data logger and accessories purchase of data logger, gprs modem, sensor and other accessories , gprs based datalogger and accessories , gprs modem and antennae with single / dual sim ( 4g ) ( compatible with 3g ) . , gps antennae with minimum 8 dbi antenna gain , enclosure with ip-67 compliant enclosure with mounting accessories for data logger, gprs modem, pressure sensors and mppt / pwm solar charge controller for charging 65ah, 12 v smf battery and its mounting accessories on 1.5 inches triangular mast of aws , 75 w monocrystalline solar panel for charging the smf 65ah, 12 v battery with mounting accessories on the mast. , mppt / pwm solar charge controller , rain gauge sensor ( tbrg ) with mounting accessories and 10-meter two core shielded teflon cable , calibration certificate of each sensor , hard and soft copy of operation and maintenance manuals of sensors and datalogger , offline training to imd officials at rmc chennai / as per delivery address mentioned in annexure i , transportation of one set of items to imd offices as per supply order safely in good condition as per list enclosed in annexure –i.