bids are invited for differential pressure transmitter - differential pressure transmitter,smart ty hart protocol, span = 0 to 300/6000 mmwc, cal.range= 0 to 2500mmwc, accuracy = 0.1% of span,traditional mounting with bracket on 2pipe, with 3-way bypass manifold (matching with transmitter).self digonistic, output= 4-20 madc, 24vdc p.s. , differential pressure transmitter,smart type - differential pressure transmitter,smart type hart protocol,with 3 way manifold( matching with transmitter) ,local digital display. span : 0 -50/1000 mmwc.cal range:0 - 64.5 mmwc: accuracy: 0.075% span, no zero drift @long time harsh environment use , output: 4 - 20 ma @ 24 v d.c. total quantity : 1