YATO YT-73081, Оригинальное руководство пользователя

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O R I G I N A L I N S T R U C T I O N S
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meter is used to measure conduction, the built-in buzzer will sound whenever the measured resistance drops
below 30 Ω . The buzzer can also be heard in the range from 30 Ω to 100 Ω . It is absolutely forbidden to
test conductivity in circuits through which electric current is fl owing.
Transistor test
Set the measuring range switch to the position marked with the “hFE” symbol (transistor gain factor meas-
urement). Depending on the type of transistor you have, choose either the PNP or the NPN socket, taking
care to insert the transistor’s terminals in holes marked with the letters E – emitter, B – base, C – collector.
If the transistor is working and the connection is correct, the result of the gain measurement will be shown
on the display. It is absolutely forbidden to test transistors through which electric current is fl owing.
Battery test
Connect the test leads to the jacks marked “V Ω mA” and “COM”. Set the range switch to the position corre-
sponding to the rated battery voltage. Put the probes to the battery terminals, minding the correct polarity. The
battery voltage will be shown on the display. A good battery will show a higher voltage than the rated voltage.
MAINTENANCE AND STORAGE
Wipe the meter with a soft cloth. Larger amounts of dirt should be removed with a slightly damp cloth. Do
not immerse the product in water or any other liquid. Do not use solvents, corrosive or abrasive agents for
cleaning. Care should be taken to keep the contacts of the meter and the test leads clean. Clean the contacts
of the test leads with a cloth slightly soaked in isopropyl alcohol. In order to clean the contacts of the meter,
turn o ff the meter and remove the battery. Turn the meter over and shake it gently so that larger pieces of
dirt fall out of the meter connectors. Lightly soak a cotton stick with isopropyl alcohol and clean each contact.
Wait until the alcohol evaporates, then install the battery. The meter should be stored in a dry room in the
supplied unit packaging.