SITRANS FM MAG 1100 Electromagnetic flow sensor, wafer design, diameter DN 2 to DN 100 (1/12" to 4"). Suitable for volume flow measurement of liquids (conductive) , for applications in water & wastewater, pharmaceutical and chemical industry. . DN40, 1 1/2 Inch Without process connection PFA (no ATEX) . Hastelloy C (only with PFA liner) Sensor for remote transmitter (Order transmitter separately) No bus communication Metric cable glands, Polyamid terminal box or MAG 6000i integral mount