Using the sensing probe, Section 4 detailed operation, Keypad functions – TSI IAQ50 User Manual

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Text mode
Original mode

sequence, press and hold the ENTER
key at any point of the start-up
sequence, until the meter beeps.

Using the Sensing Probe
The sensing probe relies on the diffusion

of air. For best results, try to keep the

sensing probe surrounded by moving air.

Do not breathe on the probe, since humans

exhale levels well exceeding 10,000 ppm

and it may take time for the probe to

re-stabilize.

SECTION 4

Detailed Operation

Keypad Functions
When pressing the keys on the front panel,
the Model IAQ50 will beep to confirm the
function. If you press a key and it does not
beep, the instrument does not allow that
function during the selected mode.