Description Description Dwyer ATEX differential pressure switch Model: 1950G-00-B-24 Range: 0,07…0,15 inches w.c. (18...38 Pa) Power requirements: 24 VDC Max. pressure: 45 inches w.c. (11,2 kPa) Process connection: 1/8" NPTF ATEX EEx d IIC T6