Subject to change without notice
6
operation the instrument should be used in the horizontal
position, preferably tilted upwards, resting on the tilt handle.
The specifications stating tolerances are only valid if
the instrument has warmed up for 30minutes at an
ambient temperature b15°C (+59°F) and +30°C
(+86°F). Values without tolerances are typical for an
average instrument.
EMC
This instrument conforms to the European standards
regarding the electromagnetic compatibility. The applied
standards are: Generic immunity standard EN50082-2:1995
(for industrial environment) Generic emission standard
EN50081-1:1992 ( for residential, commercial und light
industry environment).
This means that the instrument has been tested to the highest
standards.
Please note that under the influence of strong
electromagnetic fields, such signals may be superimposed
on the measured signals. Under certain conditions this is
unavoidable due to the instrument‘s high input sensitivity,
high input impedance and bandwidth. Shielded measuring
cables, shielding and earthing of the device under test may
reduce or eliminate those effect‘s.
Warranty
HAMEG warrants to its Customers that the products it
manufactures and sells will be free from defects in materials
and workmaship
for a period of 2 years
. This warranty shall
not apply to any defect, failure or damage caused by improper
use or inadequate maintenance and care. HAMEG shall not
obliged to provide service under this warranty to repair
damage resulting from attempts by personnel other than
HAMEG represantatives to install, repair, service or modify
these products.
In order to obtain service under this warranty, Customers
must contact and notify the distributor who has sold the
product.
Each instrument is subjected to a quality test with 10 hour
burn-in before leaving the production. Practically all early
failures are detected by this method. In the case of shipments
by post, rail or carrier it is recommended that the original
packing is carefully preserved. Transport damages and
damage due to gross negligence are not covered by the
guarantee.
In the case of a complaint, a label should be attached to the
housing of the instrument which describes briefly the faults
observed. If at the same time the name and telephone
number (dialing code and telephone or direct number or
department designation) is stated for possible queries, this
helps towards speeding up the processing of guarantee
claims.
Maintenance
Various important properties of the oscilloscope should be
carefully checked at certain intervals. Only in this way is it
largely certain that all signals are displayed with the accuracy
on which the technical data are based. The test methods
described in the test plan of this manual can be performed
without great expenditure on measuring instruments.
However, purchase of the
HAMEG scope tester HZ 60
,
which despite its low price is highly suitable for tasks of this
type, is very much recommended.
The exterior of the oscilloscope should be cleaned regularly
with a dusting brush. Dirt which is difficult to remove on the
casing and handle, the plastic and aluminium parts, can be
removed with a moistened cloth (99% water +1% mild
detergent). Spirit or washing benzine (petroleum ether) can
be used to remove greasy dirt. The screen may be cleaned
with water or washing benzine (but not with spirit (alcohol)
or solvents), it must then be wiped with a dry clean lint-free
cloth. Under no circumstances may the cleaning fluid get
into the instrument. The use of other cleaning agents can
attack the plastic and paint surfaces.
Protective Switch-Off
This instrument is equipped with a switch mode power supply.
It has both overvoltage and overload protection, which will
cause the switch mode supply to limit power consumption
to a minimum.
In this case a ticking noise may be heard.
Power supply
The oscilloscope operates on mains/line voltages between
100VAC and 240VAC. No means of switching to different
input voltages has therefore been provided.
The power input fuses are externally accessible. The
fuseholder is located above the 3-pole power connector.
The power input fuses are externally accessible, if the rubber
conector is removed. The fuseholder can be released by
pressing its plastic retainers with the aid of a small
screwdriver. The retainers are located on the right and left
side of the holder and must be pressed towards the center.
The fuse(s) can then be replaced and pressed in until locked
on both sides.
Use of patched fuses or short-circuiting of the fuseholder is
not permissible; HAMEG assumes no liability whatsoever for
any damage caused as a result, and all warranty claims
become null and void.
Fuse type:
Size 5x20mm; 0.8A, 250V AC fuse;
must meet IEC specification 127,
Sheet III (or DIN 41 662
or DIN 41 571, sheet 3).
Time characteristic: time-lag (T).
Attention!
There is a fuse located inside the instrument within
the switch mode power supply:
Size 5x20mm; 0.5A, 250V AC fuse;
must meet IEC specification 127,
Sheet III (or DIN 41 662
or DIN 41 571, sheet 3).
Time characteristic: fast (F).
This fuse must not be replaced by the operator!
