Maintenance, Cleaning - wtw Turb 430IR Kurzbedienungsanleitung

Turb 430 IR
Calibration
Maintenance
ba75506e01 04/2005
Turbidity
FNU
157.0
NTU
01.02.04 15:12
8 Repeat the steps 2 to 8 for further samples.
1 Press the <CAL/ZERO> key.
The menu-guided calibration begins.
Follow the instructions on the display.
Note
Calibrate
! after the calibration interval has expired
! after a temperature change

Maintenance, cleaning

The meter is almost maintenance-free.
The only maintenance task is replacing the batteries or accumulator
pack.
Caution
Make sure the poles of the batteries are the right way round. The
± signs on the batteries must correspond to the ± signs in the
battery compartment.
Maintenance, cleaning
1
2
11