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    Reliable high-voltage and current measurement, high-precision energy metering, safe signal isolation
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    Multiparameter measuring device in a 17.5 mm modular housing
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  • BasicLine | Interface Technology
    Optimized for standard applications
  • Process Analytics | Measurement by System
    From the sensor to the process analyzer
  • Portavo | Memosens Mobile
    Portables with Memosens technology

Protos II 4400 S/C (X) - Basic Unit

With hygienic surface or corrosion-proof coating

The Protos II 4400 (X) premium transmitter is a flexible, 4-wire device for the following process variables: pH, ORP, conductivity and oxygen.

For monitoring and controlling processes even in the most complex applications — also in hazardous areas.

Retrofits Possible, Future-Proof.
Protos II 4400 (X) features a unique modular design and freely accessible wiring with a clear layout. The option for easy retrofitting and upgrading ensure planning security today and in the future. Different Ethernet and Fieldbus modules enable digital com-munication and seamless integration into automation systems.

Wide Sensor Selection
Protos II 4400 (X) is the only process analysis system that can be  flexibly combined with Memosens and other digital or analog sensors —  in multi-channel mode as well.
With Memosens technology, up to 4 measuring channels can be imple-mented in parallel.

Status Messages acc. to NE 107
All status messages for maintenance requests, failure, out of specification, and function check (HOLD) are output as specified in NE 107.

Contact Us
Phone: +49 30 80191-0
Fax: +49 30 80191-200
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