I have a question on how to do the Gas Sampling System Leak Test on this unit. The instructions read "Block the Reference Gas In" and "Sample Gas Out" connectors." I'm left wondering if we are to physically obstruct the reference gas in (which I believe can only be the oxygen reference gas inlet) connector, or do we pinch the line inside to block it. I don't like the idea of pinching the tubing, but...
PM Question - Gas Sampling System Leak Test

11. Occlusion detection
a. Block the tip of the sampling line by your finger.
b. Check that a 'Sample line blocked' and a ‘Low sample flow’ message appear on the
screen within 30 seconds.
12. Air Leak detection
a. Detach the D-fend Pro water trap.
b. Check that the message 'Check Water Trap' appears on the screen within 30
seconds.
c. Attach the water trap.
13. Gas exhaust blockage
a. Block the gas exhaust connector with your finger.
b. Check that the message 'Sample gas out' appears on the screen within 30
seconds.
14. Airway Gases
a. Breathe a minimum of 5 times to the tip of the sampling line.
b. Check that a normal CO2 waveform appears and the EtCO2 and FiCO2 values are
updated on the screen .
15. Apnea detection
a. Stop breathing to the gas sampling line.
b. Check that an 'Apnea' alarm appears on the screen within 30 seconds.
Brent SilviusAnesthesia TechnicianBiomedical Sales and ServicesMercuryMed.com
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When leak testing anesthesia machines & ventilators I just use cork or rubber stoppers rather than 'cross-clamping' any tube with, for example a Kelly Forceps.
Regards, Michel.
C. Michel Bessette, RRT (Canada #72-659)
Servicios Tecnicos CMB7
644 Merkley Drive,
Ottawa, Canada K4A 1L4
serviciostecnicoscmb7@gmail.com
Mobile: 6138185321
Bio-Medical Technological Services: Compressed Gas Systems Specialist Hyperbaric Chamber Technologist Services in: English, Français & Español
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Thanks for the responses. I've ordered some small diameter silicone plugs for the front.
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