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Rosemount 2140 Level Detector

Rosemount 2140 Level Detector

Emerson’s Rosemount 2140 and 2140:SIS Level Detectors are the newest additions to the expanding range of vibrating forks. 
Utilizing the wired HART® protocol, they can be easily integrated into automated systems without the need for additional wiring. Switch easily between HART 5 and HART 7 to further meet requirements.


Rosemount 2140 Level Detector


•Integrates into existing wired HART loops of 

•automated systems without extra wiring costs

•Switch between HART 5 and HART 7

•Industry first “Media Learn” functionality

•Exclusive liquid-to-sediment detection capability

•Increased safety, IEC 61508 certified (SIL 2)

•as required by IEC 61511

•Unique remote proof testing

•Smart Diagnostics Suite


•Virtually unaffected by turbulence, foam, vibration, solids content, coating products, and liquid properties

•Adjustable detection output delay prevents false detection in turbulent or splashing applications

•"Fast Drip"fork design gives quicker response time when mounted horizontally, especially with viscous liquids

•A Media Learn function to ensure reliable detection even if the media characteristics are unknown

•Functionality is included for detecting sediment in a vessel

•Safe Failure Fraction up to 97.7% , diagnostics coverage greater than 91% ,and dangerous undetected Failure Rate = 13 (FIT) 


•Overfill prevention

•Automatic Overfill Prevention System (AOPS)

•In an AOPS system, a Rosemount 2140:SIS

high level alarm can be used as illustrated.

•High and low alarms

•Pump control or limit detection

•Run dry or pump protection

•Wet sediment build-up detection

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