Product Overview
Endress+Hauser Ceraliquid CPS41 is an analog pH sensor designed for demanding applications where conventional pH electrodes may face challenges from very low conductivity, rapidly changing media composition or organic solvents. The sensor uses a liquid KCl electrolyte with a ceramic diaphragm to provide fast response and reliable reference electrolyte flow.
Key Features
• Analog potentiometric pH measurement
• Measuring range: pH 0 to 14
• Liquid KCl electrolyte with ceramic diaphragm
• Refillable, gel-free electrolyte system
• Fast response for rapidly changing media
• Suitable for very low conductivity down to 0.1 µS/cm
• Defined electrolyte flow through the diaphragm
• Resistance to poisoning through continuous KCl replenishment
• Suitable for CIP and SIP processes
• Glass / ceramic construction
• 12 mm shaft diameter
• Shaft lengths: 120, 225, 360 and 425 mm
• Optional integrated Pt100 temperature sensor
• TOP68 connection head
• IP68 ingress protection
• Maximum process temperature: 135 °C
• Maximum process pressure: 10 bar
• 3-A approval listed by Endress+Hauser
Suitable Applications
• Chemical industry
• Low-conductivity water measurement
• Processes containing organic solvents or alcohols
• Rapidly changing media compositions
• Boiler feedwater in power plants
• Life sciences and water for injection
• Applications requiring fast pH response
• CIP and SIP processes
Selection Notes
CPS41 is particularly suitable when the process involves very low conductivity, rapidly changing media or demanding chemical conditions. The liquid KCl electrolyte and ceramic diaphragm are important characteristics for these applications.
When selecting or replacing a CPS41, check the complete sensor configuration, especially the shaft length, integrated temperature sensor option and connection. The available shaft lengths are 120, 225, 360 and 425 mm, with an optional integrated Pt100 and TOP68 connection head.
For applications with standard process conditions where these specialized characteristics are not required, another Endress+Hauser pH sensor may be more appropriate. The CPS41 should be selected according to the actual conductivity, temperature, pressure and medium composition of the process.
FAQ
What does the Endress+Hauser CPS41 measure?
CPS41 is an analog sensor for potentiometric pH measurement.
What is the measuring range of CPS41?
The official measuring range is pH 0 to 14.
What makes CPS41 suitable for low-conductivity media?
It uses a liquid KCl electrolyte and ceramic diaphragm, and Endress+Hauser specifies suitability for conductivities as low as 0.1 µS/cm.
What is the maximum process temperature?
The maximum process temperature is 135 °C (274 °F).
What is the maximum process pressure?
The maximum process pressure is 10 bar (145 psi).
Does CPS41 have an integrated temperature sensor?
An integrated Pt100 temperature sensor is available as an option.
What shaft lengths are available?
The official specifications list 120, 225, 360 and 425 mm shaft lengths.
What connection does CPS41 use?
CPS41 uses a TOP68 connection head and has IP68 ingress protection.
