15
Calibration
Perform calibration of amperometric cell on a monthly basis or more, if necessary.
Amperometric cell must be calibrated with the instrument to which it is connected.
Calibration is carried out on two points: 0 and a second point near the work value.
For calibration procedure refer to the manual of the instrument.
Decommissioning
Decommission the cell before any maintenance operation, shipping and long downtimes.
DANGER
AUTHORIZED AND QUALIFIED PERSONNEL
Installation
and
maintenance tasks should be carried out by AUTHORIZED AND
QUALIFIED PERSONNEL only in accordance with local regulations.
DANGER
POWER SUPPLY DISCONNECTION
Always disconnect power to the equipment before you perform any installation or
maintenance tasks. Failure to disconnect power will result in serious physical injury.
1.
Disconnect power supply.
2.
Stop water feeding by turning water inlet valve.
3.
Keep a basin under sampling point and open water sampling valve to drain the liquid inside.
4.
Disconnect electrode’s wirings on the instruments terminal (refer to the manual of the
instrument) and uscrew electrode (keep cleaning balls in a basin).
5.
Disconnect hydraulic connections.
6.
Unscrew amperometric cell from panel / wall.
7.
Unscrew SEPR:
8.
Wash the PMMA body from chlorine residues.
9.
Air dry.
