supply of multifunction metermultifunction meter,multifunction meter, nominal input voltage on site programmable : 100 to 600 vl-l, nominal input current on site programmable : 1/5a, higher auxiliary supply range : 100 to 550 v av/dc (230 v ac/ dc nominal), lower auxiliary supply range : 12 to 60 v av/dc (24 v ac/48 v dc nominal), accuracy class : 0.5s iec standard 62053-22, with rs485 with 2 relay modbus for communication, impulse led : for energy testing, ip 20 & ip 54, with lcd display, 3 phase 3w/4w network, parameters : vaf + kw + kvar + kva + k wh + kvarh + kvah + pf + pa + rh + oh + ni + mm + dm + md + nc + thd + rpm + ih, independent bi polar import and export energy counter, active energy (kwh), reactive energy (kvarh), apparent energy ( kvah) measurement and reactive energy inductive/capacitive, full scale lcd display with five parameter o n screen at a time (load analog bar graph, reverse current indication, phase absence indication and phas e sequence indication), three key program and scroll the parameter, upgrade from rs 485 to ethernet, th d and individual harmonics up to 31st, pt primary up to 1200 kv l-l, ct primary up to 9999a and continuo us current overload ? 200%. [ warranty period: 30 months after the date of delivery ] ]