Polmon instruments offers rh and temperature transmitters that have been specially developed for hvac applications and cleanrooms in apis, formulations, green houses, hospitals, clinical trials, pharmaceuticals, etc, to monitor the environmental conditions and to meet regulatory requirements, like fda, cgmp, iso 14644, etc. Integrated sensors to measure relative humidity [0 to 100 per cent] and temperature [-40ºc to 60ºc] with dual 4-20 ma output to interface to dataloggers for recording. Enclosures are designed to mount on wall, duct, flush mounting to suit wide applications. Also offered are total integrated solution for cleanroom data acquisition system which acquires, monitors, records and reports the environmental parameters, like rh, temperature, differential pressure, etc.