Digital Measuring Modules
For Memosens or digital sensors
![](https://www.knick-international.com/wp-content/uploads/2018/06/3-jahre-garantie-en.jpg)
Digital input modules for measurement of pH/ORP, conductivity or oxygen. With Memosens or digital sensors.
- Perfect galvanic isolation
- Plug & Measure
- Maximum availability
- Pre-calibrated sensors
- Intelligent diagnostics
Overview of Digital Measuring Modules
MSU 4400(X)-180
Digital measuring and communication module for Memosens sensors.
Up to three Memosens sensors can be connected to a module with the MSU 4400(X)-180 multichannel and multiparameter measuring module. Protos II 4400(X) offers space for up to two measuring modules and can be easily and flexibly expanded into a multichannel transmitter for up to six Memosens sensors with the MSU 4400(X)-180.
MS 4400(X)-160 / MS 4400(X)-160
Module for measurement of pH/ORP, conductivity or oxygen using Memosens sensors
LDO 4400-170 / LDO 4400(X)-170
Module for measurement of oxygen using optical sensor SE 740
Downloads
Manuals
![Installation Instructions - Digital Measuring Modules](/export/mediathumbs/17173.jpg)
Installation Instructions (en)
![Manual - Digital Measuring Modules](/export/mediathumbs/17167.jpg)
Manual (en)
![Installation Instructions - Digital Measuring Modules](/export/mediathumbs/14607.jpg)
Installation Instructions (en)
![Manual - Digital Measuring Modules](/export/mediathumbs/1173.jpg)
Manual (en)
![Installation Instructions - Digital Measuring Modules](/export/mediathumbs/14613.jpg)
Installation Instructions (en)
![Manual - Digital Measuring Modules](/export/mediathumbs/12571.jpg)
Manual (en)
Control Drawings
![Control Drawing - Digital Measuring Modules](/export/mediathumbs/16771.jpg)
Control Drawing (en)
Certificates / Approvals
![EU Declaration of Conformity - Digital Measuring Modules](/export/mediathumbs/14666.jpg)
EU Declaration of Conformity (en)
![EU Declaration of Conformity - Digital Measuring Modules](/export/mediathumbs/14656.jpg)
EU Declaration of Conformity (en)
![EU-Type-Examination Certificate - Digital Measuring Modules](/export/mediathumbs/14327.jpg)
EU-Type-Examination Certificate (en)
![IECEx Certificate of Conformity - Digital Measuring Modules](/export/mediathumbs/4638.jpg)
IECEx Certificate of Conformity (en)
![Certificate of Compliance (FM) - Digital Measuring Modules](/export/mediathumbs/16756.jpg)
Certificate of Compliance (FM) (en)
![Certificate of Compliance (FM) - Digital Measuring Modules](/export/mediathumbs/16763.jpg)
Certificate of Compliance (FM) (en)
![Certificate of Conformity (China - Ex NEPSI) - Digital Measuring Modules](/export/mediathumbs/12582.jpg)