Temperate Range desired 500-1500 F or 260-815.50 C
Pressure range desired 0-450 PSIG
Px409 Absolute Pressure from 5 to 1000 psia
PX409 Series Gage and Absolute Pressure Transmitters
High Accuracy Pressure Transducers
$ 475.00 PX409-015GV
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http://www.omega.com/ppt/pptsc.asp?ref=PX409_Series&Nav=preb06
PX303
$ 320.00 PX303-3KG5V
http://www.omega.com/ppt/pptsc.asp?ref=PX303
http://www.omega.com/pptst/PX409_Series.html
http://www.grainger.com/Grainger/wwg/viewCatalogPDF.shtml?browserCompatable=true&adobeCompatable=true&toolbar=false&CatPage=797&Catalog=main