The Monitor

Production Process Insights

John Powalisz

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John Powalisz, Director of Business Development, is dedicated to sharing his technical expertise and knowledge of sampling equipment and systems in power plants, refineries, chemical and food processing facilities garnered from more than 19 years with the company. John has worked with clients worldwide to help them to comply with regulations and optimize processes by applying proper sampling hardware and techniques. While he is well-versed in all Sentry products and applications, he is particularly focused on the food and beverage and power generation markets as well as emerging market development.
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Recent Posts

Match the Right Heat Exchanger to Your Application

Posted by John Powalisz on 7/20/20 8:00 AM

Many industrial processes require the addition or removal of heat and heat exchangers are often used to do this. There are many heat exchange applications within processing plants such a process heating and cooling, vapor condensing to sample conditioning. Ensure you are meeting your application needs by selecting the right specialty heat exchanger. 

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Topics: Any Application, Steam & Water

How to Succeed with Sample Conditioning

Posted by John Powalisz on 5/26/20 10:00 AM

Cycle chemistry is an often overlooked, but critical, process in a power plant that helps provide and maintain the protective layer on equipment and surfaces. Monitoring your cycle chemistry starts with sample conditioning. 

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Topics: Power, Steam & Water

What Are FFS and Are They Right for Your Plant?

Posted by John Powalisz on 3/16/20 8:00 AM

Organic cycle chemistry based on film-forming substances (FFS) is being considered more frequently as an alternative to conventional corrosion-treatment programs. Here’s what you need to know about using FFS to inhibit corrosion throughout the water and steam circuits of fossil and combined cycle/heat recovery steam generator plants.  It should be noted that a well controlled, traditional chemistry program is a heavily favored, first choice for most plants.

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Topics: Power, Steam & Water

Ensure High-Quality Edible Oils with Automatic Sampling

Posted by John Powalisz on 3/9/20 8:00 AM

Extracting and refining seeds, legumes and sometimes the “fruit” into oils, such as olive, avocado and vegetable oils, can be complicated. Processed oils need to be consistent in color and taste, and free of impurities that could negatively affect its quality. Automatic sampling can help optimize sampling accuracy and repeatability in every step of the extraction process, while ensuring a safe and delicious final product.

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Topics: Food & Beverage, Liquid & Slurry

How to Choose the Right SWAS Configuration for Your Plant

Posted by John Powalisz on 2/24/20 8:00 AM

The technical design specification is the first step in designing a steam and water analysis system (SWAS) that operates accurately, reliably and safely for your plant’s conditions. Understanding the different possible configurations when designing your SWAS can help you choose one that will maximize efficiency and output while protecting plant assets, operators and the environment.

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Topics: Power, Downstream, Steam & Water

Maintain Accurate Steam and Water Sampling in Your Hydrocarbon Plant

Posted by John Powalisz on 1/6/20 8:07 AM

The full version of this information can be found in the January 2020 of Hydrocarbon Engineering.

A well-designed steam and water sampling system can give you the critical insights you need to monitor steam and condensate quality, cycle chemistry (power production) and identify potential problems in your Hydrocarbon plant.

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Topics: Power, Downstream, Steam & Water

The Smart Approach to Cycle Chemistry

Posted by John Powalisz on 9/23/19 8:03 AM

Cycle chemistry management is the best way to help prevent, recognize and minimize potentially devastating water chemistry events. Smart alarms assist in this by monitoring cycle chemistry, identifying chemistry events in real time and allowing chemists to take proper actions to correct conditions - preventing system damage and protecting assets.

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Topics: Power, Liquid & Slurry, Steam & Water

Harness the Power of the IIoT in Your Plant

Posted by John Powalisz on 9/16/19 8:00 AM

It’s not a matter of if, but when your plant will incorporate the Industrial Internet of Things (IIoT) into its everyday operations. The IIoT is making manufacturing smarter and faster than ever before by attaching networked sensors and intelligent devices to equipment to gather data, store it wirelessly, and then use analytics and machine learning to take actions that will optimize operations.

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Topics: Power, Liquid & Slurry, Steam & Water

Don’t Get Caught on the Dark Side of the Grey Market

Posted by John Powalisz on 4/22/19 8:00 AM

All food and beverages undergo some form of processing, and those processes need to follow a variety of local, national and international food safety regulations. Buying certified samplers from authorized sellers is critical to ensuring your plant has the right sampling equipment to meet these standards and keep our food supply safe.

Yet many plants purchase sampling equipment outside manufacturers’ authorized distribution channels – also known as the grey market. According to the Harvard Business Review, an estimated $7 billion to $10 billion worth of products are sold every year in the United States outside these authorized channels. Most consumers and businesses buy items on the grey market because prices are generally lower.

But investing in these unauthorized products doesn’t give you the same peace of mind as those with genuine ones, and it could bring you back to square one both financially and in terms of inspection violations.

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Topics: Food & Beverage, Solids & Powder, Liquid & Slurry

Will You Get the Alarm When it Matters Most?

Posted by John Powalisz on 4/8/19 8:00 AM


When chemistry alarms go off in your steam power plant, how do you know if it’s just a nuisance alarm or a real chemical event?

The fact is, most of the time, you don’t. For many plant operators, too many alarms can be worse than none at all. And that confusion can cost you time and money during a real event.

Troubleshooting alarms with manual processes can take hours or even days to find the issue – costing up to $100,000 for every hour your operation is down, or millions if permanent damage occurs. Alarm-related problems cost U.S. industry more than $20 billion a year, driving many plants to reduce alarms and meet the International Society of Automation (ISA) standard of 1 alarm every 10 minutes.

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Topics: Power, Liquid & Slurry, Steam & Water