Ultrasonic Contact Technology Provides More Reliable Level Measurement than Tuning Forks

Many instrumentation and control managers have adopted tuning fork technology for use in liquid applications. However, professionals across the natural gas, chemical, petrochemical, power, water and wastewater industries realize that the time and labor required to calibrate tuning forks to the right density has a negative impact on their facility’s performance and profitability.

The following comparison to tuning forks – which uses Magnetrol® Echotel® Models 961 (single-point) and 962 (dual point) level switches as an example – demonstrates the benefits that ultrasonic contact technology may provide.

  • Ultrasonic contact level switches can read any liquid density, even below 0.6 SG. With a tuning fork, you must configure the DIP switch to ensure density calibration – and tuning forks may not be able to measure low-density liquids at all.
  • Single and dual point options are also available with ultrasonic units. This means that only one switch and one tank opening is required to measure level – or perform auto-empty or auto-fill functions. Tuning forks would require the cost of two units and two separate tank openings to accomplish this.

Ultrasonic Contact Product Benefits

  • Ultrasonic contact technology gives you versatile access and ease of control, with remote mounting capability that can be up to 150 feet away from the transducer. In contrast, tuning forks require top-of-tank switch modification.
  • You also receive more information with ultrasonic units, which allow you to configure two separate relay outputs for diagnostics and level alarms – or for high and high-high level alarms, which make ultrasonic level switches an ideal technology for oil refinery and storage facilities working on compliance to API RP 2350 standards.
  • In addition, ultrasonic contact technology features advanced diagnostics capabilities compared to tuning forks, with thorough testing of electronics, transducer, crystals and presence of electromagnetic noise.

Magnetrol has produced a video that demonstrates the benefits of reliable ultrasonic contact technology compared to tuning forks. View the video now.


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3 Responses to Ultrasonic Contact Technology Provides More Reliable Level Measurement than Tuning Forks

  1. It’s exhausting to seek out educated folks on this subject, but you sound like you already know what you’re talking about! Thanks
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  2. Kristian says:

    I do consider all the idea you have presented for your post.
    They are really convincing and will certainly work.

    Still, the posts are very quick for beginners.
    Could you please prolong them a little from next time?
    Thank you for the post.


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