supply of ohe power presence/absence indicator. , supply and installation of ohe power presence/absence indicator for inspection bay as per model no. : ss402 of m/s samadhan or equivalent and drawing no. clw/es/3/sk-1/dkae , clw/es/3/sk2/dkae and clw/es/3/sk -3/dkae. each set consist of items as follows:- (i) sensor mount with guard, qty. 01 no. (ii) sealed sensor, qty 01 no. (iii)connecting cable of length 5 meters, qty: 01 no. (iv) display cum power supply unit with working input voltage 1 80 v to 250 v ac qty: 01 no. and display unit should be able to indicate power on/off and sensor failure, qty: 01 n o. (v) connecting cable 2 of length 5 meters. qty: 01 no. [ warranty period: 30 months after the date of delivery ] ]