Voltmeter Flush Mounting, Moving Coil Rectifier Type, Circular Scale, Range 0-170V Ac, 50 Cycles Sine Wave, Supply Graduated 0-30Kv Ac To Read In Steps Of 1 Kv. Type Sq-96. Full Scale Deflection 240 Deg., Accuracy Class +/- 1.0 Percent Conforming To Is:1248 Complete With Illuminated Dial And Vibration Proof Thick Rubber Gasket And Clamps Similar To Type 4Df Of M/S Ae Make. The Iilumination Of Dial Shall Be Done With Leds To Work With Normal Supply Voltage Of 110V Dc With Variation From 90V T/31221761/105741120 (EXPIRED)