bids are invited for smart dp transmitter with hart protocol, 2 wire, intrinsically safe, power supply:12 to 30 vdc, o/p:4 to 20 madc, local lcd display: built in, span range:0 to 21 kg/cm2g, differential pressure transmitter as per following specifications (1) type : smart (hart protocol) 2-wire (2) output: 4-20 ma, (3) power supply: 24v, dc, pressure transmitter as per following specifications (1) type : smart (hart protocol) 2-wire (2) output: 4-20 ma, (3) power supply: 24v, dc (4) total accuracy: ±0.2 % of span @1:1 range down or better, pressure transmitter as per following specifications (1) type : smart (hart protocol) 2-wire (2) output: 4-20 ma, (3) power supply: 24v, dc (4) total accuracy: ±0.2 % of span @1:1 range down or better, smart pressure transmitter specifications range: 0 - 60 bar service: liq/gas/vapour sensor type: capacitive/piezo resistive/silicon resonant/dpharp digital sensor. temp. limits: ambient -20 to +60 degc, process -20 to + 100 degc, smart vaccum pressure transmitter, range: ( -1.0 to + 1.0 kg/cm2 ) , accurcy : +/- 0.1% , power supply : 18-40vdc,turdown: 100:1, diaphragm seal type (pad) smart pressure transmitter for service: benfield solution (mainly consisting of 18-23% k2co3, 10 - 14% khco3), remote seal dpt as per following specifications : 1) service : giammarco vetrocoke solution (k2co3:26-29% wt, glycine: 0.5-1.2%wt, diethanolamine: 0.5-1.2% wt, v2o5: 0.40-0.55% wt total quantity : 48