1.
Remove the cap from meter
2.
Press
ON/OFF
button
3.
Press and hold
HOLD/MODE
until the setting shows
mS
at
the top left of your meter.
NOTE:
This is the 2nd setting
from the left
4.
Open one ready-to-use liquid calibration packet (CP-1000).
NOTE:
If using the C1000 calibration solution, you will
need to fill a small cup to submerge the tip of the meter
5.
Submerge the tip of the meter into the CP-1000 packet of
calibration solution
6.
Press and hold
TEMP/CAL
while tip is submerged until it
begins flashing, then release
7.
Using arrow keys, adjust the meter until it reads
2.0
then
press
ON/OFF
.
NOTE:
The meter will start flashing
C…CA…CAL
when calibrating
8.
When flashing
stops meter should read
2.0
Your meter is calibrated and ready to use
COM-100 (EC Meter)
How to Calibrate Your Meters
COM-80 (EC Meter)
1.
Remove the cap from meter
2.
Press
POWER/ENTER
button
3.
Press and hold
HOLD/MODE
until the setting
shows
mS
at the bottom right
4.
Open one ready-to-use liquid calibration packet (CP-1000).
NOTE:
If using the C1000 calibration solution, you will need to fill a small cup
to submerge the tip of the meter
5.
Submerge the tip of your meter into the CP-1000 packet of calibration solution
6.
Press and hold
TEMP/CAL
while submerged until it begins flashing,
then release
7.
Using arrow keys, adjust the meter until it reads
2.0
then press
POWER/ENTER
.
NOTE:
The meter will start to
flashing
C…CA…CAL
when calibrating
8.
When flashing
stops meter should read
2.0
Your meter is calibrated and ready to use
Once your meter is calibrated:
1.
Press
ON/OFF
to turn your meter on
2.
Make sure your meter is set to the
mS
setting
3.
Submerge the tip into a cup with clear water and record the reading
4.
Remove meter from water and shake excess water off
5.
Submerge meter in a cup with fertilizer solution and record the reading
6.
Take the recorded reading in step 3 (clear water EC) and subtract it from the reading you
recorded in step 5 (fertilizer solution EC)
7.
The result is the amount of fertilizer in the output
8.
Compare this result to the back of your fertilizer bag
NOTE:
You should compare the result to the value in the
EC Value
column for desired PPM
Checking EC (for COM-80 and COM-100)
Calibration
Solution
CP-1000
