WirelessHART Rosemount 2160 WirelessHART, Reference Manual

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Reference Manual
00809-0100-4160, Rev AB
March 2010
1-5
Rosemount 2160
Rosemount 2160
Application Examples
For most liquids, including coating, aerated liquids and slurries, the function is
virtually unaffected by flow, turbulence, bubbles, foam, vibration, solid
particles, build-up, or properties of the liquid.
See Figure 1-5 on page 1-8 for application examples.
The 2160 switch can be used in hazardous (IS) or non-hazardous (safe)
areas but supports higher process temperatures up to 500 °F (260 °C).
The switch can be mounted in almost any position in an open or closed tank
or pipe. There is a wide range of threaded, flanged, or hygienic connections.
Application Considerations:
• Ensure the process is operating within the instrument operating
temperature and pressure ranges (see “Specifications” on page A-1)
• Ensure the liquid viscosity is within the recommended viscosity range
(see “Specifications” on page A-1)
• Check that the liquid density is higher than 31.2 lb/ft
3
(500 kg/m
3
)
(see “Specifications” on page A-1)
• Check for risk of build-up on the forks
Avoid situations where drying and coating products may create
excessive build-up (see Figure 1-2)
• Ensure there is no risk of ‘bridging’ the forks
Examples of products that can create bridging of forks are dense paper
slurries and bitumen
• Check the solids content in the liquid
As a guideline, the maximum solid particle diameter in the liquid is
0.2 in. (5 mm). Extra consideration is needed when dealing with
particles bigger than 0.2 in. (5 mm). Consult the factory for advice.
• Problems may occur if product coats and dries causing caking.
• In almost all cases, the 2160 is insensitive to foams (i.e. does not see
the foam).
However in rare occasions, some very dense foams may be seen as
liquid; a known example of this is found in ice-cream and orange juice
manufacturing.
Figure 1-2.
Avoid Product Build-up
OK