Unit UT205A Manuale utente
Table of Contents
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4
5
6
9
10
11
14
17
17
19
20
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25
27
Title Page
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
Functional Buttons
Display Symbols
Measurement Operation
A. AC Current Measurement
B. DC Voltage Measurement
C. AC Voltage Measurement
D. Measuring Resistance
E. Testing for Diodes and Continuity
F. Frequency and Duty Cycle (%) Measurement
(Duty Cycle: UT205A only)
G. Temperature Measurement (Model UT206A only)
Model UT205A/206A: OPERATING MANUAL
1
28
29
30
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30
31
33
33
33
34
34
35
36
36
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37
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38
Title Page
Operation of Hold Mode
The Use of Relative Value Mode(Model UT206A only)
The SELECT Button
Turning on the Display Backlight
Sleep Mode
General Specifications
Accuracy Specifications
A. AC Current
B. DC Voltage
C. AC Voltage
D. Resistance
E. Diode and Continuity Test
F. Frequency
G. Duty Cycle (Model UT205A only)
H. Temperature (Model UT206A only)
Maintenance
A. General Service
B. Replacing the Battery
Model UT205A/206A: 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 Safety Operation” carefully before using the Meter.
The Model UT205A and UT206A (hereafter referred to as “the Meter”) are a low
consumption AC clamp meter with stabilize functions, safety operations, and reliable
performance.
In addition to theAC current feature, it can also measureAC/DC voltages, resistance,
diode, continuity, frequency and temperature.
Except where noted, the descriptions and instructions in this Operating Manual apply
to both the Model UT205A/UT206A.
Model UT205A/206A: 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 Description Qty
1
2
3
4
5
In the event you find any missing or damage, please contact your dealer immediately.
Operating Manual
Test Lead
Model UT206A: Point Contact Temperature Probe
9V Battery (NEDA1604, 6F22 or 0006P) (installed inside the Meter)
Vinyl Bag
1 piece
1 pair
1 piece
1 piece
1 piece
Model UT205A/206A: OPERATING MANUAL
4
Safety Information
This Meter complies with the standards IEC61010: in pollution degree 2, overvoltage
category (CAT. II 600V / CAT III 300V) 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.
Under the influence of Radiated, Radio-Frequency Electromagnetic Field phenomenon,
the captioned model may malfunction and can self-recover after the test.
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.
Model UT205A/206A: OPERATING MANUAL
5
Rules For Safe Operation
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:
Check for the lever is in good condition when measuring AC current.
Must center the wire (conductor) within the transformer jaw.
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. Replace damaged test leads with identical model number
or electrical specifications before using the Meter.
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.
When the Meter working at an effective voltage over 60V in DC or 42V rms in
AC, special care should be taken for there is danger of electric shock.
Warning
Model UT205A/206A: OPERATING MANUAL
6
Use the proper terminals, function, and range for your measurements.
When using the test leads, keep your fingers behind the finger guards.
Disconnect circuit power and discharge all high-voltage capacitors before testing
To avoid harms to you or damages to the Meter from electric shock, please do
not attempt to apply higher than 600V between the terminals and grounding.
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.
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.
Turn the Meter 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.
Model UT205A/206A: OPERATING MANUAL
7
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
Model UT205A/206A: OPERATING MANUAL
8
International Electrical Symbols
AC (Alternating Current)
DC (Direct Current)
AC or DC
Grounding
Double Insulated
Fuse
Deficiency of Built-In Battery
Continuity Test
Diode
Conforms to Standards of European Union
Warning. Refer to the Operating Manual
High Voltage Terminal
Model UT205A/206A: OPERATING MANUAL
9
The Meter Structure (see figure 1)
(figure 1)
1.
2.
3.
4.
5.
6.
Transformer Jaws designed to pick up theAC current
flowing through the conductor.
Rotary Switch.
LCD Display.
Function Buttons
Input Terminals
Trigger. Press the lever to open the transformer
jaws. When the pressure on the lever is released,
the jaws will close.
1
2
3
4
5
6
Model UT205A/206A: OPERATING MANUAL
10
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