USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Page 11 of 13
EZ-CHEM
Rev. D
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
Pump Calibration
pH Probe Cal.
menu appears, then confirm with
.
The
Press CAL
B.Solut. 7pH
menu appears.
Soak your probe in the pH 7 buffer solution and press
.
Wait until the countdown finishes (60 s) and the
Quality 100%
B.Solut. 7pH
screen appears.
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.
The
Press CAL
B.Solut. 4pH
menu appears.
Soak your probe in the pH 4 buffer solution and press
.
Wait until the countdown finishes (60 s) and the
Quality 100%
B. Solut. 4pH
screen appears.
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
Pump Calibration
Rx Probe Cal.
, confirm with
.
The
465 mV
Press CAL
menu appears.
Soak your probe in the 465 / 468 mV calibration solution and press
.
Wait until the countdown finishes (60 s) and the
Quality 100%
B.Solut. 465 mV
screen appears, then confirm with
.
If the quality of the measurement is not 100%, repeat the calibration or replace the probe.
