YATO YT-73084 Manual De Instrucciones página 10

GB
OPERATION OF THE MULTIMETER
ATTENTION! In order to protect from electric shock before the housing of the device is opened, disconnect the measurement cables
and turn the meter off.
Safety instructions
Do not operate the meter in the presence of an excessive humidity, toxic or inflammable vapours and in explosive atmosphere. Before
each use check the conditions of the meter and the measurement cables. If any damage is detected, it is prohibited to operate the devi-
ce. Damaged cables must be replaced. In case of any doubts, consult the manufacturer. During measurements keep the measurement
cables and leads by the insulated parts. Do not touch the places of measurement or the sockets of the meter which are not being used.
Before the measured quantity is modified, disconnect the measurement cables. Do not realize any maintenance tasks without making
sure the measurement cables have been disconnected from the meter, and the meter itself has been turned off.
Replacement of the battery
The multimeter is powered with three 1.5 V AAA batteries. It is recommended to use alkaline batteries. In order to install the batteries
open the housing of the device turning by 90 the knob in the opening of the base at the bottom of the meter. Connect the batteries
O
in accordance with the marking of the terminals, close the housing and turn the knob. If the battery symbol id displayed, the battery
must be replaced. For the sake of precision of measurements, it is recommended to replace the battery as soon as possible once the
symbol of battery has been displayed.
Replacement of the fuse
The device is equipped with a fast F250mA/300V (Ø5x20mm) fuse. If the fuse is damaged, it must be replaced with a new one of
the same electrical parameters. To do so, open the housing of the meter and proceed as in the case of replacement of the battery,
observing the safety principles, to replace the fuse.
Switch button
The function of the button is to turn the meter on and off. If no measurement is realised, the selector remains in the same position, and
no other button is pushed, the meter will turn out automatically after approximately 15 minutes.
Button „FUNC."
The purpose of the button is to change the measured quantity or the unit. The button is active solely with some settings of the selec-
tor.
Button „RANGE"
The purpose of the button is to manually change the measurement range for the given quantity. When it is pushed „AUTO" disappears
from the display. If it is pushed again the range is changed in the sequence indicated in the table. If the button is held for approximately
1 second, then the automatic range selection is restored.
Button „DATA H"
The purpose of the button is to hold the measured value in the display. If the button is pushed the value remains in the display, even if
the measurement has concluded. In order to return to the measurement mode push the button again. The function is signalled in the
display of the meter with „DATA H".
Button „MAX H"
The purpose of the button is to hold in the display the highest measured value. If the button is pushed, the highest measured value will
remain in the display, even if the measurement has concluded. In order to return to the measurement mode push the button again. The
function is signalled in the display of the meter with „MAX H". Attention! The function is not available for all the measurement values.
Button „*"
The purpose of the button is to illuminate the display of the meter. In order to activate the function push and hold the button for ap-
proximately 2 seconds. Push the button again to deactivate the function. Illumination is turned off automatically after approximately
15 seconds.
Connection of the test leads
Remove the protection caps from the plugs and connect them in accordance with the instructions. Then remove the protections of the
measurement part and proceed to measurements.
The meter is equipped with an adaptor, which facilitates measurements of small electronic elements. It is connected to the „INPUT"
and „COM" sockets, observing the rule that the pin of the adapter marked with a „+" must be plugged into the „INPUT" socket, while
the pin marked with a „-" must be plugged in the „COM" socket.
O P E R A T I N G M A N U A L
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