supply of supply of three phase dual mode (pre-pay and post-pay) smart energy meters, 10-100 s, accuracy class-1.0, 3x240vac, 3 phase 4 wire, t er proof, microprocessor based electronic static energy meter, conforming to is: 16444 & is: 15959. the communication module (cellular/rf based) with gprs/4g enabled sim card fallback to 2g modem. enclosure material-polycarbonate. , supply of three phase dual mode (pre-pay and post-pay) smart energy meters, 10-100 amps accuracy class-1.0, 3x240vac, 3 phase 4 wire, tamper proof, microprocessor based electronic static energy meter, conforming to is: 16444 & is: 15959. the communication module (cellular/rf based) with gprs/4g enabled sim card fallback to 2g modem. enclosure material-polycarbonate. [ warranty period: 36 month s after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]