NOSHOK Inc., Berea, OH, offers the 627 Series intrinsically safe submersible level transmitters that are available in pressure ranges from 50 in. H2O to 350 psig. The devices use diffused semiconductor or sputtered thin-film strain gauge sensors and have robust electronics, a polyurethane jacketed cable, and a SS nosecone, weighted SS nosecone, or NPT adapter. Accuracy is ±0.25% F.S., B.F.S.L.; ±0.125% accuracy is optional. Output is a 4–20 mA signal. The transmitter is FM and CSA approved Classes I, II, and III, Div. I, II, and Groups A, B, C, D, E, F, and G.