supply of voltmeter flush mounting, moving coilvoltmeter flush mounting, moving coil,voltmeter flush mounting, moving coil rectifier type, circular scale, range 0-170 v ac, 50 cycles, sine wave, supply graduated 0-30 kv ac to read in steps of 1kv. type sq-96. full scale deflecti on 240 deg., accuracy class +/- 1.0% conforming to is: 1248 complete with illuminated dial and vibrati on proof thick rubber gasket and clamps similar to type: 4df of m/s. ae make. the illumination of the di al shall be done with leds to work with normal supply voltage of 110v dc with variation from 90v to 1 30 v. [ warranty period: 30 months after the date of delivery ] ]