Micro Direct CO Check+ Manuel utilisateur
CO Check+
Operating Manual
Micro Direct, Inc.
803 Webster Street
Lewiston, ME 04240
1-800-588-3381
www.mdspiro.com
Revision 7.0 MD January 2015
1
Contents
Package Contents................................ 2
Overview ............................................... 3
Operation .............................................. 3
Warning/Cautions................................. 5
Calibration ............................................ 6
Setting Environment Mode (Optional) 9
Battery Life ........................................... 9
Power Saving........................................ 10
Cleaning................................................ 11
Servicing............................................... 11
Consumables........................................ 12
Specifications....................................... 13
Appendix A –CO Check+ and Smoking
Cessation.............................................. 15
Appendix B –CO Check+ and Environmental
Capture.................................................. 16
2
Package Contents
The CO Check+ is supplied with:
1. CO Check+ (Cat. No. CO10)
2. 22 mm plastic mouthpiece adapter
(#PSA1800)
3. 22 mm reducing connector for calibration
(#MEC1007))
4. 9 Volt Battery
5. 4 Disposable cardboard mouthpieces (#3301)
6. Soft shell carry pouch (# CS101)
7. Operating Manual
3
Overview
The CO Check+ is a hand held portable battery operated
device used for measuring the carbon monoxide (CO)
concentration on the breath and calculating the
percentage of carboxyhemoglobin (%COHb) in the blood.
The CO Check+ is specifically designed as a screening
tool for smoking cessation. In smoking cessation clinics, it
is used for checking the subject’s progress and
compliance.
The CO Check+ is easy to use, very accurate and
requires a single breath into the device to display CO
results in parts per million (PPM) and the percentage of
carboxyhemoglobin (%COHb).
Operation
Insert the 9 volt battery (#4) supplied by removing the
battery cover and clipping the battery in place, replace the
battery cover. Insert the plastic mouthpiece adapter (#2)
followed by a cardboard mouthpiece (#5).
Turn the CO Check+ ON by pressing power key .The
device will display CO then the version number before
starting the countdown timer.
4
The “breath hold” timer will now count down from 15
seconds. Encourage the subject to hold the breath until
the unit beeps to start the test. The display will show the
blow icon.
The subject should place their lips around the cardboard
mouthpiece and blow gently and continue blowing until
their lungs are completely empty. CO is collected in the
last portion of the breath (alveolar breath).
Test Reading Display
The CO Check will beep and show the final reading in
PPM (parts per million).
By pressing the Select Function key the reading
changes to %COHb (carboxyhemoglobin).
Pressing again reverts back to PPM.
The maximum reading the CO Check+ can
measure is 99 PPM. Any reading above that will be
displayed as - - (over range).
5
After examining the readings, the unit can either be
switched off using the ON/OFF Power key or another
measurement can be carried out by pressing the Select
Function key for at least three seconds.
To save the battery, the unit will switch OFF
automatically after three minutes if not used.
Warning/Cautions
If higher than expected levels of CO are displayed
this could be due to CO poisoning and medical
attention should be immediately sort.
The CO Check+ has a cross-sensitivity to hydrogen
(from some gastro-intestinal disorders) which may
affect the reading.
Cleaning with products that contain alcohol may
result in permanent damage to the sensor. (See
page 13 for non-alcohol wipes)
The battery should be changed when the word
‘BAT’ appears on the display.
The disposable cardboard mouthpieces are single-use
only. Re-use of these single use mouthpieces can
increase the risk of cross infection and the mouthpiece
should be disposed of after use by the patient.
6
Calibration
The device should be recalibrated at least once every six
months. Calibration gas can be purchased from Micro
Direct, Inc., see page 13 for full ordering details.
7
To calibrate the device, perform the following steps:
1. Connect the control valve (Cat No MC22) to the
20 ppm gas cylinder. (Cat. No. MC10) calibration
gas cylinder shown in the diagram above.
2. Connect the short plastic tubing reducing
connector (Cat No MEC1007).
3. Switch ON the device with the select key
pressed until the device displays ‘Cb’. Release
the select key.
4. The device will countdown from 15 to 0 with CAL
symbol ON. It will then display the blow icon.
5. Attach the connector and turn the control knob
fully counter-clockwise until knob will not turn any
further. The supply of gas is .25 L/second.
6. Apply this flow until the device beeps after 20
seconds then turn the gas off. The device will
display the gas concentration reading.
7. If the reading is not 20 ppm, press the select key
for at least 3 seconds to accept the new
calibration value. The device will say ‘dn’ (done)
and then will show 20 ppm.
8
It is advisable to accept the calibration even
though it displays 20 ppm. This will reset the
calibration due timer.
Switch off the device if the calibration was
incorrectly performed. Do not press the select key
.
To prevent incorrect calibration, only the readings
within the range of 16-24 can be calibrated. An
‘Er’ (Error) message will be displayed if the
calibration is accepted for reading outside this
range.
8. Switch off the device; wait for a minute and it is
now ready for use.
If the device is not calibrated for six months, the device
will beep three times before countdown starts and will
display ‘Cd’ (Calibration due) for 3 seconds. Thereafter
the device will operate as normal but the reading will not
be guaranteed.
9
Setting Environment Mode (Optional)
Environment reading on start-up can be enabled. Switch
ON the unit and wait for the countdown to begin. When
the number
5 is displayed, press the Select Function key .When
the unit beeps at 4, release the Select Function key .
At the end of the countdown, the unit will display ‘En’ for 3
seconds followed by either ‘OF’ (Off)– your current
setting.
Press the Select key momentarily (< 0.5 sec), to
change the mode. Press the Select key for more than
3 seconds to accept the mode, ‘On’ . Thereafter the unit
will restart with your selected setting.
Battery Life
The 9 volt battery should give at least 30 hours of
continuous use. When the battery is low, it will display ‘bL’
(battery low) for three seconds.
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1
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