Blease 8500 - Page 39

Title: Final Test 8500 Document No: 129TP000 Sheet 12 of 17
BLEASE QUALITY DOCUMENT
BQD 083.V2
25/5/94 Checked:-________
5.20 PEEP Test
Return circuit to as shown in 5.1. Set ventilatory controls to TV = 500ml , Freq = 12 BPM
Ratio = 1:2.0.
Set peep to 3cm H
2
O, check on the Calibration Analyser this is achieved within 5 breaths
Set peep to 20cm H
2
O, check on the Calibration Analyser this is achieved within 5 breaths
Set peep to 10cm H
2
O, check on the Calibration Analyser this is achieved within 5 breaths
Set peep to OFF, check on the Calibration Analyser this is achieved within 2 breaths
Allowable tolerances Set = measured
±
0.5cm H
2
0
5.21 Hardware Pressure Overload
With the ventilator in Adult CMV mode with settings at default, connect to a C5 lung.
Run the Test I/O diagnostics as described in Section 5.4. Position the cursor on line 1 of
page 1, to disable software limiting.
Increase delivered volume until the hardware pressure limit is triggered. Note the peak
delivered pressure.
Press CNTL+E to exit the PC calibration screen
5.22 Fresh Gas
With the unit in STANDBY set flows below and record the measured values.
Set 0 LPM flow check 0 +0.1 LPM measured
Set 1 LPM flow check 1
±
0.2 LPM measured
Set 3 LPM flow check 3 ± 0.5 LPM measured
Set 5 LPM flow check 5 ± 0.5 LPM measured
Set 10 LPM flow check 10 ± 0.5 LPM measured
5.23 O
2
Test
Plug O
2
sensor in to rear of 8500. Place sensor in gas flow and check that the reading is within
2% of the delivered O
2
level at levels of 100%, 50% and 21%. Check that when the sensor is
unplugged the display says OFF.