TSI IAQ10 - Manual (Page 13)

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1. Turn the instrument off. Under the
batteries, move DIP switch # 7 to ON.
Turn the instrument back on.
2. Press and hold the READ key to begin
the calibration procedure. The display
will begin a countdown from 5 to 0.
Release the key when the display reads
0. If the key is released too soon or too
late, the instrument will go back to sam-
pling in real-time. “ZerO” will appear
on the display if the instrument is in
calibration mode.
3. Install the regulator on the zero calibra-
tion gas tank and connect tubing from
the regulator to the inlet fitting on the
top of the Model IAQ10. The regulator
has a fixed flow rate of 0.3 L/min. Do
not use a flow rate lower than
0.25 L/min or higher than 1.0 L/min.
4. Turn on gas flow.
5. Press and release the READ key to begin
a zero reading. The Model IAQ10 begins
a 60-second countdown during the zero
reading. The actual zero reading is
taken in the last 10 seconds. When the
countdown is completed, the display