supply of ac static watt-hour meter (electronic energy meter) etcac static watt-hour meter (electronic energy meter) etc,ac static watt-hour meter (electronic energy meter) with lcd display, isi marked, single phase, i(b) : 10 amps, i(max) as % of i(b): 400, v(ref):240, ct: nil, suitable for measurement of ac activ e electrical energy in the frequency range of 50hz plus/minus b15% in single phase or three phase syst em with balanced or unbalanced loads and conforming to class one of is:13779-2020. [ warranty peri od: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]