5.0 Torch Function
UNITEST TESTFIX and UNITEST TESTFIX electro-
nic are equipped with a torch funciton (steady bur-
ning light) when the switch is positioned to .
6.0 Maintenance
When using the instrument in compliance with the
instruction manual, no special maintenance is re-
quired. If the instrument is dirty after daily usage,
we advise to clean it by using a humid cloth and
mild household detergents.
Never use acid detergents or dissolvants.
6.1 Battery Replacement
If the instrument operation is impaired, carry out
the battery replacement.
Proceed as follows:
1. Disconnect the instrument from measurement
circuit.
2. Open the casing by pulling the rear casing cover
towards the bottom.
3. Insert new batteries, type 1,5 V IEC LR6 by re-
specting the polarity and close the casing again.
4. Connect test leads in switch position .
The beep must be clearly audible (UNITEST
TESTFIX electronic, additional green lighting of
DOUBLE LED).
Torch function
18
Transformer Testing:
If the continuity indication
is audible, the emitter-base
path is defect.
Transformer Testing:
If the continuity indication
is audible, the receiver-base
path is defect.
For NPN transformers, the polarity has to be modified for
each test
rot
schwarz
rot
schwarz
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