Product Description

The Endress+Hauser Liquiline M CM42 Transmitter is a high-performance industrial liquid analysis device designed for continuous measurement of pH, ORP, conductivity, and dissolved oxygen in process applications.

The transmitter supports both Memosens digital sensors and conventional analog sensors, enabling flexible integration into existing industrial systems. Designed for both hazardous and non-hazardous environments, CM42 provides stable signal processing and simplified operation for demanding industries including chemicals, pharmaceuticals, food processing, and water treatment.

Its intuitive configuration and multiple communication protocols help improve process efficiency while reducing maintenance requirements and downtime.

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Key Features

• Supports pH, ORP, conductivity, and oxygen measurement
• Compatible with Memosens and analog sensors
• One-channel transmitter design
• HART / PROFIBUS PA / FOUNDATION Fieldbus support
• Suitable for hazardous and non-hazardous areas
• IP66/IP67 protection rating
• Stainless steel or plastic housing options
• Simplified operation and maintenance
• Suitable for process industries and hygienic applications

Applications

• Chemical process systems
• Pharmaceutical production
• Food and beverage processing
• Water and wastewater treatment
• Power generation plants
• Oil and gas process systems
• Industrial liquid monitoring
• Process automation systems

Selection Notes

Before selecting Liquiline M CM42, confirm:

• Required measurement parameter (pH / ORP / conductivity / oxygen)
• Sensor type (Memosens or analog)
• Communication protocol (HART / FF / PA)
• Hazardous area requirements
• Housing material preference (plastic or stainless steel)
• Installation environment and protection level
• Output requirements (4–20mA / digital communication)

FAQ

Q: What is Liquiline M CM42 used for?
A: It is used for industrial liquid analysis including pH, ORP, conductivity, and oxygen measurement.

Q: Does CM42 support Memosens sensors?
A: Yes. It supports both Memosens digital sensors and analog sensors.

Q: Can it be used in hazardous areas?
A: Yes. It includes multiple hazardous area approvals such as ATEX and IECEx.

Q: Which communication protocols are available?
A: HART, PROFIBUS PA, and FOUNDATION Fieldbus are supported.

Q: Is it suitable for food and pharmaceutical applications?
A: Yes. It is widely used in hygienic process environments.

Q: What protection level does CM42 provide?
A: IP66/IP67 and NEMA 4X protection are available.