supply of analog dc voltmeter , analog dc voltmeter size 72 x 72 mm square type panel mounting range 0-150v d c accuracy 1.5 % full scale deflection 90 degree as per rdso specification no. rdso/pe/spec/ ac/0184- 2015 (rev.1) acceptable makes -ae, yokins, muller + zeigler, l&t only [ warranty perio d: 30 months after the date of delivery ] ] , analog voltmeter nw 72, range 0-1000v ac, square panel mounting type, suitable for net 1 & net 2, size- 72x72 mm, suitable for switch board cabinet of lhb type ac c oaches conforming to rdso specification no. rdso/pe/spec/ac/0184-2015 (rev.1). acceptable m akes -ae, yokins, muller + zeigler, l&t only. [ warranty period: 30 months after the date of deliver y ] ]