• Need Technical Help?

    Get your processes up and running with our technical sampling support team.


  • Confidently Manage Water Chemistry

    Effective SWAS equipment management is critical to uptime and revenue.


  • Explore the Sentry ISOLOK Family

    Isolate your samples from human bias and your operators from corrosive elements.


  • High Quality Sample Coolers

    Achieve accurate results with samples cooled within 1 degree of target temperatures


  • How Healthy is Your Equipment?

    Extend the life of your sampling system with a SysRep™ health report


  • Meet Quality and Compliance Standards

    Make informed chemical process decisions with representative sampling


Solutions that fit your needs

Browse sampling solutions by sample type

The Beginner's Guide to Representative Sampling

Guide to Representative Sampling

Learn the many benefits of representative sampling and get answers to your representative sampling questions

Download the eBook!

Markets we serve

Standing behind our commitments, we are determined to tackle any application, anywhere.

We offer sampling and monitoring systems and products as well as aftermaket parts and service to numerous markets.

We Take Pride In Our Work

As a 100% employee-owned company, Sentry Equipment is committed to standing behind their work. Each of our employees have a stake in customer success because their success informs employee retirement, their family's futures, and the future of Sentry Equipment.


Average ESOP Retirement Account

Kelly O'Shea

Kelly O'Shea

Strategic Sourcing Specialist

"From adapting to an ESOP model to focusing on continuous improvement, Sentry Equipment supports their employees to provide the best customer experience."

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Steve Stiegerwald

Steve Stiegerwald

Senior Service Technician

"Sentry Equipment is here to make life better. We want to improve our customer's lives, employee-owners' lives, and the world for a better future."

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Fully Invested Employees

Canton Larson

Canton Larson

EHS Specialist

"Everyone feels like they are part of something bigger, and there's a strong sense of accountability and teamwork."

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Peter Tishler

Peter Tishler

Manufacturing Engineering Supervisor

"The employee-ownership culture is the center of everything we do, from our investment in the future for improved stock price, investing in improved processes, and accountability and effort in our jobs."

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