NERS485 is new model from Narnarayan’s HVAC controllers for all in one application for Temperature , Relative Humidity and Differential Pressure data record directly on WWW or in PC. You can also see the data on cell phones. It offers better functionality, reliability & user friendly interface with its 2*16 LCD display the parameter which can be easily understand by user. It comes Mod bus RS485 serial communication interface. It comes with our software which can help you to track data from installation & show you the graph for specified period desired by user , you can also send the entire or specified period data in excel file format. Min period is 10min to 4 years, Data acquisition interval for all the parameter can be changed from 30 sec to 24 hrs. You can also set the limit above which an alarm will generate for all parameter in software .