Aquameter
™
Series Instruction Manual
10401-00188 Rev M
If you are going to calibrate both the Zero and 100% points at the same time,
ALWAYS
calibrate the Zero point first
, then the 100% point.
To calibrate the DO/EC electrode follow these steps:
14.5. Calibrating the DO Zero Point
1.
Remove the lid from a 150mL bottle of DO Zero calibration solution, remove the
storage cap from the pH electrode if fitted, wash the Probe in distilled water, then
drop the Probe in all the way. The Sleeve End Cap should not be fitted.
2.
Switch the Aquameter on and wait until the DO reading is completely stable.
3.
Ensure the temperature of the solution is between 5
°
C and 40
°
C (41
°
F - 104
°
F).
4.
Press the
MENU
key then select
Calibration. T
he following screen will be
displayed.
Calibration
RapidCal
DO 100%
Full Cal
5.
Select
Full Cal.
The screen will change to:
Calibration
>pH/ORP
DO/EC
Turb
6. Select
DO/EC
. The screen will change to:
Calibration
DOZero?[01/Jan/09]
DO100%?[01/Jan/09]
EC2570?[01/Jan/09]
The dates shown to the right of the screen are the dates of the last successful calibration.
7. Select DOZero. The screen will change to:
PLEASE WAIT
Stabilising
000%
The Meter will wait until the readings are stable, then it will send the calibration command
to the Probe, where the calibration takes place. During calibration, the Calibrating screen is
displayed and the progress counter counts up. If the calibration is successful, the counter
will reach 100% and the following screen will be displayed.
© 2011 Aquaread Ltd.
www.aquaread.co.uk
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