Based on this product's specifications, here are some alternatives and similar models
Humidity and Temperature Transmitter Greisinger GHTU-1R-MP 112490
Summary description:
Greisinger GHTU-1R-MP 112490 is a combined humidity and temperature transmitter designed for continuous monitoring and signal output. It provides simultaneous measurement of relative humidity and air temperature in HVAC, climate control, and industrial environments. Intended for integration with control systems, the unit offers reliable sensor readings for process monitoring, building automation, and environmental logging.