General Guidelines
Calibration
5 - 4
5.3
General Guidelines
1.
Before disconnecting any pneumatic hoses, the hoses and mating fittings should be
tagged to show the proper connections. When reconnecting, all hoses must be checked
for proper connection. To further assure proper connection, all pneumatic calibrations
and tests defined in this manual should be accomplished before use on a patient.
2.
Once the instrument covers have been removed, an electric shock hazard may exist.
Therefore, calibration should only be performed by qualified service personnel who
proceed with care and follow proper servicing techniques.
3.
Do not attempt to calibrate the instrument without the test equipment and tools listed in
this manual.
4.
Exercise care when reaching into the opened instrument which contains line (mains)
voltage.
5.
When making adjustments and measurements, avoid accidental shorting of component
leads that can result in component failure.
6.
Perform all steps in the order given. Do not skip any steps unless noted.
7.
Understand each step of the procedure thoroughly before performing the procedure.
8.
Before removing or replacing any circuit boards, disconnect the
from line
power, switch the Mains Switch to the OFF position, and disconnect the negative
terminal from the battery.
5.4
Test Equipment and Special Tools Required
See “Special Tools Required” on page 3-3, for a list of tools required for calibration.
5.5
Calibration Procedures
NOTE:
The following calibration procedures must be performed in
sequence.
5.5.1
Oxygen Sensor Calibration
NOTE:
See ‘‘Periodic Maintenance Schedule of Service Activities’’
on page 6-2 for when to calibrate the oxygen sensor.
1. Preparing the unit
a.
Allow the breathing system to warm up and reach thermal equilibrium
(approximately 30-60 minutes).
b.
In Standby mode, press the
MENU
button. The menu screen will appear.
c.
Select
Service
, then input the password
2010
to enter the Service screen.
d.
Select
Calibration
to enter the Calibration screen.
e.
Select
Oxygen Sensor
to enter the Oxygen Sensor Calibration screen.
2. Calibration
NOTE:
Do not shake the O
2
sensor during calibration.
NOTE:
During calibration, keep the O
2
sensor in a vertical position,
connector side up, and bottom side exposed to room air;
keep the O
2
sensor near the heated block to minimize the
temperature difference from within the heated block.
Summary of Contents for Datascope AS 3000
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