Cleaning
Prior to cleaning, remove voltage tester
from all measurement circuits. If the instru-
ment is dirty after daily usage, it is advise-
able clean it by using a damp cloth and a
mild household detergent. Never use acid
detergents or dissolvents for cleaning.
After cleaning, do not use the voltage tes-
ter for a period of approx. 5 hours.
Calibration Interval
The voltage testers must be calibrated pe-
riodically and checked by our service de-
partment at regular intervals to ensure the
specified accuracy of measurement re-
sults. We recommend a calibration interval
of one year.
Battery Replacement
If no signal sound is audible when shorting
the test probe sproceed with the battery re-
placement.
• Completely disconnect FLUKE T50 from
the measurement circuit.
• Turn the screw (left) in the case (down,
direction of the arrow). Then open and
remove it.
• Remove discharge batteries.
• Replace with new batteries, type 1.5V IEC
LR03 AAA respecting correct polarity.
• Insert the battery case and close it.
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