Chart recorder, the data acquisition device to furnish data in the form of a graph versus time and instant data access facility also available without the help of any computer or laptop to download data. Instant written document can be acquired and applying this recording system can retrieve instant data as well as the data of a long period. In medical, regular recording and measuring tool are used for the daily data analysis of the patients 'report. Environment testers and temperature chart recording system are effective in providing information of the humidity, temperature and the pollutants in the atmosphere for data analysis and comparative study. Strip recorders are mainly used in the laboratories as well as in process measurement applications. Circular chart recorder is ideal for batch process that are designed to rotate in standard time periods and recording xy is useful in chemical process to monitor the effect of the temperature on pressure. Hybrid data acquisition device that combines analog trend representation and digital information on the same chart.
