Endress Hauser Digital free chlorine sensor

Memosens CCS51D is a robust, low-maintenance sensor for free chlorine. It provides high-precision measurement with long-term stability in drinking water, pool and process water and ensures consistent disinfection monitoring even at low water volumes. The free chlorine sensor features extremely fast response times guaranteeing efficient process control and safe processes. Thanks to Memosens digital technology, CCS51D combines maximum process and data integrity with simple operation.

Drinking water - to ensure reliable disinfection
Process water - wide range of application due to large measuring range
Food - to secure absence/presence of free chlorine
Pool water - efficient dosing thanks to precise measurement

Amperometric measurement of dissolved free chlorine

Trace: 0 to 5 mg/l HOCl

Standard: 0 to 20 mg/l HOCl
High: 0 to 200 mg/l HOCl

- Closed, membrane covered measuring cell
- Reduction of free chlorine at the cathode

Closed amperometric 2-electrode measuring cell with PVDF membrane

Sensor shaft: PVC

Membrane: PVDF

Membrane cap: PVDF

Diameter: 25 mm (0.98 in)

Length: 161 mm (6.34 in)

+0 to 55 °C (32 to 130°F), non-freezing

1 bar (14.5 psi)

10k NTC integrated (Memosens)

Inductive, digital connection head with Memosens