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NOTE
The gas analyzer needs to be in operation mode for more than
10 min before checking the accuracy of the gas measurement.
1
Check accompanying documents:
–
Instructions for use are available in the correct version
2
Verify that the gas analyzer is in good condition:
–
Labels are complete and legible
–
No visible damage on:
Housing
External power supply and power cable
Water trap holder, especially o-rings
Gas exhaust
–
Power indicator: Green steady light
3
Check the electrical safety according to IEC 62353.
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.
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
O measurement
2
For Scio Four and Scio Four Oxi only:
60 % N
O
2
Accuracy ±6.8 Vol%
For Scio Four plus and Scio Four Oxi plus only:
70 % N
O
2
Accuracy ±7.6 Vol%
–
CO
measurement, 5 Vol%
2
Accuracy ±0.83 Vol%
5
Check the accuracy of the O
–
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:
12
measurement:
2
–
Leakage at –200 hPa (cmH
–
<20 hPa/min (cmH
O/min)
2
Maintenance
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
Disconnect all electrical connectors from power supply,
before opening the enclosure.
The following table shows the preventive maintenance intervals:
Component
Interval
Fan filter mat
Every year
Bacterial filter
Every year
of sample gas
return kit
O-rings on the
Every 2 years
water trap
holder
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
WARNING
Risk due to inappropriately reprocessed products
The product may be contaminated with infectious agents.
Before disposal, reprocess the product in accordance with
the chapter "Reprocessing".
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
O)
2
Task
Responsible
person
Exchange
Service per-
sonnel
Exchange
Service per-
sonnel
Exchange
Service per-
sonnel
Supplement Scio Four modules
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