Unit UT58D Bedienungsanleitung
1
Table of Contents
Title Page
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
Rotary Switch
Functional Buttons
Display Symbols
Measurement Operation
A. DC and AC Voltage Measurement
B. DC and AC Current Measurement
C. Measuring Resistance
D. Measuring Diodes and Continuity
E. Testing for lnductance
F. Capacitance measurement
G. Measuring Transistor
Sleep Mode
General Specifications
Accuracy Specifications
A. DC Voltage
B. AC Voltage
C. DC Current
D. AC Current
E. Resistance Test
F. Diodes and Continuity Test
G. lnductance
H. Capacitance
I. Transistor Test
3
10
4
11
12
14
14
15
17
19
21
22
24
26
27
27
27
27
28
28
29
29
30
30
5
6
8
9
25
Model UT58D: OPERATING MANUAL
Maintenance
A. General Services
B. Replacing the Fuses
C. Replacing the Battery
Title Page
31
31
31
32
Table of Contents
Title Page
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
Rotary Switch
Functional Buttons
Display Symbols
Measurement Operation
A. DC and AC Voltage Measurement
B. DC and AC Current Measurement
C. Measuring Resistance
D. Measuring Diodes and Continuity
E. Testing for lnductance
F. Capacitance measurement
G. Measuring Transistor
Sleep Mode
General Specifications
Accuracy Specifications
A. DC Voltage
B. AC Voltage
C. DC Current
D. AC Current
E. Resistance Test
F. Diodes and Continuity Test
G. lnductance
H. Capacitance
I. Transistor Test
Model UT58D: OPERATING MANUAL
2
Overview
Warning
To avoid electric shock or personal injury, read the
“Safety Information” and “Rules for Safety Operation”
carefully before using the Meter.
Digital Multimeters Model UT58D (hereafter referred to
as “the Meter”) is 3 1/2 digits with ex-large LCD, steady
operations, fashionable structure and highly reliable
hand-held measuring instrument. The Meter uses large
scale of integrated circuit with double integrated A/D
converter as its core and has full range overload
protection. The Meter has 28 different measuring
functions. It has not only can measure AC/DC Voltage,
AC/DC Current, Resistance, Capacitance, Transistor,
Diode and Continuity, but also have Inductance, Data
Hold, Full Icon Display, Overload Protection and Sleep
Mode features.
Model UT58D: 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:
In the event you find any missing or damage, please
contact your dealer immediately.
1 English Operating Manual 1 piece
2 Test Lead 1 pair
3 Multi-Purpose Socket 1 piece
4 Test Clip
5 Holster
6 9V Battery (NEDA1604, 6F22 or 009P) 1 piece
1 piece
1 piece
Item Description Qty
4
Model UT58D: OPERATING MANUAL
Safety Information
This Meter complies with the standards IEC61010: in
pollution degree 2, overvoltage category (CAT. II 1000V,
CAT. III 600V) and double insulation.
CAT. II: Local level, appliance, PORTABLE EQUIPMENT
etc., with smaller transient voltage overvoltages than
CAT. III
CAT. III: Distribution level, fixed installation, with smaller
transient overvoltages than CAT. IV
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 to.
International electrical symbols used on the Meter and
in this Operating Manual are explained on page8
5
Model UT58D: OPERATING MANUAL
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 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.
l Use the proper terminals, function, and range for
your measurements.
l If the value to be measured is unknown, use the
maximum measurement position and reduce the
range stop by step until a satisfactory reading is
obtained.
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.
6
Model UT58D: OPERATING MANUAL
Rules For Safe Operation (2)
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 resistance,
continuity, diodes, capacitance or current.
l Before 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.
l Remove test leads and multi-purpose socket 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 Turn the Meter power 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.
7
Model UT58D: OPERATING MANUAL
International Electrical Symbols
AC (Alternating Current).
DC (Direct Current).
Grounding.
Double Insulated.
Deficiency of Built-In Battery.
Warning. Refer to the Operating Manual.
Conforms to Standards of European Union.
Diode.
AC or DC.
Fuse.
Continuity Test.
Model UT58D: OPERATING MANUAL
8
9
Model UT58D: OPERATING MANUAL
The Meter Structure (see figure 1)
1 LCD Display
2 POWER
3 HOLD Button.
4 Rotary Switch
5 COM Input Terminal
6 20A Input Terminal
7 mA Input Terminal
8 Other Input Terminal.
( figure 1)
Model UT58D: OPERATING MANUAL
10
Rotary Switch
Below table indicated for information about the rotary
switch positions.
DC voltage measurement.
AC voltage measurement.
Transistor Test
AC Current Measurement
DC Current Measurement
Fcx Capacitance Test
HLx Inductance Test
Diode test
Continuity test
Resistance measurement.
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