1
3
Potassium
Photometer
K
OK
ZERO
40
ZERO
After / Après / Después de / Nach / Dopo ZERO
1
4
K
OK
ZERO
Potassium
Potassium
Potasio
Kalium
Potassio
0.8 - 12.0 mg/l K
Potassium Photometer
2
OK
5
completely
dissolved
NO
residue
OK
ZERO
!
K
OK
ZERO
Countdown
10 ml
OK
ZERO