Sentec AG, Ringstrasse 39, CH-4106 Therwil, Switzerland, www.sentec.com
HB-010103-e Date of release: 01/2022
4
Electromagnetic interferences
Electrostatic discharge and transient bursts from mains may temporarily interfere with the
measurement. This can lead to wrong measurements.
Equipment emits electromagnetic fields. This can, for example, disturb other medical devices
or Radio Services.
The SDM should not be used adjacent to or stacked with other equipment as these can cause
electromagnetic interference and thereby result in incorrect measurements. If adjacent or
stacked use is necessary, the SDM should be observed to verify normal operation in the
configuration it is to be used.
Interference from interventional devices
The SDM is protected against electrostatic/ defibrillator discharge. Parameter display may be
temporarily affected during electrostatic discharge/defibrillation, but will rapidly recover.
Nevertheless, during electro-surgery the SDM, sensor and cables are to be physically separated
from the electro-surgical equipment. The sensor must not be placed between cutting and
counter electrode.
Radio equipment
Portable RF communications equipment (including peripherals such as antenna cables and
external antennas) should be used no closer than 30 cm (12 inches) to any part of the SDM,
including cables specified by the manufacturer. Wireless mobile devices must be held away
from the SDMS by at least 1 m (39.4 inches). Otherwise, degradation of the performance of this
equipment and at worst, incorrect measurements could result.
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