Your search for "non-contact radar" revealed the following:

Endress+Hauser Micropilot NMR84 radar level gauge
Micropilot NMR84 radar level gauge for stilling wells
ABB LM80 laser level transmitter for industrial level measurement
ABB LM80 laser level transmitter installed for non-contact silo level measurement
ABB LM80 Laser Level Transmitter
$1,500.00
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Endress+Hauser Prosonic FDU91 ultrasonic sensor for non-contact level and flow measurement
Fluke 572-2 High Temperature Infrared Thermometer for industrial temperature measurement
Endress+Hauser Prosonic FDU93 long-range ultrasonic sensor for non-contact level measurement
Endress+Hauser Prosonic FDU90 ultrasonic sensor for non-contact level and flow measurement
Rosemount 0085 Pipe Clamp Temperature Sensor for industrial temperature measurement
Rosemount 0085 RTD Temperature Sensor with platinum sensing element
Endress+Hauser Prosonic FDU92 ultrasonic sensor for long-range non-contact level measurement