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3-4 Issue 05, 02/00 Krautkramer USN 52R/USN 52L
Using the battery charger
The power supply/charger unit for USN 52R/USN 52L
automatically adjusts itself fo the existing supply volt-
age in the range from 80 to 250 V.
The connection for the combined power supply/charger
unit is at the rear of the instrument (see following figure).
LED Status
LED off - instrument is switched off
- no NiCd batteries in the
insturment
- instrument is set to AlMn
LED on - instrument is switched on
- NiCd batteries are being
charged
LED flashes - instrument is switched off
- NiCd batteries are fully
charged (trickle charge)
A Attention:
If you have inserted AlMn cells and the switch is set to
NiCd, the internal charge of the cells will be isolated. In
this case, the AlMn cells will become quickly hot and
the pressure in the cells will cause a leakage of electro-
lyte after a short period of time. This strongly caustic
fluid can damage the instrument!
Only use the batteries that we recommend. There is a
danger of explosion if the charger and the batteries are
incorrectly used.
Setting into operation
Positioning the USN 52R/USN 52L
Connection supply/battery charger
When using the power supply/charger unit you are able
to simultaneously charge NiCd cells in the USN 52 R
and operate the instrument. The power supply/charger
unit requires 4 to 7 hours in order to fully charge the
NiCd cells.
The green LED indicates that the power supply/charger
unit is connected to mains.
The yellow LED of the power supply/charger unit indi-
cates the operational status:
3-4 Issue 05, 02/00 Krautkramer USN 52R/USN 52L
Using the battery charger
The power supply/charger unit for USN 52R/USN 52L
automatically adjusts itself fo the existing supply volt-
age in the range from 80 to 250 V.
The connection for the combined power supply/charger
unit is at the rear of the instrument (see following figure).
LED Status
LED off - instrument is switched off
- no NiCd batteries in the
insturment
- instrument is set to AlMn
LED on - instrument is switched on
- NiCd batteries are being
charged
LED flashes - instrument is switched off
- NiCd batteries are fully
charged (trickle charge)
A Attention:
If you have inserted AlMn cells and the switch is set to
NiCd, the internal charge of the cells will be isolated. In
this case, the AlMn cells will become quickly hot and
the pressure in the cells will cause a leakage of electro-
lyte after a short period of time. This strongly caustic
fluid can damage the instrument!
Only use the batteries that we recommend. There is a
danger of explosion if the charger and the batteries are
incorrectly used.
Setting into operation
Positioning the USN 52R/USN 52L
Connection supply/battery charger
When using the power supply/charger unit you are able
to simultaneously charge NiCd cells in the USN 52 R
and operate the instrument. The power supply/charger
unit requires 4 to 7 hours in order to fully charge the
NiCd cells.
The green LED indicates that the power supply/charger
unit is connected to mains.
The yellow LED of the power supply/charger unit indi-
cates the operational status: