Instruction: When the resistance is less than about 30, the built-in buzzer
will sound, while the green LED indicator will light up; when the resistance is
more than about 30 and less than about 50,the red LED indicator will
light up, and the buzzer will not sound.
5 Instrument Maintenance
This section provides the basic information on maintenance, including the
descriptions about replacement of protective tubes and batteries. Do not
attempt the meter maintenance unless you are experienced in maintenance
and have read the information on calibration, performance test and
maintenance.
5.1 General maintenance
Use wet cloth or a few detergents to clean the instrument shell, and please
do not use any grinding additive or chemical solvent.
5.2 Battery replacement(Power source : 1.5V AAA battery
x3pcs)
To avoid any electric shock or personal injury as a result of
incorrect reading, replace batteries once the symbol “ ” appear on
the display unit.
In order to guarantee safe operation and maintenance of this
product, when the instrument is not used for a long term, please
take out the battery, to avoid any damage caused by battery leakage
to the product.
In order to avoid electric shock or personal injury, before opening
the battery cover or replacing the battery, please shut down and
check to guarantee that the test lead has disconnected from the
measurement circuit.
Please replace the battery according to the following steps:
Shut down the instrument power supply.
Disconnect the test lead from the circuit being measured, and remove it
from the instrument.
Loosen the bolts fixing the battery cover with a PH1 screwdriver, and
take off the battery cover.
Take off the old battery, and replace with a new one.
Install the battery cover, and tighten the bolts.
To avoid any electric shock or damage to the meter:
When the battery cover or back cover is opened, please do not
carry out any measurement using this instrument.
Please remove the test lead before cleaning the instrument.
It is required to use specified parts for replacement. Please ask
approved technicians to repair this instrument.
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