14
Monitoring pH
Temperature (°C)
Preset Temp (°C)
Press to advance
to next parameter
Press to advance
to next page
pH CALIBRATION
–––––
or
250
.
Automatic
Mode
Manual
Mode
Alarm 1 Setpoint
Alarm 2 Setpoint
WASH IN PROCESS
or
Millivolts
250
700
.
200
.
l050
.
350
.
…6 OPERATION
6.2.1 Operating Page
Measured pH
The measured pH is displayed.
If the Water Wash cycle is selected (Models 4631 or 4636 only), an alternative message,
WASH IN PROCESS, is displayed. The Alarm 1 status and the retransmission value
are held in their pre-cycle condition for the duration of the wash cycle.
These two keys are used to advance to all subsequent parameters and pages.
Sample Temperature:
is displayed in either °C or °F. The display units are programmable – see Section 7.3,
Set
Up Parameters Page
. Automatic or manual mode is also selected in the Set Up
Parameters Page.
Preset Temperature:
value is displayed in either °C or °F. The display units are programmable – see Section
7.3,
Set Up Parameters Page. The preset temperature value is also set in the Set Up
Parameters Page.
Measured Millivolts
The sensor reading is displayed in millivolts.
Alarm 1 Set Point
The set point value and relay/l.e.d. action are programmable – see Section 7.4, Set Up
Alarms Page.
✶
Note. This display is bypassed if Alarm 1 Type has been set to Fail or Off –
see Section 7.4, Set Up Alarms Page.
Alarm 2 Set Point
The set point value and relay/l.e.d. action are programmable – see Section 7.4, Set Up
Alarms Page.
✶
Note. This display is bypassed if the Water Wash sequence is selected or if Alarm
2 Type has been set to Fail or Off – see Section 7.4,
Set Up Alarms Page.
Continued on next page.
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