Maintenance, Cleaning, Disposal; Changing The Batteries - wtw Turb 350 IR Operating Manual

Battery symbol
Replacing the
batteries
5

Maintenance, cleaning, disposal

5.1

Changing the batteries

The batteries must be changed if the battery symbol
the display flashes:
2
CAL ERR
1 3
4
4 2 8 3
In this case, change the batteries as soon as possible. If the
batteries are too weak to provide a precise measurement,
the turbidity measuring instrument switches itself off. It can
only be switched on again when the batteries have been re-
placed.
1
2
3
4
Maintenance, cleaning, disposal
NTU

on
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