Proline Promag W 300/500 electromagnetic flowmeters include W 300 compact version with multiple I/O and W 500 available as a remote transmitter with cable length to 1,000 ft. (300 m). Both carry custody transfer and Ex approvals, Ip68 rating, and hard rubber, polyurethane or PTFE liners to meet international drinking water approvals KTW/W270, WRAS, NSF 61 and ACS. In line sizes from 1 to 90 in. with welded or lap-joint flanges, 0 DN inlet option guarantees accuracy within 0.5%, even when installed immediately after an obstruction.