Endress+Hauser CM444 digital multi-parameter four-channel transmitter [Endress+Hauser CM444](https://www.cwlyautomation.com/product/4996.html "Endress+Hauser CM444") is a digital multi - parameter four - channel transmitter. The following is a detailed introduction from aspects such as its functional features, technical parameters, and application fields: **Functional Features** Simple and Ingenious: A single controller can meet the measurement requirements for various parameters and applications. It has an intuitive user interface, can automatically identify sensors, and the pre - calibrated Memosens digital sensors are plug - and - play, which is convenient and fast. High Flexibility: The universal module can be used for all parameter measurements, reducing spare parts inventory. And it can be easily expanded to an eight - channel measurement system with one - click operation at any time, flexibly adapting to different measurement needs. Seamless System Integration: It has a unique combination of communication standards, such as HART, PROFIBUS DP, Modbus TCP/Modbus RS485, EtherNet/IP, etc. It is suitable for various types of distributed control systems (DCS) and can be perfectly integrated with existing systems. Simple and Safe Commissioning: The configuration is saved in the SD card. During the second installation, the instrument settings can be quickly completed, saving commissioning time and effort, and also reducing the risk of setting errors. Remote Process Control: It has a built - in web server. Operators can remotely view diagnostic data, perform instrument settings, or view device parameters through any web browser, even a smartphone, achieving convenient remote monitoring and management. Higher Availability, Lower Operating Costs: It adopts Heartbeat Technology. Maintenance work is arranged based on the equipment condition, and measurement point verification can be easily carried out. It helps users take reasonable optimization measures, improving the availability of measurement points while reducing maintenance costs. **Technical Parameters** Input: 1 - 4 channels of Memosens digital input, 2 channels of 0/4 - 20mA input (optional), 2 - 4 channels of digital input (optional). Output: 2 - 8 channels of 0/4 - 20mA current output, alarm relay, 4 - way relay. It supports communication protocols such as Profibus DP, Modbus RS485, Modbus TCP, Ethernet/IP, and Profinet. **Process Temperature:** - 20 - 55°C/0 - 130°F. Protection Level: IP67, which can effectively prevent dust and water, adapting to harsh industrial environments. **Overall Dimensions:** 237×194×162mm (9.33×7.64×6.38 inches), with a compact structure, facilitating installation and integration into various systems. Application Fields **Food & Beverage Industry:** It can be used to monitor and control parameters such as pH, conductivity, and turbidity during food processing, ensuring product quality and the stability of the production process. **Life Science Field:** In processes such as biopharmaceutical production and cell culture, it can accurately measure parameters such as dissolved oxygen, pH, and nitrate, providing reliable data support for biological experiments and production. **Power & Energy Industry:** [Endress+Hauser CM444](https://www.cwlyautomation.com/product/4996.html "Endress+Hauser CM444") can be applied to aspects such as the water treatment system in power plants and boiler water quality monitoring. By real - time monitoring of water quality parameters, it ensures the normal operation of equipment and the safety of energy production. **Water & Sewage Industry: **In places such as water treatment plants and sewage treatment plants, it is used to monitor various water quality parameters, such as pH, conductivity, turbidity, and dissolved oxygen, helping to optimize the water purification and treatment process. **Chemical Industry:** It is suitable for measuring various parameters in the chemical production process, such as pH, ORP, and conductivity in reaction kettles, as well as the quality inspection of chemical raw materials and products. It helps to improve production efficiency and product quality and ensure production safety. **Marine Industry:** It can be used for aspects such as ballast water management and seawater desalination systems on ships, monitoring and controlling various parameters in water to meet the needs of ship navigation and operation.