General purpose 9420 Series pressure transmitters share fused-ceramic diaphragm and fixed-range 4 - 20mA 2-wire output amplifier technology with the rugged P9420-800 Series Hammer-Lug Union transmitters. Housed in a thick walled casing of the highest specification material, the 9420 Series is ideally suited to rugged and corrosive service in an oil field environment, Sour Service is standard. 9420 transmitters are available with a wide variety of connector options to suit your system requirements. Each unit carries a 2-year warranty.