Technical data
14
BA-42820-02-V03
Water sampling station
EASYPRO
Operating instructions
Output modules (depending on version)
Number of output modules
up to 4
2 x up to 4
Servomotor relay
2 x 230 V AC, 5 A (ohmic load)
kΩ
Potentiometer feedback: 1 – 10
Servomotor 20 mA
Constant 0/4 – 20 mA output
Servomotor with 20 mA feedback
Relays
2 x 230 V AC, 5 A (ohmic load)
Optocoupler
2 x 80 V DC, 5 mA
Tab. 11: Water sampling stations for industrial applications
5.3 Measuring cell
Technical data for connecting a
TOPAX
®
MC
controller.
5.3.1 Amperometric 3- and open 2-electrode measuring cell
Measuring cell
DMZ3.1
CS120 - Pt/Cu
CS120 - Pt/Ag
Measuring input
all oxidizing ions
all oxidizing ions
all oxidizing ions
Measuring electrode
Gold or platinum
(depending on measurement)
Platinum
Reference electrode
Silver / silver chloride with KCI gel
filling
-
Counter electrode
Precious metal
Copper
Silver
Measuring range
0 – 15 mg/l Cl
2
0 – 20 mg/l Cl
2
0 – 20 mg/l Cl
2
Transfer/slope
20 – 30 μA / mg/l
Electrolyte
Sample water
Electrical connection
N attachment head
Free wire end
Hydraulic connections
hose 6/8 mm
G 5/8
Pressure range
0 – 6 bar
Flow rate
30 l/h
40 – 50 l/h
Measuring principle
amperometric 3-electrode measuring
cell with potentiostatic control
Amperometric open 2-electrode measuring cell
Tab. 12: Amperometric 3- and open 2-electrode measuring cell
5.3.2 Membrane covered measuring cells for measuring free chlorine
Measuring cell
Cl 4.2
Cl 4.2
Cl 4.2
Cl 4.2
Measuring input
free chlorine
Measuring range
0 – 0.5 mg/l Cl
2
0 – 2 mg/l Cl
2
0 – 5 mg/l Cl
2
0 – 10 mg/l Cl
2
Transfer/slope
4 – 20 mA
Electrolyte
Diaphragm cap with electrolyte
Connection
Free wire end
Pressure range
0 – 0,5 bar
Flow rate
30 l/h
Measuring principle
amperometric diaphragm covered cell measuring cell
Tab. 13: Diaphragm covered measuring cells for measuring free chlorine
