T-IM114b P53/62
T20
Series
OPERATION TABLE
9.10.2 Audible
Audible alarm indication is provided (a double ‘beep’
repeating every eight seconds) to warn that the table has
been left ‘on’ for an extended period and should be switched
‘off’ (see section 8.1 for more information). A single ‘beep’
also sounds when the table is switched ‘on’.
9.11 Electromagnetic compatibility (EMC)
9.11.1 Interference considerations
The Eschmann T20 Series of tables have been designed
and manufactured in such a way as to remove, or minimise
as far as possible, risks connected with reasonably
foreseeable environmental conditions such as magnetic
fields and external electrical influences (i.e. electrical
interference). The risks of electrical interference from or to
other devices normally used with these tables have been
taken into account. The steps taken to achieve this are to
ensure compliance with relevant international
electromedical standards {i.e. EN 60601-1-2:2001)
regarding electromagnetic compatibility. This compliance
has been confirmed by independent testing. However it is
not possible to simulate all the conditions that may be
encountered, the compliance testing therefore provides
only a very good indication as to the susceptibility or
suppression of emissions to or from a device.
It is highly unlikely that any electrical interference problems
will be encountered with these tables. However, should
such interference be suspected, the following the following
guidance is provided.
9.11.2 Interference from other equipment
The Eschmann T20 Series of tables have been designed
to ensure that when using them in close proximity with ‘other
correctly designed’ electrical equipment, interference with
the tables control systems does not occur. Eschmann cannot
guarantee that other equipment used in an operating theatre
is properly constructed so as to avoid electrical interference
with them. This could be a problem particularly with very old
equipment (i.e. it does not conform to the latest standards).
In the unlikely event that electromagnetic interference is
caused by ‘other’ noncompliant equipment, such ‘other’
equipment should not be activated at the same time these
tables are switched ‘on’ and their control systems are active.
9.11.3 Interference with other equipment
The Eschmann T20 Series of tables have been designed
to ensure that when used in close proximity with other
correctly designed equipment they do not cause
interference with such other correctly designed equipment.
Eschmann cannot guarantee that other equipment used
in an operating theatre is properly constructed to withstand
electrical interference with adjacent equipment. This could
be a problem particularly with very old equipment (i.e. it
does not conform to the latest standards). In the unlikely
event that electromagnetic interference is experienced with
these tables, the other equipment should not be activated
at the same time as the tables are switched ‘on’ and their
control systems are active.
9.11.4 RF communications equipment
As with all medical electrical equipment the user should
be aware that portable and mobile RF communications
equipment can affect medical electrical equipment such
as these tables.
9.11.5 Accessories
As with all medical electrical equipment, and in line with
the latest European standard (EN 60606-1-2:2001) the user
should be warned that the use of accessories, transducers
and cables other than those specified below (with the
exception of those sold by Eschmann Equipment as
replacement parts for internal components) may result in
increased emissions or decreased immunity of the these
tables and their associated accessories.
The following Eschmann Equipment accessories can be
used with these tables without affecting the table’s
electromagnetic compatibility with subclauses 36.201 and
36.202 of EN60601-1-2:2001. Other similar accessories
or equivalents that could affect compliance with the
requirements of subclauses 36.201 and 36.202 of
EN60601-1-2:2001 should not be used.
Mains cord (for part number see section 7.0).
T00-5300001 Handset, blue, (UK side rail)
T00-5400001 Handset, purple, (UK side rail)
(also, other handsets for non UK side rail)
All the other accessories listed in section 7.0 are designed
for use with the Eschmann T20 Series of tables and have
no EMC implications.
9.11.6 Installation
WARNING
The T20 Series tables should not be stacked
with other equipment. If used adjacent to other
equipment these tables should be observed to
verify normal operation in the configuration in
which it will be used.
The Eschmann T20 Series of tables have been tested for
use in close proximity with other equipment and should be
installed in accordance with the EMC tables that follow in
section 9.11.7.
9.11.7 EMC tables
The following guidance (in table format) is provided in line
with EN60601-1-2:2001. The table references (i.e. 201,
202, etc.) are those used within the standard. All other
tables referenced within the standard do not apply to the
T20 Series of table.
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