supply of level transmitter frl unit and air filter regulating unit , supply of level transmitter, frl unit and air filter regulating unit. details are in annexure-1 , frl unit knob type, i/o port size 1 “ nptf, 0-10 kg/cm2, mwp: 15 kg/cm2 , air filter regulater unit media : air, adjustment: knob type / nut type, input / output port size: ¼” npt (f), pressure range: 0-10 kg/cm2, manual drain with pressure gauge (0-8) kg/cm2, metal bowl seal nbr, filter rating: 5um, filter material : sintered bronze, with set nut for panel mount , ultrasonic level transmitter, power supply:- 24 v dc output:- 4-20 ma, 2 wire display parameter process connection:- 2-in. npt thread temperature:- -30 to 70 deg c meter range:- 0-10 meter wetted material:- pvdf mounting:- top area of application:- acid/alkali stoage, measuring tanks, neutra pits , level transmitter, type:- hydrostatic level measurement static pressure:- 0 to 400 mbar power supply- 24 v dc output:- 4-20 ma, 3 wire display parameter process connection:- 2-in. npt thread temperature:- -30 deg c to 80 deg c meter range:- 0-4000mm wetted material:- ss 316 mounting:- top additional information:- similar to already installed level transmiiter of endress+hauser make