ECOLAB EcoTrans II pH Betriebsanleitung Seite 88

Operation
In the example below, the EcoTrans II pH is calibrated for measuring acidic
products.
Material:
Requirements:
n The unit is mounted and fully connected
Prepare the measuring sensor
1.
Clean the measuring sensor using a lint-free cloth.
2.
Pour 20–40 ml of cleaning solution into a clean container and immerse the
measuring sensor for 30 seconds.
3.
Place the measuring sensor in clean water (H
4.
Clean the measuring sensor using a lint-free cloth.
Perform the first measurement (buffer 1)
5.
Switch on the power supply.
6.
Press
ð Relay outputs and current output are switched off.
7.
Press
First buffer
press <OK>
ð The display shows 'First buffer press <OK>' .
8.
Place the probe into the pH 7.00 buffer solution.
9.
Press
ð The screen shows 'Calibrating...' until the display value remains constant for 10
seconds.
pH-value buffer 1
ð The screen displays shows 'pH-value buffer 1
10. Use
Second buffer
press <OK>
MAN052993 Rev 2-01.2024
n Special detergent for pH and RH measuring chains (418853128)
n 20 ml buffer solution pH 7.00 (418853126)
n 20 ml buffer solution pH 4.01 (418853125)
Before calibrating, place measuring sensors that are already being used
in operation in pure water (H
temperature to adjust.
.
until the display shows 'CALIBRATION' and press
.
to set the measurement value to 7.0 and confirm with
O) for approx. 20 minutes to allow the
2
O) for 2 minutes.
2
* ' and the corresponding pH value
32
.
.