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To measure the frequency of the electrical supply:
1. Set the instrument to the [Hz] range.
2. Connect the GREEN or (L0) lead to the protective Earth (PE) and the
RED or (L1) lead to the phase to be measured.
3. The instrument will display the frequency in Hz.
FREQUENCY HZ (RCDT320 ONLY)
REPLACING BATTERIES AND FUSES
Batteries
Battery type:
8 x LR6 (AA), 1.5 V Alkaline, or 8 x 1.2V NiCAD, or
8 x 1.2V NiMH
Low battery warning symbol
The battery condition is continuously displayed by the symbol
.
When the batteries are exhausted, symbol will show
and
testing is inhibited.
If symbol appears with new batteries, check for correct polarity.
NOTE:
Fully charged NiMH or NiCAD rechargeable batteries show a
lower charge than Alkaline batteries, and my not give much warning
before becoming exhausted.
To replace batteries
Warning:
Do not switch the instrument on with the battery cover
removed.
1. Switch off the instrument and disconnect (the instrument) from any
electrical circuits.
2. The rear cover
must not
be opened if the test leads are connected.
3. To avoid the possibility of electric shock, do not press the test button
or touch the fuse when changing batteries.
4. To remove the rear cover release the screw at the bottom of the
cover and lift the cover upwards.
5. Remove the dead cells.
6. Refit new batteries observing the correct polarity as marked on the
battery compartment.
7. Replace the cover.
Warning: -
Incorrect battery cell polarity can cause electrolyte leakage,
resulting in damage to the instrument. If the battery condition indicator
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