Capital power systems manufactures single phase 2 wire watt-hour meters. These watt-hour meters are compact, elegant design, simple construction, highly accurate and durable. These meters are available with salient features like sturdy construction; low watt-loss electromagnets; encapsulated voltage coil; sturdy pressure die cast frame; superior grade bakelite terminal block; unique 4 pole brake magnet system; low temperature rise in electromagnets; frontal adjustments; machine wound potential and current coils; light weight low friction cyclometers; metallic/ black polycarbonate base with cross ribs and transparent polycarbonate cover/ metallic cover with toughened glass window/ complete glass cover. The technical specifications of the single phase 2 wire watt-hour meters are 220, 230, 240, 250 v voltage; 50 hz frequency; 0.5 % starting load; no creep on 25% to +10%voltage variation; 1 min 2 kv rms insulation test voltage; 6 kv impulse voltage test with surge wave and 4 gm/cm torque. The company makes these meters as per international standards.