Polmon instruments, an iso 9001 : 2000 company, provides the polmon differential pressure transmitter, model dpt-51t. These differential pressure transmitters are specially developed for hvac applications and clean rooms in apis, formulations, green houses, hospitals, clinical trials, pharmaceuticals, etc., to monitor the environmental conditions to meet regulatory requirements like fda, cgmp, iso 14644, etc. It is used to measure difference between two pressures and to transmit current signal [4-20 ma] to the process indicators or data loggers, which can help the user to monitor the dp and to take necessary steps to maintain the room conditions as per the requirements or application. Ss face plate, flush mount enclosure makes it unique and one of its own kind for clean room process measurement. The company also provides total integrated solution for clean room data acquisition system which acquires, monitors, records and reports the environmental parameters like rh, temperature, differential pressure, etc.