Mastech MS2000R Istruzioni per il montaggio
OPERATOR’S
INSTRUCTION MANUAL
DIGITAL CLAMP METER
M
CONTENTS PAGE
Safety Information ..…………..……………....
Safety Symbols .…..………….…...…………..
Safety Precautions …..………...……………..
Maintenance .……………..…..…..……….....
General Description …….…..………………..
Front Panel Description ….…..…………..….
Clamp Meter Layout ……………………………
Operating Instructions ………....…………….
Specifications ………………..……….……....
Auto Power Off ……………………………….
Replacing The Battery .……..………………..
Accessories ……………….……………...…...
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CAUTION:
Using this appliance in an environment with a strong
radiated radio-frequency electromagnetic field
(approximately 3V/m), may influence its measuring
accuracy. The accuracy can be reduced to (12% of
reading + 6 digits).
SAFETY INFORMATION
The digital clamp meter has been designed according
to IEC1010 –1 and IEC1010 –2 –032 concerning
safety requirements for electrical measuring
instruments and hand –held current clamps with an
overvoltage category (CAT II) and pollution 2.
SAFETY SYMBOLS
Important safety information, refer to the
operating manual.
Dangerous voltage may be present.
Earth ground.
Double insulation (Protection class II).
AC –Alternating Current.
DC –Direct current.
Battery.
Conforms to European Union directives.
1
The digital clamp meter complies with the
requirements of the following European Community
Directives:
89/336/EEC (Electromagnetic Compatibility) and
73/23/EEC (Low Voltage) as amended by 93/68/EEC
(CE Marking).
However, electrical noise or intense electromagnetic
fields in the vicinity of the equipment may disturb the
measurement circuit. Measuring instruments will also
respond to unwanted signals that may be present
within the measurement circuit.
Users should exercise care and take appropriate
precautions to avoid misleading.
SAFETY PRECAUTIONS
Follow all safety and operating instructions to ensure
maximum personal safety during the operation and to
ensure the meter is used safely and is kept in good
operating condition.
•
Read these operating instructions thoroughly
and completely before operating your meter.
Pay particular attention to WARNINGS, which
will inform you of potentially dangerous
procedures.
2
•
•
•
•
The instructions in these warnings must be
followed.
Always inspect your meter and test leads for
any sign of damage or abnormality before every
use. If any abnormal conditions exist (i.e.
broken test leads, cracked cases, display not
reading, etc.), do not attempt to take any
measurements.
Do not expose the instrument to direct sunlight,
extreme temperature or moisture.
Never ground yourself when taking electrical
measurements. Do not touch exposed metal
pipes, outlets, fixtures, etc., which might be at
ground potential. Keep your body isolated from
ground by using dry clothing; rubber shoes,
rubber mat, or any approved insulating material.
You always are careful when working with
voltages above 60V dc or 30V ac rms. Keep
fingers behind the probe barriers while
measuring.
•
•
Never use the meter to measure voltages that
might exceed the maximum allowable input
value of any function.
Never touch exposed wiring, connections or any
live circuit when attempting to take
measurements.
3
MAINTENANCE
•
•
•
•
Before opening the case, always disconnect test
leads from all energized circuits.
Never use the meter unless the back cover is in
place and fastened completely.
Do not use abrasives or solvents on the meter.
To clean it using a damp cloth and mild
detergent only.
Qualified and trained service technicians should
only perform calibration and repair of the meter.
•
Do not attempt calibration or service unless
trained and another person capable of
rendering first aid and resuscitation is present.
GENERAL DESCRIPTION
The meter is an autoranging professional clamp meter
with digital and analog display, 3999 counts and 40
segment bar graph. For measuring DC and AC
voltage, DC and AC current, Resistance, Frequency
and Continuity Test with battery operated.
FRONT PANEL DESCRIPTION
Transformer jaws
Pick up the AC or DC current flowing through
the conductor.
4
Hold button
When this button is pushed, the display will
keep the last reading and “ ” symbol will
appear on the LCD until pushing it again.
Rotary switch
This switch is used to select functions and to
turn on / off the meter.
REL/WAKE button
When measuring:
Press the button to select enter the relative
measurement mode and the "REL" symbol will
appear on LCD. Press the button again, the
"REL" blink, the LCD shows the Input reading
of REL function active. Push this button more
than 1 seconds to disabled the function.
NOTE:
When press the button, the meter is converted
to a fixation range. So the measuring range is
the display current range.
After auto power off:
After auto power off, need pressing the button
one time for waking it. So the meter turn on.
LIGHT button
To use this function, press this LIGHT button.
When the button is pushed, the light of display
is on. After about 3 5 seconds, the light is
5
self-off. The light is on again, just push this
button once.
“VHz” jack
This is positive input terminal for volt and
frequency measurement connection is made
to it using the red test lead.
“COM” jack
This is negative (ground) input terminal for all
measurement modes except current.
Connection is made to it using the black test
lead.
“” jack
This is the positive input terminal for ohms.
Connection is made using the red test lead.
LCD Display
6
AUTO
Auto range indication.
MANU
fixation range indication
Negative polarity indicates for digital
reading.
AC
AC input indication
DC
DC input indication
Low battery indication
T-RMS
True rms indication
Auto power off indication
REL
Relative measurement indication
Auto hold is active.
MAX
Maximum reading displayed.
MIN
Minimum reading displayed.
MAX MIN
Current value measurement indication
Continuity beeper function indication.
Testing diode mode
A
Current measurement indication
mV
Voltage measurement indication
Mk
Ohm measurement indication
kHz
Frequency measurement indication
Indice
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