OPTIWAVE 3500 C (80 GHz)
for liquids with hygienic requirements
OPTIWAVE 6400 C (24 GHz)
for solids from granulates to rocks
This 80 GHz FMCW radar transmitter for hygienic 
liquid applications in the pharmaceutical, food and 
beverage industries is CIP-SIP suitable and offers a 
large choice of hygienic process connections: 
Tri-Clamp®, Tuchenhagen VARIVENT®, SMS, 
DIN 11851, DIN 11864-1 Form A, NEUMO 
BioControl®.
The small dead zone and beam angle of its 
flush-mounted Lens antenna enables precise 
measurement even in small and narrow tanks with 
agitators. The OPTIWAVE 3500 measures up to 
50 m / 164 ft in process conditions up to +150°C / 
+302°F and 25 barg / 363 psig.
By combining high signal dynamics and FMCW radar 
technology, this market-entry 24 GHz radar device 
measures accurately and reliably the level of solids 
like stone, plastic granulates or coffee beans. No 
need for expensive antenna aiming kits or purging 
systems; the proven Drop antenna design minimizes 
scaling and is not affected by the angle of repose.
It operates in process conditions with temperatures 
up to +130°C / +266°F and pressures up to 16 barg / 
232 psig. The antenna options permit the device to 
measure distances up to 100 m / 328 ft.