Micropilot FMR60B – 80 GHz radar sensor, Accuracy, +/-1 mm (0.04 in), , Process temperature, -40 … +200 °C (-40 … +392 °F), , Process pressure / max. overpressure limit, Vacuum...20 bar (290 psi), , Max. measurement distance, 50 m (164 ft), , Main wetted parts, PVDF, PTFE or PEEK