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Inputs from Up to Eight Analytical Sensors

Wed, 07/18/2012 - 8:09am

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Endress+Hauser LiquilineEndress+Hauser introduces the Liquiline CM44 Series multi-channel transmitter for monitoring and controlling processes in water, wastewater, chemical, power and other industries. According to the company, CM44 transmitters additionally provide:

  • The acceptance of inputs from up to 8 Endress+Hauser Memosens digital analytical sensors (lab-calibrated devices that simply plug in via an M12 connector), including nitrate, spectral absorption coefficient, pH, ORP, conductivity, oxygen, turbidity and ion-selective electrode sensors.
  • Mathematical functions to calculate a maximum of 6 virtual process values, including pH calculation based on 2 conductivity values, often used in boiler feed water and similar applications; difference between 2 measured values from different sources, such as for membrane monitoring; differential conductivity to monitor the efficiency of ion exchangers; degassed conductivity for process control in power plants; redundancy for monitoring 2 or 3 measuring sensors; and rH calculation based on the measured values of pH and ORP sensors.
  • The flexibility to be easily field-upgraded from 2 to 4 or 4 to 8 sensors by plugging in new modules.
  • 4- to 20-mA current outputs with HART, Ethernet, Profibus, and Modbus TCP or 485 networks.
  • Additional outputs that include up to 4 relay outputs capable of switching 24, 115 or 230 VAC.
  • The capability of relay outputs to sound alarms, start or stop cleaning functions, activate a controller, or perform other related functions. 
  • An integrated web server for remote access via any web browser.
  • A back-lit graphic display that not only alerts users to errors, but also displays load curves and outputs from the built-in data logger, while featuring drop-down menus for monitoring values.
  • A data logger that can maintain up to 8 separate data logbooks, with 150,000 entries per logbook (which tracks up to 75 calibrations), plus an adjustable scan time of 1 second to 6 hours.
  • A rugged plastic IP66/67 housing that is leak-proof and corrosion resistant, making it ideal for use in non-hazardous applications.
  • Optional current inputs for processing signals from other process devices, such as flow, level or pressure sensors.

info@us.endress.com

www.us.endress.com/liquiline

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