AC Infinity AC-PHM3, User Manual

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STEP 3 — STANDARD
Submerge the probe at least 1 in. deep
into your sample solution, then hold it still.
Record the readings after the reading is
stabilized, indicated by the smile icon on
the screen.
pH READINGS
MEASUREMENT
STEP 3 — AUTO-HOLD
Submerge the probe at least 1 in. deep into your
sample solution, then hold it still.
The reading will automatically lock when it's stable
for more than 10 seconds while the AUTO-HOLD
function is on. Refer to the "Parameter Settings"
section for more information.
10 SECONDS
"HOLD"
You may cancel AUTO-HOLD and
return to MEASUREMENT Mode
by pressing the calibration button.
1 in.