Aquameter
™
Series Instruction Manual
10401-00188 Rev M
Calibration
RapidCal
DO 100%
Full Cal
6. Select
RapidCal.
The screen will change to:
PLEASE WAIT
Stabilising
000%
The Meter will wait until all readings are stable, then it will send the RapidCal 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.
Calibrating
100%
Press [OK]
When calibration is complete, press
OK
then
ESC
to return to normal reading mode
.
Now the DO 100% saturation point should be calibrated in damp air.
To Calibrate the 100% Saturation Point in Damp Air
1. After calibrating with RapidCaL, remove the Probe from the bottle, wash in fresh
water, then shake off ensuring there are no droplets adhering to the DO membrane.
2. Take an empty calibration bottle, rinse with fresh water, then empty it leaving the
inside wet but with no standing water.
3. Insert the Probe and wait until the temperature measurement is
completely stable.
This is very
important
.
Temperature must be between 5ºC and 40ºC (41ºF -
104ºF).
4. Referring back to the screen shown in item 5 above, select
DO 100%.
5. Wait while the Aquameter carries out the calibration procedure.
6. When the ‘Calibrating 100%’ screen (shown above) is displayed, press OK then
ESC repeatedly to return to normal reading mode.
Due to the fact that debris, air bubbles and temperature variation can adversely affect EC
calibration, it is essential to verify that EC calibration has been properly achieved after
using RapidCal by following the technique described in the section 14 headed
© 2011 Aquaread Ltd.
www.aquaread.co.uk
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