Digital pH sensor Orbipac CPF81D

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Memosens compact electrode for wastewater, primaries and metal industries

Orbipac CPF81D is the digital, simple solution for harsh environments. It measures reliably and accurately even in fibrous media and at high flow rates. With its integrated assembly, the electrode saves space and time during flow or immersion installation. Thanks to Memosens digital technology, CPF81D combines maximum process and data integrity with simple operation. It resists corrosion and moisture, enables lab calibration and facilitates predictive maintenance.

Benefits

Suitable for flow and immersion installation
Long time stable: Second electrolyte bridge for better protection against electrode poisoning ions such as S2- or CN-
Robust polymer housing protects against mechanical damage
Optional flat membrane suitable for high flow rates and fibrous media
Maximum process safety through non-contact inductive signal transmission
Enables predictive maintenance due to storage of sensor and process-specific data
Reduced operating costs due to minimized process downtime and extended sensor lifetime

Field of application

Orbipac CPF81D is the robust pH sensor for processes in mining industries and treatment of industrial water and wastewater. It monitors:

Flotation
Leaching
Neutralization
Inlet and outlet

Features and specifications

Measuring principle	Glass electrode
Application	Flotation, leaching, neutralization, outlet monitoring
Characteristic	Resistent against electrolyte poisoning and dirt repellent gel-electrode including process connection NPT 3/4"
Measurement range	pH 0 to 14
Measuring principle	Gel-compact electrode with double chamber reference system, kalium nitrate bridge electrolyte and PTFE-diaphragm
Design	Compact electrode in PPS housing with NPT 3/4" process connection
Material	Housing: PPS pH electrode: lead-free membrane glass Double chamber reference system: KNO3 and KCl/AgCl
Dimension	Diameter: 22 mm (0.87 inch) Length (protcetion guard, long shaft): 150 mm (5.91 inch) Length (flat membrane): 140 mm (5.51 inch)
Process temperature	Version LH: 0 to 110 °C (32 to 230 °F) Version NN: 0 to 80 °C (32 to 170 °F)
Process pressure	1 to 10 bar abs at 80 °C (15 to 145 psi at 176 °F)
Temperature sensor	Pt1000
Ex certification	(optional) FM IS NI Cl. I Div.1&2, Groups A-D
Connection	Memosens plug
Ingres protection	IP68