This test checks the performance of the SpO
required once every two years.
Tools required: none
This test checks the performance of the mainstream CO
performance test is required once per day and when the Instrument is repaired or when
Instrument parts are replaced.
This mainstream CO
Use. There is no requirement for additional tests to be performed by the Service Engineer or
Nurse Call Relay Performance Test
This test checks the operation of the Nurse Call Relay. The Nurse Call Relay test is
recommended for customer sites where the nurse call is in use. It should be performed once
every two years and when the Instrument is repaired or when Instrument parts are replaced.
The Nurse Call relay functions as follows:
• Standard Operation—Relay open.
• Alarm Condition—Relay closed.
Tools required: Ohmmeter.
When an alarm occurs, the relay contacts close.
The conditions described above are the unmodified conditions. Please check accordingly if
the Nurse Call Alarm relays have been modified (see "Modification for Nurse Call Alarm
Relays" on page 76).
Testing the Instrument
Connect an adult SpO
Measure the SpO
value on your finger (this assumes that you are healthy).
The value should be between 95% and 100%
performance test is a User task and is described in the Instructions for
Plug a phono connector into the Nurse Call Relay connector.
Connect the ohmmeter.
If no alarm occurs, the relay contacts are open.
Accuracy and Performance Procedures
parameter. The SpO
transducer to the SpO
connector on the Measurement
parameter. The mainstream CO
performance test is