supply of digital multi function meter with lcd display,digital multi function meter with lcd display,,digital multi function meter with lcd display, flush mounted type of size 96 mm x 96 mm wit h aux. supply: 44 - 277 volts ac, input voltage: 80 - 480 v (line to line), ct range: 5 amps and suitable to measure voltage, current, frequency, power, power factor, demand, thd, energy (kwh, kvah, kvarh) in 3 phase 3 wire & 3 phase 4 wire circuits and having accuracy class 0.5 with rs 485 port compatibility, produc t similar to model no. elite 307 make secure meters, make required : secure, elmeasure, schneider, si emens, solnel or l&t only, the firm shall submit the calibration & warranty certificate along with supply, item supplied by oem/authorized dealers only. [ warranty period: 24 months after the date of delivery ] ] => limited