Rohde & Schwarz HMC8012, User Manual

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39
General Information and Safety
1.9 Mains Voltage
Prior to operating the instrument, please check if the avai-
lable mains voltage (115 V or 230 V ±10%, 50-60 Hz) cor-
responds to the value indicated on the voltage selector of
the instrument. If this is not the case, the main voltage will
need to be switched. The voltage selector is located on the
back of the instrument.
The instrument is equipped with a mains fuse which is
located in the rubber connector on the back of the casing.
The correct fuse type must be used in accordance with the
specified mains voltage.
❙ If setting is 115 V: T1L250V
❙ If setting is 230 V: T500L250V
The measuring circuit is equipped with two fuses for over-
current protection. The user may replace one of the fuses
(type: F10H250V) on the front panel of the instrument. An
additional fuse is built into the instrument; however, this is
not intended to be replaced by the user.
1.10 Limits
The ¸HMC8012 multimeter is equipped with a protec-
tive overload feature. The protective overload feature pre-
vents damage to the instrument and is intended to protect
against a possible electrical shock. The maximum values
for the instrument must not be exceeded. The protection
limits are listed on the front panel of the ¸HMC8012 to
ensure the safe operation of the instrument. These protec-
tion limits must be adhered to:
Max. input voltage:
1000 V
peak
(DC) or 750 V
RMS
(AC)
Max. input current:
10 A (max. 250 V) protected by fuse
F10H250V (on the front panel of the
instrument)
Max. voltage between connector V+ and ground:
1000 V
peak
Max. voltage between connector COM and ground:
600 V
peak
Power supply:
115 V / 230 V ±10%,
switchable by voltage selector on the back panel of
the instrument
Frequency:
50 Hz / 60 Hz
If the instrument is to remain unattended for a longer time period,
it must be switched off at the mains switch for safety reasons.
Fig. 1.2: Rear panel of the HMC with voltage selector and connectors
Power consumption:
25 W maximum, 15 W typical
1.11 Batteries and Rechargeable Batteries/Cells
1. Cells must not be disassembled, opened or crushed.
2. Cells and batteries may not be explosed to heat or fire.
Storage in direct sunlight must be avoided. Keep cells
and batteries clean and dry. Clean soiled connectors
using a dry, clean cloth.
3. Cells or batteries must not be short-circuited. Cells or
batteries must not be stored in a box or in a drawer
where they can short-circuit each other, or where they
can be short-circuited by other conductive materials.
Cells and batteries must not be removed from their ori-
ginal packaging until they are ready to be used.
4. Keep cells and batteries out of reach of children. Seek
medical assistance immediately if a cell or battery was
swallowed.
5. Cells and batteries must not be exposed to any mecha-
nical shocks that are stronger than permitted.
6. If a cell develops a leak, the fluid must not be allowed
to come into contact with the skin or eyes. If contact
occurs, wash the affected area with plenty of water and
seek medical assistance.
7. Improperly replacing or charging cells or batteries can
cause explosions. Replace cells or batteries only with
the matching type in order to ensure the safety of the
product.
8. Cells and batteries must be recycled and kept separate
from residual waste. Cells and batteries must be recyc-
led and kept separate from residual waste. Recharge-
able batteries and normal batteries that contain lead,
mercury or cadmium are hazardous waste. Observe
the national regulations regarding waste disposal and
recycling.
Fig. 1.3: Connectors on the front panel of the instrument
If the information regarding batteries and rechargeable batter-
ies/cells is not observed either at all or to the extent necessary,
product users may be exposed to the risk of explosions, fire and/or
serious personal injury, and, in some cases, death. Batteries and
rechargeable batteries with alkaline electrolytes (e.g. lithium cells)
must be handled in accordance with the EN 62133 standard.