Bluelab Soil pH Meter - Manual (Page 3)

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1.0 Introduction
The Bluelab Soil pH Meter has two press buttons; ‘calibrate’ and power. The power button
requires a short press; release in about one second. The ‘calibrate’ button requires a long
press; hold for at least three seconds and release when the display starts fl ashing.
Turning the soil pH meter on and off
A short press of the power button will turn the soil pH meter on. The soil pH meter
automatically turns off after approximately four minutes if no buttons are pressed.
If the soil pH meter turns off before the reading is taken, short press the power
button to turn the soil pH meter on again.
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2.0 Preparing for use
The following tasks must be performed before the Bluelab pH Meter is used for the
fi rst time.
Insert batteries.
See section 8.0.
Connect soil pH probe
Connect the soil pH probe to the soil pH meter
by lining up the lugs of the BNC fi ttings. Fasten
securely by pushing the pH probe connector on
and twisting one quarter turn.
Remove the storage cap
Remove the pH probe storage cap by gripping
the top of the cap and gently twisting the base
one rotation clockwise to loosen slightly. Next
slowly slide the cap off the pH probe. DO NOT
completely remove the base of the cap from the
top of the cap.
CAUTION: When the soil pH probe is not in use,
add enough Bluelab pH Probe KCl Storage
Solution to the storage cap so the probe tip is
covered. Then replace the cap and store in a
secure place.
DO NOT use RO (Reverse Osmosis), Distilled
or De-ionized water. Pure water changes
the chemistry in the reference, causing the
probe to die.
Calibrate the pH
Calibrate the soil pH meter by following the
instructions in section 3.0 of this manual.
This must be done before the
soil pH meter is used for the fi rst time.
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Attaching the
Bluelab Soil pH Probe to the Meter
Removing soil pH
probe storage cap
Ensure probe tip is covered by
the KCl storage solution in cap
Inserting Twisting Attached
See section 3.0
for calibration
steps