3
1. OPERATION FOR SUNLIGHT MEASUREMENT:
a. Press the ON button to start the unit.
b. Point the light sensor window toward max light source.
c. The current light intensity will be showed on the LCD.
Tips:
Tips:
Tips:
Tips: Please do not obstruct or cast a shadow over the light sensor.
2. OPERATION FOR PH VALUE:
a. Switch the PH/ TEMP button on the back of the unit to PH position.
b. Push the probe down as vertically as possible into the soil which needed to be
tested. Do not push the probe too near the stem to avoid damage to the
plant
’
s
root.
c. Press ON button to start the unit.
d. PH value of the tested soil will be displayed on LCD.
e. Take several readings to confirm your findings.
Tips:
Tips:
Tips:
Tips:
1. Insert the probe straight up and down, about halfway between the plant
stem and the edge of the pot. For pots over 1 2 ″ in diameter, position the
probe about a third of the way between the stem and the edge of the pot.
For a deep pot, insert the probe more deeply aiming for where the heaviest
root concentration
is
likely to be.
2. Please softly push the probe into soil to avoid damage to the probe.
3. If the tested soil is extremely dry or too nutrient and can
’
t be tested PH
value, the user should sprinkle some water into the soil.
Test
again after
half an hour.
3. MOISTURE MEASUREMENT:
a. Switch the PH/ TEMP button on the back of the unit to /TEMP position.
b. Push the probe down as vertically as possible into the soil. Do not push the
probe too near the stem to avoid damage to the plant
’
s
root.
c. Press ON button to start the unit.
d. Moisture of the tested soil will be displayed on LCD.
e. Take several readings to confirm your findings.
Tips:
Tips:
Tips:
Tips:
1. Insert the probe straight up and down, about halfway between the plant stem
and the edge of the pot. For pots over 1 2 ″ in diameter, position the probe
about a third of the way between the stem and the edge of the pot. For a
deep pot, insert the probe more deeply aiming for where the heaviest root
concentration is likely to be.
2. Please softly push the probe into soil to avoid damage to the probe.
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