Ronnie Brown

By: Ronnie Brown on July 30th, 2021

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What Is a RO-TAP RX-29 E Premium? (Definition, Function, and Cost)

Ro-Tap Sieve Shakers



For centuries, test sieve analysis has been used to check that the individual particles of a product are of a certain quality. As it has come to be regarded as highly reliable, an increased amount of manufacturers and suppliers from a wide range of industries began including the particle analysis practice into their quality control program.

With accuracy and consistency having a significant impact on any particle analysis operation, technology has started playing a more prominent role in yielding dependable test sieve analysis results. As a result, devices designed to automate the test sieve analysis process and minimize user error, such as the RO-TAP RX-29 E Premium sieve shaker, were created.

Here at W.S. Tyler, we understand how critical integrating the right equipment is when developing an operation that produces optimal particle analysis results. This is why we leverage our 140 years of experience to help customers navigate the variety of options available to them.

Having said that, this article will establish:


  • What a RO-TAP RX-29 E Premium is
  • How the RO-TAP RX-29 E Premium works
  • What test sieves can be used with the device
  • The initial setup you can expect
  • Common maintenance to look out for
  • How much the RO-TAP RX-29 E Premium costs


What Is a RO-TAP RX-29 E Premium?

The RO-TAP RX-29 E Premium is an electromagnetic sieve shaker designed to give lab technicians complete control of how material is tested. This level of control is granted through the device's control panel allows users to operate within an amplitude range of 0.1 and 3 mm.


To that end, the RO-TAP RX-29 E Premium is designed for test sieve analysis labs that rely on particle analysis results that are accurate and repeatable. In fact, the device's customizable amplitude allows particles ranging from 20 μm to 125 mm to be tested with ease.


How Does the RO-TAP RX-29 E Premium Work?

The RO-TAP RX-29 E Premium employs a unique three-dimensional elliptical motion to test sample material accurately. To do so, a heavy-duty magnet, which is attached to a spring, is electrically charged to cause the spring to rapidly compress and decompress thousands of times.

As a result, the sieve plate makes subtle vibrations, creating the one-of-a-kind 3lmotion. This 3D motion takes the particles in the sieve stack and moves them in a flat plain while the sieve plate uses the micro-vibrations of the spring to move the sieve stack up and down.

These movements work together to more or less mimic the actions of the RO-TAP RX-29 mechanical sieve shaker.

Now, when conducting a test sieve analysis with the RO-TAP RX-29 E Premium, the device is designed to pause several times throughout the sieving process. This is to help ensure the particles can settle on the mesh of the sieves and fall through the openings if they are larger than the particle.

NOTE: Because the RO-TAP RX-29 E Premium allows the user to set the amplitude and set the pause intervals, you can really dial in the optimal sieving combination after a thorough end-of-sieving analysis is conducted.


What Test Sieves Can Be Used With the RO-TAP RX-29 E Premium?

Much like the RO-TAP RX-29 Pure, the RO-TAP RX-29 E Premium is meant to be used with 8-inch sieves. That said, the EML 315 is a secondary version that carries out test sieve analysis with the same 3D motion; however, it is designed to house 12-inch sieves and is only available in premium or premium remote models.

To that end, the RO-TAP RX-29 E Premium allows for the use of 9 full-height sieves and a pan or 15 half-height sieves and a pan. The EML 315 Premium allows for the use of 7 full-height sieves and a pan or 13 half-height sieves and a pan.

NOTE: While you will need to employ a collection pan regardless of the size of your sieve stack, the cover of the device will fit over the sieve stack, eliminating the need for a separate sieve cover.


What Initial Setup Is Required?

There is little setup required to get your RO-TAP RX-29 E Premium up and running. When you first take your device out of the box, you will want to place it on a secure surface like any other sieve shaker device.

Next, you will want to take the guide rods and screw them into their designated pilot holes. It is critical that you use the included wrench to secure these guide rods, as they are responsible for supporting the sieve stack during operation.

You will then need to secure the clamps onto the guide rods, pulling the gray element to adjust their position as needed.

Once this is complete, you can then place your sieve stack, secure the device cover onto the sieve stack, and secure the clamps. After ensuring the cover is fitted snuggly over the sieve stack, you can adjust your amplitude and begin testing.

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What Maintenance Is Required?

The RO-TAP RX-29 E Premium uses minimal wear parts to conduct a reliable test sieve analysis. As a result, there isn't a lot of maintenance that is required to maintain the device.

No matter what RO-TAP E device you choose to implement, the guide rods should be kept free of dirt, dust, and other debris from previous tests. To do so, you can use a wire brush to remove these particles.

Keeping the rods clean will help ensure the clamps can adequately grip the guide rods and secure the sieve stack.

That said, if you encounter a situation in which your device is running harder than it should, you will need to send the device in for re-calibration/repairs. This also includes if your device is producing an unusual clicking noise.

These are often indicators that the accelerometer is bad and must be replaced.


How Much Does the RO-TAP RX-29 E Premium Cost?

If you are looking to invest in a RO-TAP RX-29 E Premium electromagnetic sieve shaker, you can expect to pay approximately $6,806.34. To that end, this price only reflects the device itself and does not include any additional test sieves you may need.

Any additional costs associated with designing your test sieves will increase the cost of the overall order. For more information on the elements that dedicate the cost of a test sieve, read the article" How Much Does a Test Sieve Cost? (Factors and Price Ranges + Video)".

When working with mechanical sieve shakers, we recommend using a sound enclosure kit to combat the noise created by hammer tapping motion. As RO-TAP E devices don't utilize this hammer, they are much quieter and eliminate the need for a sound enclosure kit as well as the expenses associated with it.


Implement Best Practices to Better Interpret Your Test Sieve Analysis Results

The RO-TAP RX-29 E Premium is an electromagnetic sieve shaker that delivers maximum control to how lab technicians conduct a test sieve analysis. The digital control panel grant complete control over the amplitude intensity, helping to ensure every particle has a chance to find and pass through the mesh openings of the sieve stack if small enough.

Once your device has concluded its operation, it's vital that you use best practices when analyzing the results you gather. Doing so will ensure you properly understand the size and consistency of the particles throughout the production before going into the final product.

At W.S. Tyler, we strive to use our 140 years of experience to help lab technicians and managers continue to improve the efficiency of their test sieve analysis operation, no matter what industry you work in.

To that end, read the article "How To Collect Sieve Analysis Data (Process, Analyzing, and Tips)" to better understand how you can accurately and efficiently examine your test sieve analysis results.

About Ronnie Brown

Ronnie is the Content Writer for W.S. Tyler and has four years of experience as a professional writer. He strives to expand his knowledge on all things particle analysis and woven wire mesh to leverage his exceptional writing and graphic design skills, creating a one-of-a-kind experience for customers.