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Issue Date: 15th January 2009
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Emerson Introduces Cryogenic Seal for Rosemount®
Radar Level Sensors
• Seal enables accurate, reliable level
measurement of condensed and liquefied gasses at temperatures as low as
-196ºC
Emerson Process Management has introduced a cryogenic seal for its Rosemount®
5300 Series of high performance Guided Wave Radar (GWR) level transmitters.
The seal enables accurate, reliable level measurement of condensed and liquefied
gasses at very low temperatures (to -196° C) and is ideal for use in
process tanks, side chambers, storage tanks and transportation vessels.
The development of the seal, which is a direct result of customer demand
from within the chemical, oil and gas and petrochemical sectors, offers
benefits to all process industries where liquefaction of gasses occurs.
These gasses include natural gas, ethane, propane, butane, LPG, NGL, ethylene,
nitrogen, inert gasses (such as Argon, Neon and Xenon) and carbon dioxide.
The hermetic, gas-tight and robust construction also offers a safe and reliable
seal solution for measuring liquefied anhydrous ammonia.
The new transmitter seal provides multiple layers of protection using a
temperature and pressure barrier in a flexible assembly to handle forces
induced by probe movement and temperature variations. A second brazed hermetic,
gas-tight seal provides additional protection. The entire assembly is welded
into a stainless steel sleeve for total robustness.
The two-wire technology of the Rosemount 5300 enables fast and inexpensive
installation. FOUNDATION™ fieldbus, HART™ and PlantWeb®
functionality means the transmitter integrates easily into new or existing
control systems. This, in addition to maintenance-free operation, results
in a quicker return on investment with overall improved uptime and enhanced
safety.
Ends
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