Maxtec MaxVenturi R211P03 Operating Manual & Instructions For Use Download Page 17

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 6.0 CHANGING THE OXYGEN SENSOR

NOTE: 

For new sensor installation, follow procedure for new sensor installation in section 2.1.

 7.0 CLEANING AND MAINTENANCE

Store the MaxVenturi at a temperature similar to that of its daily use.

7.1 Routine Maintenance

 

Maxtec recommends the performance check listed in the MaxVenturi 
Preventive Maintenance Manual be conducted prior to placing the MaxVenturi 
into clinical use and periodically thereafter. If the MaxVenturi does not function 
as described in the performance check, discontinue use of the device pending 
service by trained technicians or contact your Maxtec distributor or Maxtec at:
2305 South 1070 West Salt Lake City, Utah 84119.
The MaxVenturi's flow and O

2

 adjustment valves should be replaced as needed. 

The full MaxVenturi device should be overhauled and serviced a minimum of every 4 
years with R211P30-001 and R211P30-002 to replace all O-rings, valves and knobs.

7.2 Device Cleaning

When cleaning or disinfecting the exterior of the MaxVenturi, take appropriate 

care to prevent any solution from entering the device. Do not immerse 

device in fluids. MaxVenturi external surfaces may be cleaned using a cloth 
moistened with 65-70% isopropyl alcohol/water solution or a germicidal wipe.

7.3 Oxygen Sensor Cleaning

Clean the sensor with a cloth moistened with 65-70% isopropyl alcohol/water solution.

» Maxtec does not recommend use of spray disinfectants because they can contain     

   salts which can accumulate in the sensor membrane and impair readings.

» The oxygen sensor is not intended for steam, ethylene oxide or radiation sterilization.

2

3

1

Turn off analyzer.

Disconnect sensor from 

sensor cable.

Remove sensor from 

sensor port. Dispose of 

sensor according to local 

guidelines.

Summary of Contents for MaxVenturi R211P03

Page 1: ...O P E R A T I N G M A N U A L I N S T R U C T I O N S F O R U S E R211M03 Rev Q R 2 1 1 P 0 3 MaxVenturi A B C D E F 60 50 40 30 20 10 02...

Page 2: ......

Page 3: ...ars from the date of shipment from Maxtec Based on Maxtec s product evaluation Maxtec s sole obligation under the foregoing warranty is limited to making replacements repairs or issuing credit for equ...

Page 4: ...l times by the filter listed in the disposables list The inlet filter prevents entrainment of ambient contamination and silences venturi noise The filter provided with the MaxVenturi is single patient...

Page 5: ...ult in false readings from the flow meter The MaxVenturi is not intended for steam ethylene oxide or radiation sterilization DO NOT clean with ethanol or acetone After cleaning and before use on a pat...

Page 6: ...ent Interfaces 7 2 5 3 Inlet Filter 9 3 0 FACTORS INFLUENCING ACCURATE READINGS 9 3 1 Elevation Pressure Changes 9 3 2 Temperature Effects 9 4 0 CALIBRATION ERRORS AND ERROR CODES 9 5 0 CHANGING THE B...

Page 7: ...2 11 10 Flow meter Oxygen On Off Valve Inlet Oxygen Fitting Oxygen Control Knob O2 Flow Control Knob Room Air Inlet Room Air Inlet Filter ON OFF Button Calibration Button MAX 250 Series Oxygen Sensor...

Page 8: ...y the humidifier patient interface system The numbered scale on the flow meter that corresponds to the compensated flow rate for the Fisher Paykel Optiflow System and Hudson RCI Neptune Heated Humidif...

Page 9: ...displayed O2 percentage see Factors Influencing Accurate Readings in section 3 0 The MaxVenturi can be calibrated at 100 oxygen or room oxygen 20 9 The One Touch calibration will assume one of these t...

Page 10: ...ir 20 9 will result in an incorrect measurement of oxygen concentration 2 2 2 100 Oxygen Calibration 2 6 2 2 Minutes 1 2 3 4 5 6 1 5 Shut off Oxygen supply Remove sensor from port Wait two 2 minutesfo...

Page 11: ...7 8 2 Minutes Turn flow knob a few turns to flow gas Wait 2 minutes for sensor to equilibrate Press and hold CAL button for three 3 seconds Wait for display to read 100 Remove plug from room air inlet...

Page 12: ...ettings 4 5 1 2 3 1 2 3 1 2 3 1 2 3 1 3 Adjust flow to new desired flow rate Readjust oxygen concentration to desired setting and wait for analyzer to equilibrate Temporarily disconnect patient circui...

Page 13: ...ient Interfaces Optiflow large nasal cannula Fisher Paykel OPT544 Optiflow medium nasal cannula Fisher Paykel OPT846 Optiflow Tracheostomy direct connection Fisher Paykel OPT570 Pediatric aerosol mask...

Page 14: ...Comfort Flo Plus Cannula Large 2412 11 Hudson RCI Comfort Flo Plus Cannula Medium 2412 12 Hudson RCI Comfort Flo Plus Cannula Small 2412 13 F P Direct Connect OPT570 F P Large Nasal Cannula OPT846 F P...

Page 15: ...sensor to equilibrate to a new ambient temperature ATTENTION CAL Err St may result from a sensor that has not reached thermal equilibrium 4 0 CALIBRATION ERRORS AND ERROR CODES The analyzer has a sel...

Page 16: ...THE BATTERIES 1 2 3 4 5 6 7 8 9 Turn off analyzer Use screwdriver to remove four 4 screws in back of device Pull front cover off away from unit Turn on analyzer to verify power Reattach battery pack t...

Page 17: ...s needed The full MaxVenturi device should be overhauled and serviced a minimum of every 4 years with R211P30 001 and R211P30 002 to replace all O rings valves and knobs 7 2 Device Cleaning When clean...

Page 18: ...s 2 x 1 5 Volts Battery Life approximately 5000 hours with continuous use Low Battery Indication BAT icon displayed on LCD Sensor Type Maxtec MAX 250 series galvanic fuel cell Expected Sensor Life 1 5...

Page 19: ...d Operating Instructions R125P03 002 MAX 250E Oxygen Sensor RP34P02 Air inlet filter 9 2 Standard Replacement Parts and Accessories Part Number Item R127P35 15 coiled polyurethane oxygen hose with DIS...

Page 20: ...l knob completely closed Possible Cause It is very likely the device needs to be calibrated Also check to make sure the humidifier and patient delivery disposables are the correct size and installed c...

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