Endress+Hauser Liquiline M CM42 CM42-MGA000AED00J30DFF05G00 Transmitter

The Endress+Hauser Liquiline M CM42 is a rugged, high-performance liquid analysis transmitter designed for continuous measurement and monitoring of pH, ORP (Redox), conductivity, dissolved oxygen, and other analytical process parameters. Built for demanding industrial environments, the CM42 supports both conventional analog sensors and advanced Memosens digital sensors, making it ideal for chemical processing, pharmaceuticals, food & beverage production, water treatment, and hazardous-area applications.

Key Features

• Industrial liquid analysis transmitter
• Supports pH, ORP, conductivity, and dissolved oxygen measurement
• Compatible with Memosens digital sensor technology
• 4–20 mA analog outputs
• HART, PROFIBUS PA, and FOUNDATION Fieldbus communication options
• Suitable for hazardous area installations
• Intuitive local operation and configuration
• Robust field-mounted housing
• IP66/IP67 environmental protection
• Designed to IEC 61508 functional safety standards

Specifications

• Manufacturer: Endress+Hauser
• Product Family: Liquiline M
• Model: CM42
• Full Model Code: CM42-MGA000AED00J30DFF05G00
• Device Type: Liquid Analysis Transmitter
• Measurement Parameters:
  • pH
  • ORP (Redox)
  • Conductivity
  • Dissolved Oxygen (sensor dependent)
• Inputs:
  • Memosens digital sensors
  • Analog sensors (configuration dependent)
• Outputs:
  • 1 or 2 × 4–20 mA
• Communications:
  • HART
  • PROFIBUS PA
  • FOUNDATION Fieldbus
• Enclosure Rating:
  • IP66 / IP67
  • NEMA 4X
• Hazardous Area Approvals:
  • ATEX
  • IECEx
  • FM
  • CSA (configuration dependent)
• Functional Safety:
  • Developed in accordance with IEC 61508

Function

The Liquiline CM42 acts as the central transmitter for process analytical sensors, converting measurements such as pH, conductivity, ORP, or dissolved oxygen into industry-standard output signals for PLC, DCS, and SCADA systems. Its advanced diagnostics, digital sensor support, and hazardous-area approvals make it a trusted solution for critical process monitoring applications.

Typical Applications

• Water and wastewater treatment
• Chemical processing plants
• Pharmaceutical manufacturing
• Food & beverage production
• Oil & gas facilities
• Utilities and power generation
• Process analytical monitoring
• Hazardous-area liquid analysis systems