HW4 Software for Rotronic Humidity Transmitters

Easy Configuration and Data Retrieval

Data integrity and security are of essential importance today. Companies in the pharmaceutical, food, and medical technology industries must prove that their data is measured and managed reliably. For this they require software and devices that can be validated. Combining Rotronic HW4-compatible instruments and HW4 software, Rotronic provides a solution in which validation plays a central role. The instruments and software are validated and compatible with FDA 21 CFR Part 11 (directive of the US Food and Drug Administration, FDA) and GxP.


  • HW4 Lite
  • HW4-E-V3-Code (Standard version)
  • HW4-P-V3-Code (Professional version)
  • HW4-Q-QUICK-V3-Code (Professional with water activity)
  • HW4-P-OPC-V3-Code (Professional with OPC server)
  • HW4-VAL-V3 (Validated version)