Page 4 - PBL883 ABB Brochure 3KXA843403R4201 OPERATING INSTRUCTIONS (OI/ACL410-EN) (16PP Q4 STITCH)
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4 ACL410 | CHLORINE SENSOR | OI/ACL410-EN PILOT BUILD
2 System overview
The ACL410 sensor is an amperometric cell that consists of two concentric electrodes. The inner spiral is the gold measure electrode, the copper cylinder is the counter-electrode.
The water sample flows into the electrodes chamber through nozzles in the copper cylinder. A measured amount of a special corundum sand placed into the cell is moved by the water and acts as an abrasive on the electrodes, keeping them sensitive.
Figure 1
ACL410 components
A
The measuring cell is provided with a differential pressure regulator filter, that maintains a constant water flow even in presence of input pressure fluctuations between 0.2 and 4.0 bar (2.9 and 58 psi).
The ACL410 components are shown in Figure 1.
E
D
F
Table 1
BC
ACL410 component descriptions
Part Description
A pH sensor (Compatible with all PG13.5 pH sensors, such as ABB 100E sensor)
B Inlet (3⁄8 in)
C Outlet (3⁄8 in)
D Regulator assembly
E Cell assembly
F Buffer input
