Curious about the difference between Radar and Ultrasonic level transmitters? Lasrust Enterprises has you covered.
Radar Level Transmitters measure the length of time it takes for a microwave pulse to travel from the non-contacting transducer to the sensed material level and back. The transceiver then converts this signal into a distance or level measurement and presents it as an analogue or digital signal. You can either opt for the transducer’s output to be directly or inversely proportional to the span.
Ultrasonic level transmitters measure the time it takes for a sound burst to bounce back from the surface of the fluid, as this is directly proportional to the distance between the transducer and the surface of the liquid in the vessel. This basic principle lies at the heart of the ultrasonic measurement technology and is illustrated in the equation: Distance = (Velocity of Sound x Time)/2.
Products You May Like
SITRANS LR120 – Radar level measurement
We recently installed these transmitters in underground silos, to provide the client with accurate level information. Using our LT500 Controller and the Easy Aimer, we were able to simplify the installation and provide additional accuracy when commissioning the level transmitters.
SITRANS LR560 – Radar level measurement
We currently have a number of these transmitters setup at our client’s smelting operations. In combination with a specialised ceramic seal and unique inspection chute, we can take level measurements within the furnace where temperatures can reach over 1 700˚C.
SITRANS LU240 – Ultrasonic level measurement
SITRANS LR560 2-wire, 78 GHz FMCW radar level transmitter for continuous monitoring of solids and liquids to a range of 100 m (328 ft).
Benefits
- Rugged stainless steel design for industrial applications
- 78 GHz high frequency provides very narrow beam, virtually no mounting nozzle noise, and optimal reflection from sloped solids
- Aimer option to direct beam to area of interest, such as draw point of cone
- Lens antenna is highly resistant to product buildup
- Air purge connection is included for self-cleaning of extremely sticky solids
- Local display interface (LDI) allows local programming and diagnostics
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