11
NOTE 1:
U
T
is the A.C. mains voltage prior to application of the test level
NOTE 2:
At 80 MHz and 800 MHz, the higher frequency range applies
NOTE 3:
These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reflection from structures, objects and people.
The ISM (industrial, scientific and medical) bands between 150 kHz and 80 MHz are 6.765 MHz to 6.795 MHz;
13.553 MHz to 13.567 MHz; 26.957 MHz to 27.283 MHz; and 40.66 MHz to 40.70 MHz.
The compliance levels in the ISM frequency bands between 150 kHz and 80 MHz and in the frequency range 80
MHz to 2.5 GHz are intended to decrease the likelihood that mobile/portable communications equipment could
cause interference if it is inadvertently brought into patient areas. For this reason, an
additional factor of 10/3 Is used in calculating the recommended separation distance for transmitters in these
frequency ranges.
Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land
mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with
accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey
should be considered. If the measured field strength in the location in which the NOxBOX
i
is used exceeds the
applicable RF compliance level above, the NOxBOX
i
should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as reorienting or relocating the NOxBOX
i
.
Over the frequency ranges 150 kHz to 80 MHz, field strength should be less than 3 V/m.
2.5 Network Connections
The device is not to be connected to a network.
The system is provided with a USB port. This is solely for the purpose of downloading system logs
for record and analysis by a suitably qualified Systems Engineer.
2.6 Applied Parts
The system has no applied parts. However the NOxFlow and Sample Line are treated as applied
parts (apart from labelling requirements) as per BS EN 60601-1:2006 Section 4.6.
2.7 Isolation from Mains
WARNING:
Operator should not contact the patient whilst simultaneously being in
contact with the NOxBOX
i
device.
Shutdown of the system is covered in section 6.13 Shutdown.
In order to isolate the system from the mains unplug the Mains Power Supply. Do not position the
system so that this is difficult to do.
Summary of Contents for NOxBOX mobile
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