Radar level transmitter boasts top reliability
A
Mobrey Measurement product story
Edited by the Engineeringtalk editorial team
Oct 5, 2004
Pegasus is the name for a new range of innovative two-wire loop-powered noncontact radar level transmitters.
Pegasus is the name for a new range of innovative two-wire loop-powered noncontact radar level transmitters.
Featuring frequency modulated continuous wave (FMCW) technology the new competitively priced transmitter offers superior reliability to that of other level transmitters and is available with both rod and horn antenna to provide level measurement in a wide range of applications.
Pegasus has an operating range of 30m, and is available in intrinsically safe and explosion-proof designs.
A two-wire instrument, supplied in a rugged industrial housing, it is easy to install and maintain.
Pegasus offers highly reliable level measurement of liquids in highly aggressive, toxic or difficult processing environments.
It is ideal for storage monitoring and stock control applications as well as in-process monitoring and control duties.
The Pegasus rod antenna version is a cost-effective repeatable level measurement instrument.
For applications that involve agitated liquids or the presence of condensation or foam the horn antenna version routinely delivers stable and reliable output unlike other less sophisticated level measurement technologies.
As a result, industrial processing plants and storage facilities can have better control over the liquids stored and used, which results in a more cost-efficient and compliant site.
Hart compatible, Pegasus can be controlled from anywhere on the two-wire loop and has a range of control options that enable customers to install and use the sensor in the most appropriate way for their facility.
Data can be accessed through a PC (using the Mobrey H-Conf401 Windows-based PR program), a Palm PDA (Mobrey HPC-301) and series of wall and panel mounted control units (MCU900).
Pegasus' superior FMCW technology operates as follows.
The antenna emits a linear microwave signal that is closely controlled to ramp between 5.55 and 6.40GHz over a fixed time period, towards a liquid level surface below.
The difference in frequency between the transmit and echo signals gives a measurement of the distance to the surface of the liquid.
FMCW radar transmitters deliver more power to the target liquid level surface than pulsed transmitters, giving more reliable and repeatable operation in difficult operating conditions.
The rod antenna version comes with a standard 1.5in mounting thread but flanged mounting with seal welded construction is also available.
The horn antennas are available as standard in 150mm diameter, or with 100mm diameter for minimum protrusion into the vessel where space is constrained.
All Pegasus transmitters operate in temperatures up to 150C.
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