MEGABRAS MPK-253 Guia Del Usuario página 7

5. The PRESS START message will appear showing that measurement can
be started. Press the START
TEST CURRENT
6. Turning the TEST CURRENT
Adjust this control until obtaining the desired value or until the current indi-
cator (bar-graph) indicates 100%. The bar-graph will show the test current
value as a percentage of the nominal value selected by using the CUR-
RENT SELECTOR .
7. The lowest current for measuring is 10 % of the scale nominal value. It is
important to consider that the measurement errors increase while test cur-
rent decreases. The error is specified for test currents higher than 80%.
8. The DISPLAY
sponding unit (Ω [ohms], mΩ [milli-ohms] or µΩ [micro-ohms]).
9. That value can be retained in the display by pressing the HOLD
Pressing this key again, the value will be erased.
10. Press the STOP
11. Finally, when finishing measurements, turn the equipment off using the
ON/OFF switch.
Precaution: Do not connect or disconnect the test leads during the measurement.
Messages
MEGABRAS MPK-253
When turning the equipment on using the ON/OFF
message appears for a while. During that time, the equipment carries out some
functional checking.
switch. Depending on the position of the
control the LOW CURRENT message will turn up.
control clockwise increases the current.
will show the resistance value measured and the corre-
switch in order to finish the measurement.
9
switch, this introductory
key.