2.5
Components of the level switch
shows the components of a Rosemount 2120.
Figure 2-1: Rosemount 2120 Features
J
A
B
C
D, E
F
G, H
I
A. Direct Load, Relay DPCO, PLC/PNP, NAMUR, or 8/16 mA electronics
B. Visible heartbeat LED
C. Mode switch, adjustable time delay
D. Housings in glass-filled nylon, aluminum, or 316 SST
E. Magnetic test point
F. Threaded, flanged, or Tri Clamp process connections
G. ‘Fast drip’ fork design
H. Wetted material in 316/316L stainless steel, Alloy C and Alloy C-276, or ECTFE-coated
316/316L stainless steel
I. Short fork length or extensions up to 157.5-in. (4 m)
J. Two cable/ conduit entries
2.5.1
Short fork technology
Using short-fork technology, the device can be used in almost all liquid applications.
Extensive research has maximized the operational effectiveness of the fork design, making
it suitable for most liquid mediums including coating liquids, aerated liquids, and slurries.
2.5.2
Fork design
The “fast drip” design allows the liquid to be quickly drawn away from the fork tip, making
the Rosemount 2120 quicker and more responsive in high density or viscous liquid
applications.
Level switch overview
Reference Manual
March 2022
00809-0100-4030
12
Reference Manual
Содержание Rosemount 2120
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