.
The measured value shows on the display
Figure 3
Note:
For safety sake, the measuring time for high current
should be less than 10 seconds for each measurement
and the interval time between 2 measurements
should be greater than 15 minutes.
When current measurement has been completed,
disconnect the connection between the testing leads
;DC measurement is
and the circuit under test and remove testing leads
from the input terminals.
D. Measuring Resistance
(See Figure 6)
Warning
To avoid harm
Select
to you, please
do not attempt
to measure voltages
higher than 60V DC
or 30V rms AC.
red
To avoid damages
to the Meter or to
the devices under test,
disconnect circuit power
Figure 6
and discharge all the high-voltage
(See Figure 4)
capacitors before measuring resistance.
The resistance ranges are:
Model UT60F: 400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, and 40MΩ.
Model UT60G: 600Ω, 6kΩ, 60kΩ, 600kΩ, 6MΩ, and 60MΩ.
Select
To measure resistance, connect the Meter as follows:
1. Insert the red test lead into the HzVΩ terminal and
the black test lead into the COM terminal.
2. Set the rotary switch toΩ resistance measurement
red black
(Ω) is default or press BLUE button to select Ω
measurement mode.
3. Connect the test leads across with the object being
Figure 4 measured.
The measured value shows on the display.
Note:
The test leads can add 0.1Ω to 0.2Ω of error to
resistance measurement. To obtain precision readings
in low-resistance measurement (UT60F: 400Ω and
UT60G is 600Ω), short-circuit the input terminals
beforehand and record the reading obtained (called
;
and press BLUE button
this reading as X).
Then use the equation:
measured resistance value (Y) –(X) = precision
readings of resistance.
For high-resistance measurement (>1MΩ), it normally
takes several seconds to obtain a stable reading.
If Ω reading with shorted test leads is not
check for loose test leads, wrong function selected,
or enabled data hold function.
The LCD displays OL indicating open-circuit or the
tested resistor value is higher than the maximum
range of the Meter.
Resistance measurement defaults to auto range
mode.
approximate 1.20V. At all other range, open circuit
voltage approximate 0.45V.
(See Figure 5)
When resistance measurement has been completed,
disconnect the connection between the testing leads
and the circuit under test and remove testing leads
from the input terminals.
Select
DC or AC
E.Testing Diodes
(See Figure 7)
Warning
To avoid harms
black red to you, please do Select
not attempt to
measure voltages
higher than 60V DC
Figure 5
or 30V rms AC.
red
To avoid damages
to the Meter or to
the devices under test,
disconnect circuit power
Figure 7
and discharge all the high-voltage capacitors before
.
testing diodes.
. Use the diode test to check diodes, transistors, and other
semiconductor devices. The diode test sends a current
o C
black
0.5Ω,
black