supply of digital frequency meter net 1, 750 v ac, 50 hz, class 0.2,digital voltmeter, digital ammeter with led display ... , digital frequency meter net 1, 750 v ac, 50 hz, class 0.2. true rms, auxilliary sup ply - 24 v dc 4 digit 3 row 7 segment display as per icf annexure - b to rcf specification edts - 103, rev. d, amdt-7 with rdso modificationsheet rdso/pe/ms/ac-0051-2011, rev.02, amd-1 for h og compliance, make/brand-lauritz knudsen / socomec/rishabh /siemens only [ warranty period: 30 months after the date of delivery ] ] , digital voltmeter with led display, size 96 sq. mm 0-800 v ac cl1 true rms aux supply- (1 2-48 v dc), 4 digit, 3-line 7 segment display. as per specification as per, rdso/spec/pe/tl/0195-2019(rev- 0). make/brand-lauritz knudsen / socomec/rishabh /siemens only [ warranty period: 30 months afte r the date of delivery ] ] , digital ammeter with led display, size 96 sq.mm, 0-600 a ac, 50hz,ct, 1a/5a, programma ble, class-1, true rms aux. supply voltage (12-48 v dc), 4 digit, 3 line, 7 segment display. conforming to rdso specification rdso/pe/ spec/ tl/ 0195 2019( rev 0).or latest. or rcf spec. no edts-103 rev-d, am- 7 or latest. suitable for lhb power car and lslrd. make:-lauritz knudsen / socomec/rishabh /siemens only [ 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 accura cy 1.5 % full scale deflecting 90 degree as per rdso specification no. rdso/pe/spec/ac/0184-2015(rev.1) make/brand-rishabh, muller + zeigler, l&t only [ warranty period: 30 months after the date of delivery ] ] , analog dc ammeter np72 for charge/discharge of battery 50-0-50 amps as per sl. no. 47 of bill of material of rdso spec. no. rdso/pe/spec/ac/0184/2015 rev.1. suitable for lhb type ac coaches swi tch board cabinet. acceptable makes: muller, zeigier, rishabh, l&t only acceptable as per above spec. [ w arranty period: 30 months after the date of delivery ] ] , analog voltmeter nw72 battery 0-150v dc conforming to rdso specification no. rdso/pe/s pec/ac/0184- 2015 (rev.1), annexure column no. 1, sl. no. 48 suitable for switch board cabinet of lhb eo g ac coaches. make- muller, zeigler, rishabh, l&t, indotech only [ warranty period: 30 months after the date of delivery ] ] , analog type frequency meter fzq72 din , range : 45-50-55 hz , 72 mm x 72 mm , operatin g voltage : 360-440 v ac having accuracy class : 1 conforming to rcf specification no : edts 103 rev-d , am-7 or latest , make- muller only. [ warranty period: 30 months after the date of delivery ] ] , analog ac ammeter np-72, 0 to 100a: 200a cl.1.5 for current transformer 100/1a of size 72 x72 mm as per rdso spec. no. rdso/pe/spec/ac/0184-2015(rev.1) suitable for use in switch board cabine t of lhb type ac coaches, make/brand-rishabh/muller+zeigler/indotech only [ warranty period: 30 mon ths after the date of delivery ] ] , analog voltmeter 0-1000v, nw72 square panel mounting, ac insulation class ci-1 , accuracy:1.5, size-72mmx72mm with 750v making suitable for fixing in lhb ac coaches switch board cabinet as per rdso spec: - rdso/pe/spec/ac/0184-2015, rev-1, rdso approved makes: rish abh/muller+ zieghfer/l&t only [ warranty period: 30 months after the date of delivery ] ]