SOL-96.110.051 / 260422
TOPAZ Total Hardness
Startup
26
5
Wait until the photometer has been filled with fresh water. Then
set “SV Filling” to <OFF>.
6
Open the <PUMPS> tab.
7
Press the <ON> button next to “P1 - HNB indicator”.
8
Let the pump run until the fluid has reached the photometer and
there is no more air in the tube.
This takes approximately 2.5 minutes. The pump stops
automatically.
9
Repeat steps 3–4 with pumps “P2 - Buffer”, “P3 - EDTA N/50”
and “P9 - H2SO4 2N”.
ON
ON
OFF
OFF
P1 - HNB indicator
P2 - Buffer
P3 - EDTA N/50
P9 - H2SO4 2N
ACTUATOR
4-20mA OUTPUT
PUMPS
RELAYS
INPUTS
ON
ON
OFF
OFF