YOKOGAWA designed the CX Series to be used under harsh environmental conditions. The front panel has a dust-proof, water-proof design which is compliant with the IEC529-IP65 and NEMA No. 250 TYPE4* standard. This structure provides good protection for the recorder's internal components as well as the removable storage media drive mechanism. Compliance with IP65 means that the front panel has met stringent requirements such as complete protection (of internal components) against dust, and protection against functional errors even when the recorder is sprayed with a jet stream. The CX Series'ability to endure such environmental conditions has been proven through stringent evaluation tests.

*Except external icing test.

DX Series use high-breakdown-voltage solid-state relays developed by YOKOGAWA as scanners for switching input signals. These relays consist of MOSFETs capable of withstanding high voltage (1500 V DC) with low leakage current (3 nA), and power-output photocouplers. They provide high-speed scanning while increasing scanner life and eliminating noise.

DC voltage and thermocouple inputs in all CX Series models are channel-isolated. (Channel isolation for RTD inputs is optional on some models.) The high common mode noise characteristic enabled by isolated channel inputs ensures stable measurements in a wide range of fields.

Input terminals are the "entryways" through which all measurements enter a recorder. Their reliability is critical to enabling stable data collection. Rugged M4 screw input terminals are used in all CX Series recorders.

Another indication of the reliability of CX Series is their compliance with the stringent specifications for international safety and electromagnetic compatibility (EMC) standards. Of course, CX Series have also meet CE standards.

Control output relays wear out over time, so the DAQSTATION CX is designed to make it easy to remove and attach the relays from the output module. This makes maintenance work and field replacements easier.