TSHR International B.V. AND TSH Benelux B.V.

    your partner in

    combustion elemental analysis

    Peaks 2







Technical Support Heijstraten Roest (TSHR) International is an innovative and dynamic company. The roots of the company goes back to Euroglas B.V. in Delft, The Netherlands. With half a century of experience TSHR is the designated partner to continue the parts, service and application support for the legacy Thermo Euroglas and Thermo Scientific Combustion Elemental Analysers.

TSHR stands for high customer care and offers technical and application support for all Thermo Scientific combustion analysers. TSHR is the exclusive dealer for original Thermo Scientific spare parts worldwide. Within our training facilities we provide training courses for Installation, operation and troubleshooting.

Contact Us

TSHR International is the only company in the Netherlands that deliver the original parts of the legacy Thermo Euroglas and Therrmo Scientific TN/TS/TX products and develop and manufacture the new TSHR Combustion Elemental Analyzers with the ISO9001 certification


Seta PM-93 combines

Seta products only available in the Benelux.


Seta PM-93 combines strict method conformance with the latest control technology and safety systems to provide the next generation of flash point instruments.

  • NEW design, latest enhanced operation
  • Fully conforms to test methods with 4 heating rates available
  • Simple ‘3-step to test’ operation
  • Unique patented ‘SafeFlash’ flame extinguisher system
  • Large 8.4″ Resistive touch screen menu
  • Single action lifting arm operation
  • Pre-dip safety mode
  • Programmable with 30 test profiles, methods & sample ID’s
  • Test memory = 2000 results
  • Gas or electronic ignition using Seta ‘Ignite’ technology
  • Compact footprint

Contact Us

About us


Technical Support Heijstraten Roest B.V. (TSHR) is a young, dynamic, fast-growing company that prides itself on its speed, experience and quality in technical support for (environmental) laboratories and the (petro)chemical industry. TSHR Internationaal is a company that dares to compete with large companies and which offers you the advantage of faster service and parts and consumables at substantially lower prices.

By entering into a partnership with Thermo Fisher Scientific is able to offer superior analytical instruments, laboratory equipment, software, services, consumables, reagents and glassrepairs of all kind. Find better workflow solutions spanning sample preparation, sample analysis, and data interpretation. We supply innovative instruments and software of high and constant quality and also guarantee efficient maintenance and a customer-friendly service.

Frans Heijstraten

Frans Heijstraten starts in 2007 the company TSH Benelux, after working for over 20 years in service and sales at Thermo Fisher Scientific/Euroglas all over the world. As business went well, expansion became clear in 2009 and a new business model was born.

Frans’s first responsibility is sales.

Peter van der Roest

Peter van der Roest became a partner in July 2009 as a part of the new business model.  Peter was also a former employee of Thermo Fisher Scientific; first as a service engineer and later as an account manager for the Asia region for several years. His experience in both areas is very important for the growth of  TSHR International and TSH Benelux.

Peter’s first responsibility is service.


ISO 9001 TSHR International B.V. & TSH Benelux B.V.
ISO 9001 TSHR International B.V. & TSH Benelux B.V.



TSHR International is known for its experienced and fast service and support. Good and adequate support for the supply of high quality consumables and parts ensure that the continuity of your analysis is guaranteed.

To ensure precise maintenance, both corrective and preventative, we use calibrated and special test and measuring equipment.In the event of a breakdown, your telephone report or request will be immediately handled by one of our expert support engineers. Based on a few relevant questions, we try to solve the problem with a free telephone consultation.

If a visit is necessary, then you can count on the rapid response of our service team.

Euroglas | Thermo Euroglas | Chlorine | Nitrogen | Sulfur

Our service is available 24 hours a day 7 days a week meaning a minimum downtime for you!


Training on demand

The training of staff in addition to a long life of your equipment also cause less interference and is most efficient. Therefore we give training on demand; in your own surroundings and equipment or at our lab. Please contact us for a fully customized quotation.

Demo facilities

TSHR International And TSH Benelux has it’s own demolab. Here we test (new) systems, give trainings and demonstrations. Please contact us if you want to visit our lab.

Repairs / Refurbish Euroglas, Thermo Euroglas

We have the possibility to repair or refurbish all Euroglas, Thermo Euroglas combustion systems in our own technical facility. The refurbish or repairtime will take just a couple of days.

Glass repairs Euroglas / Thermo Euroglas

We are specialized in repair all kinds of broken glass ware. Tailormade glass wishes are no problem for us, because we have the knowledge and possibilities.

We are happy to introduce you our latest products. View all new products





Kantoor TSHR International B.V. & TSH Benelux B.V.