Hayward EZ-CHEM Guide De L'utilisateur page 25

Calibrating the probes
pH probe
Use pH 7 and pH 4 buffer solutions (check expiry date).
Rinse your probe with tap water before immersing it in the pH 7 solution.
Hold down the button until the
Press CAL
The
B.Solut. 7pH
Soak your probe in the pH 7 buffer solution and press
Wait until the countdown finishes (60 s) and the
If the quality of the measurement is not 100%, repeat the calibration or replace the probe.
Rinse your probe with tap water before immersing it in the pH 4 solution.
Press the button.
Press CAL
The
B.Solut. 4pH
Soak your probe in the pH 4 buffer solution and press
Wait until the countdown finishes (60 s) and the
If the quality of the measurement is not 100%, repeat the calibration or replace the probe.
ORP Probe (Only with the ORP option)
Use the 465 / 468 mV calibration solution (check expiry date).
Rinse your probe with tap water before immersing it in the 465 / 468 mV solution.
Press when the calibration of the pH probe is finished.
When the following screen appears
465 mV
The
Press CAL
Soak your probe in the 465 / 468 mV calibration solution and press
Wait until the countdown finishes (60 s) and the
If the quality of the measurement is not 100%, repeat the calibration or replace the probe.
Page 11 of 13
Pump Calibration
pH Probe Cal.
menu appears.
Quality
B.Solut.
menu appears.
Quality
B. Solut.
Pump Calibration
Rx Probe Cal.
menu appears.
Quality
B.Solut. 465 mV
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
menu appears, then confirm with
.
100%
screen appears.
7pH
.
100%
screen appears.
4pH
, confirm with .
.
100%
screen appears, then confirm with
EZ-CHEM
.
.
Rev. C