tender for voltage measuring meter (voltmeter-04) - digital panel meter size-96x96mm with 4 digit display with min. digit height of 12.5mm (suitable for flush mounting in control panel), with auxiliary supply: 220 v dc+/- 10 , instrument shall confirm to relevant is and shall have an accuracy class of +/- 0.5 or better. and compactable without transducer (having following specification : input : 0-500 v,range-0-500v ,pt-not applicable, accuracy:0.5)