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Babbitt International Level Switches, Level Transmitters and Controls
Babbitt

RF LEVEL SWITCHES

Level Switch

How RF Level Switches Work

These switches employ a radio frequency (RF) balanced impedence bridge circuit to detect if the probe is in contact with the material that is to be sensed.
A high-frequency/low-power radio signal is emitted by the electronics in the head of the level switch. The probe serves as an antenna to detect the frequency.
Calibration is done when material is not in contact with the probe. The bridge is balanced by turning the adjustment pot to find the bridge balance threshold.
When material comes in contact with the probe, the bridge becomes unbalanced and the comparing circuit realizes the change. This causes a relay output to change state.
This relay output may be used for high or low level alarming, or to control level by turning pumps on or off or by opening and closing valves.

The Advantages of Using RF Technology
Babbitt RF Level Switches have many advantages over other technologies used for level sensing:

  • Ideal for use in both liquids and bulk solids.
  • Rugged construction for the roughest industrial applications. These products perform in high temperature, high pressure, high vibration, dirt and sludge and many other applications requiring sturdy, high-quality design.
  • Solid-state electronic sensing has no moving parts.
  • RF technology ignores significant product build-up on the probe.
  • Simple installation and calibration.
  • The probe length is easily modified.
  • The modular electronics are easily serviced.
  • Explosion-proof housing is standard.
  • Customizable for extreme applications.

 

Typical Applications
These level switches may be widely applied for liquids, dry/solids and slurries. They may also be used in interface applications such as foam/liquid and oil/water.
Liquids Interface Dry/Bulk Solids

Water/Wastewater Fuels Petroleum Products
Acids

Caustics
Corn Syrup

Oil/Water
Crude/Brine
Foam/Liquid

Fly Ash
Cement and Sand
Plastics
Flour and Grain
Powders
Carbon Black
Wood Chips

Custom probe assemblies have been done for high temp (2000 deg F), high pressure (2500 psi), shielding for excessive EMI, rail-car loading, and many others.

Application Performance Guarantee
If within 60 days of purchase, our product does not perform according to our claims and was properly installed in an approved application that does not exceed the stated performance specifications, the unit may be returned for full credit.

LS7000 RF Level Switch ABM300 Level Transmitter
   

Product Warranty
Product components are warranted to be free from defects in material and workmanship for a period of two years from date of purchase. This warranty applies to the general purchaser and to components installed, serviced and operated according to instructions.
Babbitt International, Inc. will repair or replace, at its option, FOB at its plant or any other location designated, any part which proves to be defective in manufacture or workmanship.
All claims must be made in writing within the warranty period. No claims outside of the warranty period will be honored.
Warranties are not applied to any components which have been damaged by improper installation, use, exposure to unusual atmospheric conditions or components which have been misused, abused or damaged by neglect or accident. This warranty shall not apply to any components which have been altered or repaired without the prior written consent of Babbitt International, Inc. Babbitt International, Inc. assumes no responsibility or liability for any labor or material back charges, without written authorization. Any products returned must be with the prior written authorization by Babbitt International, Inc.

THE FOREGOING IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR PARTICULAR PURPOSE, AND BABBITT INTERNATIONAL, INC. SHALL NOT BE LIABLE FOR NORMAL WEAR AND TEAR, NOR FOR DIRECT, INCIDENTAL OR INCONSEQUENTIAL DAMAGES. IN NO EVENT SHALL BABBITT INTERNATIONAL, INC.'S LIABILITY EXCEED THE PRICE OF ITS PRODUCT AT THE TIME OF PURCHASE.

 

 

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For more information email us at: info@iprocessmart.com

 
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