Endress+Hauser CM42-MAA100EAD00 In-line Conductivity Sensor Pure & Ultrapure Water

Achieve unmatched measurement reliability in your most critical pure and ultrapure water (UPW) loops with the Endress+Hauser CM42-MAA100EAD00. This advanced, hygienic in-line conductivity sensor is engineered for the stringent demands of the pharmaceutical, biotechnology, power generation, and microelectronics industries. Its 4-electrode, 2-cell constant design delivers highly accurate and stable readings over a wide range, ensuring compliance with global pharmacopeias (USP, EP, JP) and industry standards.

Technical Specifications at a Glance

Product Type: CM42 in-line conductivity sensor, inductive version available (CM42P...).

Ordering Code: MAA100EAD00 - Specifies: 4-electrode cell constant k=0.1 cm⁻¹, PEEK body, tri-clamp connection, Pt1000, IntelliCAL.

Measurement Range: Optimized for low conductivity applications (typically μS/cm and below).

Process Connection: Sanitary tri-clamp (other connections available).

Process Temperature: Up to 130°C (266°F) for sterilization.

Materials in Wetted Parts: PEEK body, platinum electrodes, FKM seals.

Certifications: Compliant with cGMP, 3-A optional. Meets requirements for USP <645> water conductivity testing.

Primary Applications (Industry Keywords)

The CM42-MAA100EAD00 is the ideal choice for monitoring water quality in:

Pharmaceutical & Biotechnology: Water for Injection (WFI), Pure Steam, Clean-in-Place (CIP) loops, USP <645> compliance.

Microelectronics & Semiconductor Manufacturing: Ultrapure Water (UPW) production and distribution.

Power Generation: Monitoring feedwater, condensate, and boiler blowdown in power plants.

Food & Beverage: Final rinse water, product water conductivity monitoring.