General Information; Transport; Safety; Operating Conditions - Hameg Instruments Hd 148 Bedienungsanleitung

Symbols
ATTENTION - refer
LA Danger - High voltage
Protective ground (earth) terminal

Transport

Immediately after being unpacked, the unit should be
inspected for visible damage. If any damage has occurred
during transport, the shipping agent (railway, post office
or shipping company) must be informed and inspection of
the unit arranged for. The unit should not be used under
any circumstances.

Safety

This instrument has been designed and tested in accor-
dance with IEC Publication
ments for electrical equipment
control, and laboratory use. The CENELEC regulations
EN 61010-1 correspond to this standard. It has left the
factory in a safe condition. In accordance with Safety
Class I as defined in those standards,
chassis parts are connected
conductor of the power cord.
For safe system operation, this unit must only be connected
to oscilloscopes with a protective
(Safety Class l). This unit may only be connected
properly designed and installed grounding outlets.
Warning
It is not permissible to interrupt the grounded wire either
inside or outside of the unit.
The unit may not be opened or shut unless it has first been
isolated from all external voltages.
If it should be absolutely essential to carry out measure-
ments, troubleshooting
unit while it is being operated, then this work must be
performed by a qualified technician who is familiar with
the associated risks.
Operating conditions
The permissible ambient temperature
is +100C to +400C; for transport
temperatures between—400C and +700C are permissible.
Any location may be chosen for operation as long as the
ventilation openings are not covered.

Warranty

Each unit is subjected to continuous operation over a period
of 10 hours, followed by complete testing of all functions and
performance, prior to leaving the factory. It is nevertheless
possible for premature component failure to occur.
Subject to change without notice
to manual
1010-1, Safety require-
for measurement,
all housing and
to the protective
ground connection
or adjustments on the opened
range for operation
and storage
For this reason, a2-year functional
all HAMEG equipment. This warranty is voided if any
changes are made on the unit.
The warranty does not cover damage caused during
transport.
To prevent damage from occurring during transport, we
recommend shipping the unit only in its original packaging.
To facilitate speedy processing,
note to the unit listing the problem, your name and full
telephone number (including prefix(es)), in addition to the
usual shipping documentation.

Maintenance

This unit requires no maintenance.
The outside of the unit should be regularly cleaned with a
fine brush to remove
by going over it with a moistened
detergent). Care must be taken to prevent any liquid from
penetrating into the unit.
The unit must
paper drawerl
ground
Switching over the mains/line
The instrument
to
delivery. It can be switched over to other voltages at the
fuse holder combined with the 3-pole appliance inlet at the
rear of the instrument. Firstly the fuse holder printed with
the voltage values is removed using a small screw driver
and - if required - provided with another fuse. Refer to the
table below for the prescribed value of the fuse. Then
replace the fuse holder so that the impressed
triangle points to the desired voltage. Here pay attention
that the cover plate is also correctly engaged. The use of
repaired fuses or short circuiting the fuse holder is not
allowed. Damage arising because of this is not covered by
the guarantee.
only,
Fuse type: Size 5 x 20 mm; 250 \.L, C;
IEC 127, Sheet Ill; DIN 41 662 (possibly DIN 41 571
sheet 3).
Cutoff: medium
Line voltage
110
125
220
240
General information
warrantyis
it is advisable to attach a
dust. Stubborn dirt can be removed
cloth (water + 1 % mild
be switched off before
voltage
is set for 220V (240V U. K.) line voltage on
220
OLL
(M).
Fuse rating
M 1,6A
MI,6A
M o,8A
granted on
opening the
white
ENGLISH •3