Starting at $3,632.78
  • Usually ships in 6-8 weeks



  • 2-wire, loop-powered, with HART 7
  • Small dead zone and beam angle
  • 0.08in (±2mm) accuracy
  • Can measure in fast moving processes
  • Suitable for SIP and CIP
  • Large 4 button, backlit LCD screen
  • Extensive sensor diagnostics
  • Conform to FDA, EC 1935/2004, EC 2023/2006 and EU 10/2011
  • 3 year warranty


The KROHNE OPTIWAVE 3500 C Radar Level Transmitter is a 2-wire 80 GHz radar (FMCW) level transmitter for liquids in hygienic applications. It is designed for continuous, non-contact level measurement in the food and beverage as well as pharmaceutical industry. The device features a flush-mounted PEEK Lens antenna with a small beam angle and dead zone for precise measurement even in small and narrow tanks with agitators. It is equally suited for use on larger tanks up to measuring distances of 50 m / 164 ft.

The OPTIWAVE 3500 C fits applications with any finished or raw product from raw milk, wine or juice to solvents. As the radar withstands process temperatures up to 302°F(150°C) and pressures up to 362 psig(25 barg), it can be used in CIP/SIP cleaning procedures. The OPTIWAVE 3500 offers a large choice of hygienic process connections. It comes with extensive device diagnostics as well as HART 7 communication.