www.bedfont.com
17
NOxBOX
®
mobile Operating Manual
English
Calibration
The system should undergo checks to verify
the operation of the system is within expected
operating parameters. Any element found to
be operating outside of these safe operating
parameters should be reported to Bedfont or
your distributor for repair or replacement as
appropriate. Do not attempt to calibrate or repair
this device unless authorised to do so by the
manufacturer.
Flow Meters:
The NOxBOXmobile flow meters are calibrated
on N
2
with a 5psi back-pressure. The flow
readings should be checked and verified.
All calibration, repair or refurbishment of this
equipment can only be undertaken by the
original manufacturer. These are safety critical
devices and must not be tampered with as this
could put patients at risk.
Pressure Regulators:
The pressure regulator performance should be
checked and the output pressure verified as 2
bar.
All calibration, repair or refurbishment of
this equipment can only be undertaken by
the original manufacturer. These are safety
critical, high-pressure devices and must not be
tampered with as this could put all users and
patients at risk.
WARNINGS: All operational checks will need
to be performed with N
2
or NO/N
2
mixes of
the appropriate purity grade. Ensure that safe
working practices are followed. Read the safety
notices at the front of this manual for guidance.
Do not undertake these system checks without
the appropriate PPE and ventilation in place.