Specifications
Category Specification Details
Model Yokogawa F3-NC51
Type Non-Contact 24 GHz FMCW Radar Level Transmitter
Measuring Range Up to 30 m (98 ft)
Frequency 24 GHz (K-Band)
Accuracy ± 10 mm (± 0.39 in) or 0.1% of distance to target (whichever is greater)
Process Connection Standard: 2-inch NPT thread
Optional: Flange (various standards available)
Antenna Material PPS (Polyphenylene Sulfide) resin
Process Temperature Standard: -40 to 100 °C (-40 to 212 °F)
High Temp. Option: -40 to 200 °C (-40 to 392 °F)
Process Pressure -0.1 to 0.3 MPa (-14.5 to 43.5 psi)
Ambient Temperature -40 to 80 °C (-40 to 176 °F)
Output Signal Selectable: 4-20 mA DC with HART® 7 protocol, BRAIN, or Foundation Fieldbus™
Power Supply 4-20 mA HART/BRAIN: 10.5 to 42 V DC (16.8 to 42 V DC for Ex ia)
Foundation Fieldbus: 9 to 32 V DC
Electrical Connection Standard: 1/2-inch NPT conduit entry
Optional: M20 x 1.5
Enclosure Rating IP66 / IP67 / Type 4X
Housing Material Aluminum alloy (standard) or Stainless Steel (optional)
Display Optional: Local display with 4-digit LCD and 5-segment bar graph
Configuration Local configuration via magnetic tool (included)
Safety Approvals Standard: CE, RCM
Optional: FM, FMc, ATEX, IECEx, SIL2
Weight Approx. 2.5 kg (5.5 lbs) - varies with process connection
Key Features
Non-Contact Measurement: Ideal for corrosive, adhesive, or sensitive liquids, eliminating issues with contact wear or contamination.

24 GHz FMCW Radar: Provides a focused beam for improved performance in vessels with obstacles and better resistance to foam and vapor.

Compact and Lightweight Design: Easy to install and handle, even in confined spaces.

Simple Local Configuration: Magnetic tool allows for quick setup and adjustment without opening the housing.

Robust Construction: Suitable for harsh environments with its high IP rating and corrosion-resistant materials.

Multiple Protocol Options: Supports HART, BRAIN, and Foundation Fieldbus for easy integration into existing control systems.