Data Loggers with GPRS Modem acquires and stores up to 28 parameters in any combination of analogue or digital with 16 digital bits as one parameter. The Data Loggers have inbuilt GPRS modem. The Data Loggers ensure data upload over FTP or SMS to a central server. The Data Loggers with GPRS Modem connects to the equipment control system over mod bus, and has onboard I/ O for connecting to sensors, and doing simple on/ off control.