supply of supply & installation of the ohe power presence/absence indicator for inspection sunken pit as per model no. ss402 of m/s samadhan or similar. each set consists of following items (1.) sensor mount with guard,qty in each set - 01 no.) (2.) sealed sensor qty. in each set - 01 no. (3) connecting cable of length 05 meter. qty in each set -01 no. (4) display cum power supply unit with working input voltage 180v to 250 ac, acqty in each set - 01 no. & display unit should be able to indicate power on/off and sensor failure, qty in each set - 01 no. (5) connecting cable 02 with length 05 meter qty in each set - 01 no. , supply & installation of the ohe power presence/absence indicator for inspection sunken pit as per model no. ss402 of m/s samadhan or similar. each set consists of following items (1.) sensor mount with guard, qty in each set - 01 no.) (2.) sealed sensor qty. in each set - 01 no. (3) connecting cable of le ngth 05 meter. qty in each set -01 no. (4) display cum power supply unit with working input voltage 180v to 250 ac, ac qty in each set - 01 no. & display unit should be able to indicate power on/off and sensor f ailure, qty in each set - 01 no. (5) connecting cable 02 with length 05 meter qty in each set - 01 no. note- item has been supply and installation of the ohe power presence/absence indicators: 02 numbers at hw , 02 numbers at ynrk & 02 numbers at ddn. [ warranty period: 30 months after the date of delivery ] ]