Emec Centurio POOL, Operating Manual

Page: 12 / 48

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Tracer calibration menu.
Tracer calibration procedure is based on two buffer solutions (0 BTSA and “working value” BTSA buffer solutions).
According to installed probe, before calibration, configure the model using “Probe Tracer” menu.
Note: This procedure assumes that CONTROLLER is correctly installed and configured, connected to a working
probe. Calibrate using plant’s temperature otherwise unattended results might occur. If something wrong occurs
use RECOVERY CALIBRATION to restore to previous calibration.
Two points calibration method.
During this procedure probe must be dry and clean and not installed in plant. Tap on “First Point” (zero) and confirm it.
Tap on “Second point”, dip probe’s head into buffer solution and wait until reading value is stable, enter buffer solution
value and confirm it. Note: buffer solution value may change if environment temperature it’s different than 20°C.
Read solution’s label for more information. According to this occurrence “Default” must be changed. During
calibration LIGHT could interfere with buffer solution reading value. Execute calibration in a dark environment.
pH calibration menu.
pH calibration procedure is based on two buffer solutions (usually 7pH value for first point and 4pH value for second point).
Calib 1st Point.
Once into calibration menu move tap on “First Point” then dip probe’s sensor on 7pH buffer solution. Wait until
reading value is stable and according to buffer solution value enter it on calibration field. (“Cal. at” field). Confirm
it or discard if not satisfied.
Note: buffer solution value may change if environment temperature it’s different than
20°C. Read solution’s label for more information. According to this occurrence “pH Default” must be changed. If
something wrong occurs use RECOVERY CALIBRATION to restore to previous calibration.
Calib 2nd Point.
Once into calibration menu move tap on “Second Point” then dip probe’s sensor on 4pH buffer solution. Wait until
reading value is stable and according to buffer solution value enter it on calibration field. (“Cal. at” field). Confirm
it or discard if not satisfied.
Note: buffer solution value may change if environment temperature it’s different than
20°C. Read solution’s label for more information. According to this occurrence “pH Default” must be changed.If
something wrong occurs use RECOVERY CALIBRATION to restore to previous calibration.
Temperature calibration.
For each channel, where available, there is a temperature probe to be used for proper probe’s compensation. To
calibrate the PT100 sensor a professional thermometer is required to obtain a reliable calibration. Within each channel
calibration menu, tap on “Calib Temperature” to begin setup. Using an external thermometer to read actual temperature
and enter value in calibration field. Confirm or discard changes. Note: for pH calibration / Temperature compensation see
curve at page 29.