Yokogawa offers a complete line of switchboard instruments to meet your every needs. Model are available 110 mm and 80 mm square size 250° to measure all electrical quantities. All switchboard instruments in the series feature rugged, friction free and shock resistant taut-band suspension elements. All model of AC instruments except 80 mm size wattmeters and varmeters are self-contained transducer needless external transducer boxes. The built-in transducer system offer many advantages including low cost, linear scales, greatly reduced volt-ampere loss. Yokogawa switchboard instruments offer a variety Models, such as from single phase to three phase four wire instruments, as well as model for balanced and unbalanced circuits. All instruments except synchroscope are complied with JIS C 1102.