User`s guide

M3000A/M3046AM3015A/M3016A Service Guide
4-10 Testing the Instrument
Preventive Maintenance Tests
Preventive Maintenance refers specifically to the series of tests required to make sure the
Instrument measurement results are accurate. When authorized Agilent Technologies
personnel service the Instrument, they will report these results back to Agilent. The collected
data forms a database to be used in product development. The measurements requiring these
reported tests are NBP and sidestream CO
2
. It is not necessary, however, for hospital
personnel to report these results.
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This test checks the performance of the non-invasive blood pressure parameter. The NBP
accuracy test is required once per year and when the Instrument is repaired or when
Instrument parts are replaced.
Connect the equipment as shown in the following:
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• Reference manometer (includes hand pump and valve), accuracy 0.2% of reading.
• Expansion chamber (volume 250 ml +/- 10%). (Or alternatively, an NBP cuff can be used.
When using a cuff, take care not to move it or touch it during the procedure as this can
cause the calibration to fail.)
• Appropriate tubing.
127( In Service Mode, the systolic and diastolic readings indicate the noise of NBP
channels one and two respectively. When static pressure is applied, the reading in NBP
channel 1 should be below 50. The value in parentheses indicates the actual pressure applied
to the system.
6WHS Connect the manometer and the pump with tubing to the NBP connector on the
Measurement Server and to the expansion chamber.
6WHS Go to Service Mode.
6WHS Select the NBP setup.
Expansion Chamber
Manometer
To NBP Input
Tubing