supply of analog dc voltmeteranalog dc voltmeter,voltmeter range 0 to 800 volt ac , size -72x72 mm as per ae model zw 720-800 v ac rdso approved makes ae, muller+ziegler, rishabh, l&t,yokins as per bill of material (sl no 15/21) of rdso spec no rdso/pe/spec/ac/0184- 2015 (rev.0) or latest for lhb ac coaches. [ warranty period: 30 months after the date of delivery ] , analog dc voltmeter size 72 x 72 mm square type panel mounting range 0-150v dc accuracy 1.5 % full scale deflection 90 degree as per rdso specification no. rdso/pe/spec/ac/0184-2015 (rev.1) makes ae-nw72,yokins, muller + zeigler, rishabh, l&t [ warranty period: 30 months after the date of delivery ] => limited