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Rosemount 3100 Series - Ultrasonic 3101/3102/3105 Level Transmitters

作者：admin 发布日期：2011-4-21 17:29:22点击：2287

Rosemount 3100 Series - Ultrasonic 3101/3102/3105 Level Transmitters 

The Rosemount 3100 Series Ultrasonic Level Transmitter is the reliable and cost-effective, non-contacting measurement solution from Emerson. Time proven ultrasonic technology with advanced software and state-of-the-art electronics delivers high reliability in a wide variety of applications.

The 3101 is the entry level model for simple level measurement. Choose the 3102 for local control functionality with 2 integral signal relays. For hazardous area applications, the 3105 is certified intrinsically safe.

Continuous non-contacting measurement with no moving parts

Standard Integral LCD and push buttons for simple setup and on-site programming

2Integral signal relays for local control for (3102 only) 

Aluminum housing and corrosion resistant PVDF wetted material

Volume or open channel flow calculations with pre-programmed library

Easy plant integration with 4-20mA ⁄ HART® output and PlantWeb support

Automatic temperature compensation with integral or optional remote temperature sensor

2-wire dc loop-powered

Wide operating range to 36 ft. (11 m)

      The 3100 Series transmitter is part of Emerson’s broad range of intelligent, digital field devices that power the PlantWeb® digital plant architecture to improve plant efficiency by 2% and more through delivering asset optimization, process automation, and management execution.

Features & Benefits

The Rosemount Series 3100 Ultrasonic Level Transmitter is a cost-effective measurement solution for a wide range of applications. It has no moving parts, corrosion resistant PVDF wetted material and a non-contacting measuring method. So, it requires almost no maintenance. It is unaffected by liquid dielectric constant, viscosity and density changes. Additionally the 3100 Series offers the following benefits: 

  • Low cost of installation
  • Low cost of commissioning
  • Minimal maintenance costs
  • Process downtime minimized


  • The transmitters are available with threaded or flanged connections, making them easy to install. Several pre-programmed laws and strapping tables make configuration easy. Configuration can be performed by using the local operator interface or HART® configuration tools such as the 375 Field Communicator or AMS™Suite: Intelligent Device Manager.
  • The transmitters can be used with the Rosemount 3490 Series of wall and panel mounted control units, providing power and comprehensive control options. The transmitter is available with two integral relays, adding to the local control functionality.
  • The non-contact sensor is made from an inert material offering superior corrosion resistance and low maintenance requirements.
  • The integral or remote mounted temperature sensor enables automatic corrections where temperature changes in the tank free space could otherwise result in an inaccurate reading.
  • The local programming menu is easy to use. The 3100 may be installed using the 2 in. thread or available flange options either directly to the vessel or on a suitable bracket above the liquid surface. Three internal buttons are used to program the transmitter with the tank depth and the range for the 4-20mA output.


A built-in LCD display under the cover is provided to aid setting up.The user navigates through an intuitive menu, entering data as prompted by the transmitter. Intelligent software ensures only data specific to the chosen application is requested, minimizing programming time.

Specifications

Key Specifications
Measurement Principle Ultrasonic, time-of-flight
Measuring Range 26 ft (8 m) for Rosemount 3101
36 ft (11 m) for Rosemount 3102 and 3105
Instrument Accuracy Model 3101: ± 0.2 in. (5 mm) for <3.3 ft (1 m), 
± 0.5% of measured distance for >3.3 ft (1 m) 
Models 3102 and 3105: ± 0.1 in. (2.5 mm) <3.3 ft (1 m),
±0.25% of measured distance for >3.3 ft (1 m)
Level ResolutionBetter than 1/16 in. (1 mm)
Blanking Distance 12 in. (0.3 m)
Output 4-20mA for 3101 
4-20mA with superimposed digital HART® communication for 3102 and 3105
Temperature/Pressure Rating Refer to the Product Data Sheet (PDF @ 400KB)
Hazardous Location Approvals (for 3105 only) Intrinsic Safety (ATEX, CSA, IECEx, FM)
Display Standard 4 ⁄ 5 digit display for configuration purposes.
Output Variables Level, Distance for 3101 
Level, Distance, Volume, Open Channel Flow for 3102 and 3105
Enclosure Polyurethane-covered die-cast Aluminum housing.
Ingress Protection NEMA 4X, IP66
Configuration Tools AMS, 375 Field Communicator, Rosemount 3490 Series Universal Controller or any other DD- or EDDL-compatible host.

Applications

Storage Tanks: Vertical TankBuffer Tanks: Horizontal Tanks
Open Air ApplicationsOpen Channel flow

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