Offset Calibration - VERDER VP2-HT CL Manual De Instalacion Y Uso

OFFSET CALIBRATION

Zero Calibration is executed at factory. It is not necessary and it is not recommended!
The pump is been projected so that the electrical zero probe calibration is equal to electrochemical zero calibration.
So, if it's really necessary to calibrate the zero of the probe read the following instructions:
OFFSET CALIBRATION:
Rev 1.1 Cod. 00.009.127
1) Disconnect the chlorine probe input from
the pump
2) Wait until the display reaches a stable
reading (any value)
3) Push ENTER/MENU for 3 sec and with
▼▲ buttons scroll the cursor on
Calibration and push ENTER. The cursor is
on Offset and so push ENTER. The display
shows the reading. Push ENTER and then
modify (if necessary) the shown value at
0ppm with ▼▲ buttons and then confirm with
ENTER.
35