Seko PH - Settings and Operation; Instrument Display Overview; Instrument Keyboard Functions

0000136965
Rev. 1.1
5
3.0___SETTINGS AND OPERATION
3.1__Instrument Display
Area 1
= pH or Redox chem
ical measurement display
Area 2
= Relay 1 and 2 status display. If the relay’s number is blinking, the contact has changed status.
Area 3
= Alarms display
Area 4
= Manual or automatic temperature display for pH measurement; this area is empty for Redox ver
sion.
3.2__Instrument keyboard
Esc/Mode
= Double
-
function key:
Esc
= Immediate exit from menu,
Mode
= quick settings menu
Enter/ Cal
= Double
-
function key:
Enter
= Confirm function,
Cal
= Immediate calibration access
Up
= Increase key
Down
= Decrease key
Probe calibration function
(Press the
Cal
key for 3 seconds [press Esc to exit])

Calibrating the pH probe
o
Immerse the probe in the 7 pH solution and press Enter.
o
Wait 60 seconds for self
-
calibration. When finished, probe accuracy is shown as a percentage
.
o
Immerse the probe in the 4 pH or 9.22 pH solution and press Enter.
o
Wait 60 seconds for self
-
calibration. When finished, probe accuracy is shown as a percentage.

Calibrating the Redox probe
o
Immerse the probe in the 465 mV solution and press Enter.
o
Wait 60
seconds for self
-
calibration. When finished, probe accuracy is shown as a percentage.
Mode Function (quick programming menu)
(Press the
Mode
key for 1 second. Select using the up and down
keys)

Set Point 1 7.4 pH
(Press the Enter key and adjust the va
lue using the up and down keys)

Set Point 2 7.4 pH
(Press the Enter key and adjust the value using the up and down keys)

Relay 1
(Press the Enter key to change the relay’s status)

Relay 2
(Press the Enter key to change the relay’s status)
Note:
The inst
rument exits automatically after 10 seconds.
Value settings menu function
(Press the
Enter
and
Esc
keys for 5 seconds)

Language
(Set menu’s language)
o
Available in English (UK), French (FR), Spanish (ES), German (DE), Italian (IT)

Set Point 1
(Set dosing o
r control functions via relay 1)

Set Point 2
(Set dosing or control functions via relay 2)

Temperature
(Menu available only for pH measurement)

mA output
(Set current output)

Advanced
(technical management menu)
Default parameters reset function

Switch of
f the instrument.

Press the
Up
and
Down
keys together and turn on the instrument.

The instrument displays “
init._Default”.
Select
Yes
using the Up or Down keys and press Enter.

The instrument reloads all of the default parameters.
Note:
To exit the menus,
press
Esc.