ETEKCITY MSR-A2000 Manual de usuario
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Questions or Concerns? support@etekcity.com • (855) 686-3835
Digital Multimeter
Model: MSR-A2000
User Manual
2
Table of Contents
Package Contents
Specications
Features
Safety Information
Safety Terms and Symbols
Multimeter Features & Diagram
Rotary Switch
Keypad
Display Screen
Measurement Units
Input Terminals
Operation
Taking Measurements
Multimeter Features
Care & Maintenance
Technical Specications
Warranty Information
Customer Support
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3
3
4
8
9
10
11
12
14
15
16
20
28
30
31
36
38
For full details on using your Digital Multimeter, scan the
QR code to see the extended digital manual.
You can also type the following link into a web browser:
www.etekcity.com/support/manual/model/msr-a2000
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Specications
Package Contents Features
Max Voltage 1000V
Max Display Value 5999
Battery 1 ×9V 6F22 Battery
1 ×Digital Multimeter
1 ×User Manual
1 ×9V 6F22 Battery (Pre-Installed)
2 ×Test Leads
1 ×K-Type Thermocouple
• Auto-Off
• Backlit LCD Display
• Overload Protection
• True RMS
• Auto & Manual Range Options
• Overcurrent & Overvoltage Protection
• Test Lead Insertion Detection Function
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Safety Information
Before using, read all instructions. Only use the
multimeter as directed, or the multimeter may
be damaged, and you may be seriously injured.
• Limit operation to the specied measurement
category, voltage, or amperage ratings.
• Do not use the multimeter if it is damaged.
Before you use the multimeter, inspect the
case. Look for cracks or missing plastic.
Pay particular attention to the insulation
surrounding the connectors.
• Do not use the test leads provided for other
products. Use only the certied test leads
specied for this multimeter.
• Inspect the test leads for damaged
insulation or exposed metal.
• Before use, verify the multimeter’s operation
by measuring a known voltage.
• Only qualied technicians can perform
maintenance on this multimeter.
• Always use the specied battery type.
This multimeter is supplied with a battery
for power. Observe the correct polarity
markings before you insert the batteries to
ensure proper insertion of the batteries in
the multimeter.
• Check all Terminal Ratings. To avoid re or
shock hazard, check all ratings and markers
for this multimeter. Refer to this manual
for more information about ratings before
connecting anything to the multimeter.
READ AND SAVE THESE INSTRUCTIONS
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Safety Information (cont.)
• Do not operate the multimeter with the
cover, or portions of the cover, removed or
loosened.
• Use Proper Fuses. Use only the specied
type and rating fuse for the multimeter.
• Do not operate if in any doubt about whether
the multimeter is safe to use. If you suspect
damage has occurred to the multimeter,
have it inspected by qualied service
personnel before further operation.
• To avoid electric shock, do not operate this
multimeter in wet or damp conditions.
• Do not operate in an area with explosive
substances or gasses.
• Always keep the multimeter’s surfaces clean
and dry.
• Do not apply more than the rated voltage (as
marked on the multimeter) between terminals,
or between terminal and earth ground.
• When measuring current, turn off the circuit
power before connecting the multimeter
in the circuit. Remember to place the
multimeter in series with the circuit.
• When servicing the multimeter, use only the
specied replacement parts.
• Use caution when working above 60V DC,
30V AC RMS, or 42.4V peak. Such voltages
pose a shock hazard.
• When using the test leads, keep your ngers
behind the nger guards on the test leads.
Never touch any exposed metal while
measuring.
• Remove the test leads from the multimeter
before you open the battery cover.
• To avoid false readings, which may lead to
possible electric shock or personal injury, replace
the battery as soon as the low battery indicator
appears and flashes.
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Safety Information (cont.)
• Disconnect circuit power and discharge all high-
voltage capacitors before testing resistance,
continuity, diodes, or capacitance.
• Always use the proper terminals, function, and
range for your measurements. When the range
of the value to be measured is unknown, set
the rotary switch position as the highest range,
or choose the auto-ranging mode. To avoid
damages to the multimeter, do not exceed the
maximum limits of the input values shown in the
technical specication tables (see pages 31–34).
• Connect the common test lead before you
connect the live test lead. When you disconnect
the leads, disconnect the live test lead rst.
• Before changing functions, disconnect the test
leads from the circuit undergoing testing.
• Do not alter the internal circuitry of the
multimeter. This may result in serious injury.
• Do not use or store the multimeter in wet or
humid environments, in very high temperatures,
around explosive or flammable substances, or in
areas with strong magnetic elds. The multimeter
will not perform correctly, which may create a
safety hazard.
• Do not allow children to operate or play with
this multimeter.
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Safety Information (cont.)
Measurement Category Safety Rating
Measurement Category (CAT)
Denitions:
The multimeter has a safety rating of 1000V,
CAT III and 600V, CAT IV.
Measurement CAT I applies to measurements
performed on circuits not directly connected
to the AC mains. Examples are measurements
on circuits not derived from the AC mains and
specially protected (internal) mains-derived
circuits, such as signal levels, electronics, and
limited-energy parts of equipment, which usually
have little chance of danger or overloading.
Measurement CAT II applies to measurements
performed on circuits directly connected
to the low-voltage installation. Examples
are measurements on energy-consuming
equipment such as TVs, PCs, portable tools,
and other household circuits.
Measurement CAT III applies to
measurements performed on equipment in
xed equipment installations, such as wiring,
distribution panels, feeders and short branch
circuits, and lighting systems in large buildings.
Measurement CAT IV applies to
measurements performed at the source of
the low-voltage installation. Examples are
electricity meters and measurements on
primary overcurrent protection devices and
ripple control units.
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Safety Terms and Symbols
Safety Terms Safety Symbols
Terms in this Manual. The following terms may
appear in this manual:
Symbols on the Product. The following symbol
may appear on the product:
Terms on the Product. The following terms
may appear on this product:
Warning: Warning indicates the conditions or
practices that could result in personal injury or
death.
Caution: Caution indicates the conditions
or practices that could result in damage to this
product or other property.
Danger: Indicates an injury or hazard may
immediately occur.
Warning: Indicates an injury or hazard may
potentially occur.
Caution: Indicates a potential damage to the
instrument or other property might occur.
Direct current
(DC) Fuse
Alternating
current (AC) CAT II
Category II
overvoltage
protection
Both direct
and alternating
current
CAT III
Category III
overvoltage
protection
Ground terminal CAT IV
Category IV
overvoltage
protection
Equipment
protected
throughout by
double insulation
or reinforced
insulation
Caution, risk of
danger (refer to this
manual for specic
Warning or Caution
information)
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Multimeter Features
A. Display Screen (see page 12)
B. Keypad (see page 11)
C. Rotary Switch (see page 10)
D. Input Terminals (see page 15)
E. LED Indicator
F. Non-Contact Voltage Detector (NCV)
(see page 24)
G. Flashlight (see page 19)
A
B
D
Accessories
E
H
I
J
F G
C
H. 9V 6F22 Battery (Pre-Installed)
I. Test Leads
J. K-Type Thermocouple
10
Position Description Details
Power off Page 18
DC or AC voltage measurement Page 20
Resistance measurement Page 21
Continuity test Page 21
Diode test Page 22
Capacitance measurement Page 22
Frequency / duty cycle
measurement Page 23
Temperature measurement Page 23
Rotary Switch
Position Description Details
Single test lead living wire
detection Page 24
Non-contact voltage detection Page 24
DC or AC current measurement,
Up to 6000 microamperes Page 26
DC or AC current measurement,
Up to 600 milliamperes Page 26
DC or AC current measurement Page 26
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