Description
Introduction
The Endress+Hauser Liquiline CM442 is a versatile 1/2-channel digital liquid analysis transmitter designed for demanding process applications. It supports pH/ORP, conductivity, dissolved oxygen and other parameters, delivering reliable, high-precision measurements in chemical, food & beverage, life sciences and hazardous environments.
Specifications
| Parameter | Specification |
|---|---|
| Measuring Principle | Potentiometric |
| Core Functionality | Modular 4-wire controller, 1/2 Memosens digital channels, multi-parameter support (pH/ORP/conductivity/DO/turbidity/nitrate) |
| Design | 2x Memosens input, 2–4x current output, alarm relay, 2x relay, SD card for setup copy & paste |
| Housing Material | Housing base: PC-FR; Housing seal: EPDM |
| Dimensions | 237 × 194 × 162 mm (9.33 × 7.64 × 6.38 in) |
| Process Temperature | -20 to +60 °C (0 to +140 °F) |
| Ingress Protection | IP66 / IP67 |
| Certifications | EAC, cCSAus, MCERTS |
Key Advantages
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All-in-One Multi-Parameter ControlConnect up to 2 Memosens sensors for over 12 parameters (pH, conductivity, DO, turbidity, etc.) in a single unit, with automatic sensor recognition and plug-and-play functionality.
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Future-Proof Modular FlexibilityEasily expandable from 1/2 channels to up to 8 channels, with universal modules that reduce spare parts inventory and adapt to evolving process needs.
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Seamless & Secure System IntegrationSupports a full range of communication protocols (HART, PROFIBUS, Modbus TCP, EtherNet/IP, PROFINET) to integrate with any distributed control system (DCS).
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Fast Commissioning & Remote AccessSave configurations to an SD card for quick duplication across installations, plus an integrated web server for remote diagnostics and setup via any web browser or smartphone.
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Maximized Uptime with Predictable MaintenanceHeartbeat Technology enables continuous condition monitoring, allowing status-oriented maintenance to reduce downtime and optimize process reliability.