bluelab Guardian Monitor Wi-Fi User Manual

English
10
• Always place the lid back onto the bottle after use or evaporation will occur rendering the
solution useless.
• DO NOT measure directly into the bottle. Tip a small
amount into a clean container and discard after use.
• Never add water to solutions.
• Store in a cool place.
pH reading accuracy is dependant on the accuracy and age of the
calibration solutions used, and use and cleanliness of the pH probe tip.
12.0 pH calibration cont.
To calibrate the pH probe
Clean EC and pH probe tips.
See section 15.0 (the pH probe does not require cleaning
before the first use).
pH 7.0 calibration
a) Prepare a small amount of pH 7.0 calibration solution
in a container.
b) Ensure the Guardian Monitor Wi-Fi
is plugged in and in operation mode.
c) Rinse EC and pH probe tips in fresh water, shake off
excess water and place them in pH 7.0 calibration
solution. Wait
at least one minute for reading to stabilize.
d) Press and hold the pH cal button for a few seconds
until ‘PH’ and ‘CAL’ appear in the windows, then
release the pH cal button. The ‘7’ LED will glow green.
All three windows will return to monitoring mode
with all current values being displayed.
e) If ‘Err’ is displayed see the troubleshooting guide on
section 18.0.
pH 4.0/10.0 calibration
a) Prepare a small amount of pH 4.0 or
pH 10.0 calibration solution in a container.
b) Rinse EC and pH probe tips in fresh water, shake off
excess water and place them in either pH 4.0 or pH
Clean the pH probe
pH 7.0
calibration/
solution
pH
Rinse in tap water
pH 4.0
calibration/
solution
pH

bluelab Guardian Monitor Wi-Fi Specifications

General

Brand	bluelab
Model	Guardian Monitor Wi-Fi
Category	Measuring Instruments
Language	English