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Products  > Messmer Büchel S Tester 17-38

Messmer Büchel S Tester 17-38

The S Tester 17-38 features a unique clamping mechanism and and is powered by an intuitive user interface for the best in flat crush resistance testing.   

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Brought to you by Messmer Büchel our paper testing specialist brand, the S Tester 17-38 offers a new method of crush resistance inspection as an alternative to Concora Medium Testing. 

The CMT test is time consuming and easy to influence, so the results aren’t reliable. They can be impacted during sample handling, preparation or by the operator. Then you’ve got factors including leaning flutes or improper tape adhesion to consider. 

What’s a flat crush resistance S-Test?

The 17-38 S-Test will help you to better predict the performance of your corrugated board. It was established to measure the compressive strength of the flute or medium of a sample, as a direct replacement for the CMT test.  

You get operator-free flat crush resistance testing. Simply place your samples between the clamps and press start! 

During an S-Test a sample of non corrugated medium is placed between two clamps. An offset between the clamps of 1mm compresses the flute to form an ‘S’ shape during the test. The test result is the maximum compressive force. The S-Test can be correlated to the first plateau of the CMT. 

Correlates with CMT

The S-Test flat crush resistance test has shown a correlation coefficient of 97.6% with the first plateau of the CMT. So, it’s true! The results of the S-Test can be used to replace the CMT test. 

GraphMasterProTM (optional)

GraphMasterPro™ is a PC data collection program capable of providing curve analysis and data storage. GraphMasterPro can also be used to give you improved control over your instrument.  

Cooperative development  

The S-Test was developed by Messmer Büchel with Smurfit Kappa. The Cepi Container Board and the Technical University of Darmstadt helped to test and prove the correlation with CMT. 

The Industrial Physics testing portfolio

In today’s world of strict standards and high demands, the data needed to assess whether a product meets customer specifications is essential.  

We make a wide range of paper and cardboard testing devices and accessories. Have a look at the Messmer Büchel – Short Span Compression Test (SCT, STFI): 500N 17-36. It measures the compression strength of paper and board. 

Another great product we proudly build is the Crush Tester 17-56. The Crush Tester is suitable for lots of samples including corrugated board, tubes and plastics. 

There’s no compressing our expanding insight!

We like to share the lessons we’ve learnt over many decades of making paper testing and cardboard testing devices.  

Perhaps you’d like to read a couple of blogs we’ve published? First up, there’s this one which gives reasons for manufacturers switching to short-span compression testing. Then you could follow up with this blog: tester tech tips, corrugated series #002: replacing the concora medium test (CMT) with the NEW S-TEST. 



Applications: Compression and Crush Testing, Corrugated Testing

Materials: Corrugated Paper, Paper

Model: 17-38 Series

Measuring units: N, kN/m, lb and lb/inch

Load cell range: 100 N 250 N

Accuracy: less than 1% of reading

Span accuracy: 0.05 mm

Test speed mov. jaw: 3mm/min +/- 1mm/min

Span: 4mm, offset 1mm

Language: multiple available

Dimensions: 430 x 420 x 195 mm (LxWxH), 33 kg 17 x 16.5 x 8 inches (LxWxH), 73 lbs

Electrical: 100 V-230VAC 50/60Hz 28 Watt

Air: 600 kPa (instrument quality)

Connections: RS 232, Mini USB, footswitch connector

Optional: GraphMasterPro, cutter, footswitch

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Success Stories

The problem

Some paint manufacturers have to undertake so many different types of tests that it’s hard to stay on top of the demands of their industry and the changing technologies that can best support them.

The solution

This was the case for our valued customer. They needed the equipment, skills, experience, and collaboration of a genuine partner. One offering personalized support and guidance identifying the correct inspection solution for each situation. We are always delighted to help.

The outcome

Daniel Marschall, President of Marschall Labs, said:


“The professionals at Industrial Physics took the time to understand the specific testing equipment needs of our lab. I can’t say enough about the excellent customer service and support they provide.”

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