supply of 1) digital voltmeter with led display, size 96 sq. cm, multi line for measuring ry, yb & br. input voltage 800v l-l. 2) digital ammeter with led display size 96 sq. cm, multi line for measuring input current r, y & b: 0-600a. 3) led frequency meter size 96 sq. cm. for measuring frequency suitable for voltage, 50-550v ac. 4) multi function meter, ct/pt site programmable for input voltage measurement 50-550v ac1) digital voltmeter with led display, size 96 sq. cm, multi line for measuring ry, yb & br. input voltage 800v l-l. 2) digital ammeter with led display size 96 sq. cm, multi line for measuring input current r, y & b: 0-600a. 3) led frequency meter size 96 sq. cm. for measuring frequency suitable for voltage, 50-550v ac. 4) multi function meter, ct/pt site programmable for input voltage measurement 50-550v ac,multi function meter, ct/pt site programmable for input voltage measurement 50-550v ac, l -l, ct-1/5a, aux. supply 24/110v dc, led/lcd digital display, 96 sq. cm, class-1.0, for measuring paramete r v, a, f, pf, kw, kva, kvr, kwh, kvah, kva, rh, run hours on hours, phase angle interrupts thd events ( high, low) for switch board cabinet for hog compliant lslrd coaches as per rdso specification no. rdso/p e/spec/d/tl/0195-2019 (rev.0). makes as per bom of rdso specification. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , digital voltmeter with led display, size 96 sq. cm, multi line for measuring ry, yb & br. input voltage 800v l-l, with aux. supply 24/110v dc, 4va. class:1.0 for switch board cabinet for hog compliant lslrd coaches as per rdso specification no. rdso/pe/spec/d/tl/0195-2019 (rev.0). makes as per bom of rdso specification. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , digital ammeter with