The Monitor

Production Process Insights

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Sentry Equipment

With proven sampling expertise since 1924, Sentry products and services provide business operations the critical insights to optimize process control and product quality. We deliver true representative sampling and analysis techniques to customers around the globe, empowering them to accurately monitor and measure processes for improved production efficiency, output and safety. Standing behind our commitments, we are determined to tackle any application, anywhere.

Recent Posts

Helping Students Navigate to a Career in Manufacturing

Posted by Sentry Equipment on 10/16/19 8:00 AM

When Andy Kostecki was in high school, he had a hard time succeeding within the traditional education model. “I just can't learn from looking at a chalkboard. I'm a hands-on learner,” says Kostecki. “Learning in the traditional way isn't for me.”

He was introduced to the GPS Education Partners program, which provides students with first-hand experience in technical careers to help prepare them for life as working adults. Little did he know that the GPS program was leading him to meaningful manufacturing career at Sentry Equipment.

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Topics: Company News, Any Application

Employee-Owner Profiles - Dave Hensler

Posted by Sentry Equipment on 10/14/19 8:01 AM

Many people describe Sentry Equipment as a workplace that feels like family, but for Dave Hensler, it’s more than just a feeling. Two years ago, Dave recruited his son Mitch to join the shop as a Workshop Technician.

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Topics: Company News

Employee-Owner Profiles - Sarah Crossman

Posted by Sentry Equipment on 10/9/19 8:00 AM

Collaboration and communication is key to any good team. For Sarah Crossman, it’s the level of teamwork that Sentry Equipment’s employee ownership provides that keeps her excited to come to work every day.

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Topics: Company News

Employee-Owner Profiles - Tom Degrandt

Posted by Sentry Equipment on 10/7/19 8:01 AM

Tom Degrandt started working at Sentry Equipment before some of our newer employees were even born.

He joined the company as a finisher in July 1995 when he was just 20 years old because he wanted to learn how to weld and he wanted health insurance – two things his previous job couldn’t provide. He was offered a job at the end of his two-hour interview and never looked back. “Time flies when you're having fun,” he says.

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Topics: Company News

Our Commitment to Manufacturing Excellence Begins With Employee Ownership

Posted by Sentry Equipment on 10/1/19 11:02 AM

October is Employee Ownership Month and Manufacturing Month!

As a proud employee-owned manufacturing company, we’re celebrating this important month by featuring a series of stories highlighting our talented employee-owners and the unique company programs supporting our manufacturing capabilities. This combo of talent and investment in continuous improvement programs are key to our high-quality solutions, products and services that our customers have come to know well.

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Topics: Company News, Any Application

Employee-Owner Profiles - Chris Yerke

Posted by Sentry Equipment on 8/19/19 8:00 AM

Everything Chris Yerke learned about small business, he learned from his dad.

His family owned a small greenhouse and garden center in Mukwonago, WI, about 30 minutes south of Sentry’s Oconomowoc headquarters, where he got his first paycheck at the young age of 10. He learned the benefits and challenges of running a family business from his parents. In 1954 his grandfather started the greenhouse which his parents expanded when they took it over to include a year-round garden center.

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Topics: Company News

Solid Advice: What You Need to Know About Sampling Cement

Posted by Sentry Equipment on 8/6/19 2:23 PM

Portland cement is a type of cement used in virtually all concrete. It’s manufactured by heating lime, silica, alumina, iron and other materials at high temperatures. The resulting substance is a marble-like ball called “clinker” that is ground, mixed with limestone and gypsum, and used to create concrete. Concrete is a combination of sand and gravel or crushed stone that’s mixed with water and cement; all of which have a major impact on wear and tear of your equipment.

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Topics: Cement, Solids & Powder

Employee-Owner Profiles - Lipi Hurtado

Posted by Sentry Equipment on 7/5/19 8:00 AM

Lipi Hurtado likes a challenge. After steadily climbing the ranks to head of operations over nearly eight years at an oil and gas commodity company, she felt stalled because the company didn’t offer further opportunities for growth or promotion.

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Topics: Company News

Asking Why: Understanding the Heart and Soul of Our Company

Posted by Sentry Equipment on 2/14/19 8:32 AM


If we’ve learned anything from almost 100 years in business, it’s that our most important values don’t come from what we do or how we do it. Our most important values come from a much deeper place within our organization and our people.

When explaining what Sentry Equipment does, it's tempting to just say "Sentry Equipment makes sampling equipment". But that’s not the fundamental reason we exist. Understanding the “why” behind what we do is critical to serving customers better, maintaining a strong ownership culture, and setting ourselves up for sustainable growth and success. 

Why do we exist?

Why do we do what we do?

Why do we get out of bed in the morning?

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Topics: Company News, Any Application

Five Things to Know When Sampling in a Hydrocarbon Processing Plant

Posted by Sentry Equipment on 8/1/18 8:35 AM

Sampling within the hydrocarbon process is essential for gaining visibility into product quality, identifying corrosion and ensuring processes are operating as expected. It occurs at multiple points across virtually every stage of hydrocarbon processing. However, are you giving sampling the attention it needs?

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Topics: Hydrocarbon Processing, Upstream & Midstream