Based on this product's specifications, here are some alternatives and similar models
Wired Temperature and Humidity Sensor Ropam RHT-RN (model 26283)
Summary description:
Ropam RHT-RN is a wired temperature and humidity sensor designed for environmental monitoring and building automation. The unit provides continuous measurement of ambient temperature and relative humidity and connects via a wired interface for integration with control systems. Suitable for HVAC monitoring, server rooms, storage areas and residential or commercial installations where reliable wired sensing is required.