Dräger Scio Four, Manual, Page: 12 / 258

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12 Supplement Scio Four modules
3 Check the electrical safety according to IEC 62353.
4 Check the accuracy of the gas measurement based on a
certified test gas concentration:
– Anesthetic gas measurement
For Scio Four and Scio Four Oxi only:
2 Vol% Desflurane
Accuracy ±0.50 Vol%
For Scio Four plus and Scio Four Oxi plus only:
1 Vol% Isoflurane
1 Vol% Sevoflurane
Accuracy ±0.35 Vol%
– N
2
O measurement
For Scio Four and Scio Four Oxi only:
60 % N
2
O
Accuracy ±6.8 Vol%
For Scio Four plus and Scio Four Oxi plus only:
70 % N
2
O
Accuracy ±7.6 Vol%
– CO
2
measurement, 5 Vol%
Accuracy ±0.83 Vol%
5 Check the accuracy of the O
2
measurement:
– Ambient air 21 Vol%
Accuracy ±3 Vol%
6 Check the sampling rate of the gas analyzer:
– Accuracy 200 ±20 mL/min
7 Check the gas analyzer for leakage:
– Leakage at –200 hPa (cmH
2
O)
– <20 hPa/min (cmH
2
O/min)
Preventive maintenance
The following table shows the preventive maintenance intervals:
Calibration
The gas analyzer is self-zeroing and does not need calibration. A
yearly check of the calibration components shall be performed by
service personnel.
For further information, see chapter "Inspection".
Disposal
Disposal of the medical device
When disposing of the medical device:
 Consult the relevant waste disposal company for appropriate
disposal.

Observe the applicable laws and regulations.
For countries subject to the EU Directive 2002/96/EC
This device is subject to EU Directive 2002/96/EC (WEEE). In
order to comply with its registration according to this directive, this
device may not be disposed of at municipal collection points for
waste electrical and electronic equipment. Dräger has authorized
a company to collect and dispose of this device. To initiate collec-
tion or for further information, visit Dräger on the internet at
www.draeger.com. Use the search function with the keyword
"WEEE" to find the relevant information. If access to Dräger's web-
site is not possible, contact the local Dräger Organization.
Disposal of accessories
When disposing of the following accessories, observe the hospital
hygiene regulations. Observe the instructions for use of the
respective accessories (if provided):
– Filter, HME, HMEF
– Water trap
– Sample line
– Sample gas return kit
CAUTION
Risk of device damage
If a test current of 10 A is used in the protective conductor resis-
tent test, the medical device may be damaged.
Configure the test equipment prior testing that the test will be
performed only with 200 mA (DC).
NOTE
Only the appliance inlet of the power supply unit is connected to
the protective ground.
NOTE
To dispose of the anesthetic gas, connect the device to the scav-
enging system.
WARNING
Risk of faulty components
Device failure is possible due to wear or material fatigue of
the components.
To maintain the proper operation of all components, this
device must undergo inspection and preventive mainte-
nance at specified intervals.
WARNING
Risk of electric shock
Before performing any maintenance work, disconnect all
electrical connectors from power supply.
Component Interval Task Responsible
person
Fan filter mat Every year Exchange Service per-
sonnel
Bacterial filter
of sample gas
return kit Every 2 years Exchange Service per-
sonnel
O-rings on the
water trap
mount Every 2 years Exchange Service per-
sonnel
WARNING
Risk of infection
The device and its components must be disinfected and
cleaned before disposal.