Training Center

Always Be Learning. Always Be Improving.

It's one of the Lesman core values. So our goal is to do more than just supply products.

To make that happen for you, we work with our manufacturer partners and factory-trained product specialists to provide training sessions and reference materials to help you choose the right instrumentation for your process, and get the most out of the instrumentation you buy from us.

From this page, you'll be able to learn about upcoming events, watch replays of our monthly webinar sessions, view short videos from our live trainings, learn more about technologies you use every day, and schedule on-site classes for your staff.

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Upcoming Events


Webinar: Managing Dust Exposure with Real-Time Monitoring

Thursday, February 19, 2026,1:00pm Central

Airborne dust particles can pose serious health risks in the workplace, especially when smaller particles penetrate deep into the lungs. Accurately understanding multi-size fraction dust exposure is essential for protecting workers and making informed exposure control decisions.

Join us on February 19 with Dylan Staack of OHD to learn how real-time dust monitoring can complement traditional sampling methods. 

This webinar will cover:

  •  Why dust size and concentration matter for worker health
  • How real-time monitoring compares to traditional gravimetric sampling methods
  • How real-time data can support smarter, faster exposure assessment decisions
  • When real-time monitoring can be used as a practical surrogate for material-specific sampling
  • Capabilities and limitations of real-time particle monitoring using the Sensidyne Dustlight
  • Q&A: Ask the expert

About the speaker: Dylan Staack is an industrial hygienist with years of experience in the industry as a consultant, instrumentation technical expert, and national sales manager. He works with universities and companies across the US to ensure their instrumentation needs are met for their exposure monitoring programs and currently serves as technical applications and partnership director for OHD.  Dylan completed his MPH in environmental and occupations health and safety at the University of Arizona. While there, he was a project manager on multiple research projects, focusing on firefighter exposure and cancer rates.

Earn CEUs for Free!  After you've attended the webinar, we'll send you a certificate that you can submit to your governing body as proof of completion of the training course.


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