Covita Gastro+ Gastrolyzer Use and care manual

Gastro+Gastrolyzer®
Calibration Guide
5
© Copyright 2013 coVita LLC All Rights Reserved v020313
30 Washington Ave Ste D Haddonfield, NJ 08033
tel [phone] ●fax [phone] ●[e-mail] ●www.covita.net
1
A. Calibration Tips
1. coVita calibration instructional videos can be found
under the support section of www.covita.net .
2. You must calibrate at least monthly to correct for
sensor drift using 100ppm Hydrogen (H2) calibration
gas. On occasion, your Gastro+ may prompt you for
an intermittent calibration.
3. Your Gastro+ a has built in calibration
reminders to prompt you to calibrate
every month.
4. Be sure to identify your flow meter-
regulator for correct instructions.
5. Remove flow meter-regulator from can for proper
storage and replace dust cap.(You may hear a pop
and this is normal.)
6. Ensure that the caliadaptor tubing has no kinks while
the gas is flowing.
B. Required Parts
A. 100ppm Hydrogen (H2) Calibration Can
B. Flow meter-regulator
C. Caliadaptor Tubing
D. D-Piece
E. Gastro+ Gastrolyzer®≥ V1.7c
C. Calibration Set Up
1. Remove dust cap from can of gas
2. Ensure the find control valve on the flow meter-
regulator is in the off position.
3. Screw the regulator-flow meter onto the gas can
(some slight pressure may be required). This can
best done by screwing the gas can into the valve.
4. Attach the small end of the tubing onto the regulator-
flow meter.
5. Insert a D-piece into the Gastro+.
6. Insert the large end of the caliadaptor tubing over the
D-piece.
Firmware ≥ V1.7c

Gastro+Gastrolyzer®
Calibration Guide
5
© Copyright 2013 coVita LLC All Rights Reserved v020313
30 Washington Ave Ste D Haddonfield, NJ 08033
tel [phone] ●fax [phone] ●[e-mail] ●www.covita.net
2
D. Calibration
1. Ensure you are performing a calibration in a fresh air environment.
2. Turn Gastro+ ON by holding the on/off button down for three seconds.
3. Main Screen
a. On the main screen touch the gears icon.
4. Gears Screen
a. Touch the calibration icon to enter the calibration screen.
5. Calibration Mode
a. Touch the zero icon to zero the monitor. The monitor will
display an hour glass and then a check mark. Touch the
check mark to return back to the calibration screen.
b. Touch the calibration icon. (Note: the canister is no longer
crossed out)
c. Immediately turn on the gas by slowly turning
the valve. Adjust the flow to 0.5 lpm by
balancing the silver ball on the 2nd line from
bottom. (Note: the valve is sensitive, so a
small/delicate turn is all that is necessary)
d. The monitor’s reading will slowly climb from zero an hour glass
will be shown on the screen as well.
e. When you receive a check mark, turn OFF the gas.
f. Touch the check mark to lock in the calibration.
g. Touch the home icon to return to the main menu.
h. Calibration Complete.Please contact coVita with any questions.
**coVita offers annual maintenance packages.**
Main
Screen
Gears
Screen
Calibration
Screen
A
Calibration
Screen
B