Calibration Check - Welch Allyn PneumoCheck Operating Instructions Manual

CALIBRATION CHECK

Attach a calibrated 3.0 liter syringe (stored at the same
temperature as your PneumoCheck) with appropriate hose
(see Accessories on p. 43).
HOSE A
2. Make sure that nothing is blocking the back end of the
pneumotach.
3. Flush the syringe back and forth through the PneumoCheck
several times to equilibrate the temperature.
4. Pull the syringe plunger back as far as it will go.
5. Access the TEST.MODE on your PneumoCheck:
Turn vour PneumoCheck OFF.
Whiledepressing the TEST button turn the
instrument ON.
The message TEST.MODE will appear briefly and a
beep will sound.
The message VER X.X will be displayed. This indicates
the software version used in your PneumoCheck.
Then the CLEAR and SELECT messages will be
displayed.
32
SYRINGE -
PLUNGER