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How Refineries, Chemical Plants and Food Factories Use Online Process Meters
Walk into any modern refinery, chemical plant, or food factory and you will find the same instruments doing different jobs. A density meter measures crude oil quality in one building and sugar syrup concentration two hundred kilometers away. A viscometer watches polymer viscosity in one plant and...Read more -
Process Measurement Glossary: 50 Key Terms Every Industrial Engineer Should Know
Every industry has its own vocabulary, and process instrumentation has one of the densest. The same word can mean different things to a chemist, an instrument engineer, and a procurement manager — which is precisely where specification errors begin. This glossary collects the 50 terms we use most...Read more -
Buying Density and Concentration Meters from China: A Practical Buyer`s Guide for Plant Engineers and Procurement Teams
Ten years ago, the question was whether to buy process instrumentation from China at all. Today, that question is obsolete — China is the largest manufacturing base for industrial density, viscosity, and concentration meters in the world, and most global instrument brands assemble their entry-lev...Read more -
Concentration Meter Troubleshooting: A Symptom-Based Field Guide for Maintenance Engineers
A concentration meter is two instruments in one. The first is the physical property sensor — density, refractive index, conductivity, or sound velocity. The second is the conversion table that maps that physical property to a concentration value. Troubleshooting a concentration meter means troubl...Read more -
Viscosity Meter Troubleshooting: A Symptom-Based Field Guide for Maintenance Engineers
Viscosity measurement is harder than density measurement. With density, you have one number. With viscosity, you have a relationship between shear stress and shear rate — and if the process conditions change that relationship, the reading changes even when nothing is wrong with the instrument. Th...Read more -
Density Meter Troubleshooting: A Symptom-Based Field Guide for Maintenance Engineers
The density meter is reading wrong. That is all you know. It could be a sensor problem, an installation problem, a calibration problem, or a process problem — and the reading does not tell you which one it is. This guide is organized by symptom, not by component. When the meter is giving you a pr...Read more -
How to Select the Right Concentration Meter: A Practical Decision Guide for Process Engineers
Concentration is not a physical property. It is a calculated value derived from a physical measurement — density, refractive index, conductivity, or acoustic velocity — combined with a conversion factor that maps the physical property to a concentration unit. That distinction matters because the ...Read more -
How to Select the Right Viscosity Meter: A Practical Decision Guide for Process and QC Engineers
Viscosity is a deceptively complex measurement. It is not a single number that describes a fluid — it is a relationship between shear stress and shear rate that can be constant (Newtonian) or variable (non-Newtonian) depending on the fluid. And the number you measure depends heavily on how you me...Read more -
How to Select the Right Density Meter: A Decision Guide for Process Engineers
Every month we get an inquiry that goes something like this: “We need a density meter. Can you send a quote?” Our first response is always the same: “What are you measuring, what is the fluid, and what do you need the data for?” Nine times out of ten, the buyer has not thought through those three...Read more -
Acid Mine Drainage and Heap Leaching: Where Concentration Measurement Fits in Mining Hydrometallurgy
The word “concentration” means something different in hydrometallurgy than it does in food and beverage. In a gold heap leach, you are not measuring Brix. You are measuring how many grams of cyanide per tonne of ore, or how many grams of gold per cubic meter of pregnant leach solution. The concen...Read more -
Slurry Viscosity in Grinding Circuits:Why It Matters More Than You Think
Every mining engineer can tell you the target % solids for their grinding circuit. Most can tell you the target P80. Fewer can tell you the target viscosity — and most have never measured it. That is a problem, because viscosity is the variable that tells you whether your grinding circuit is actu...Read more -
Slurry Density Measurement in Mining:Three Decisions That Determine Your Circuit Performance
The hydrocyclone is one of the most misunderstood pieces of equipment in mineral processing. Operators watch the overflow and underflow. They adjust the feed pump. They watch the pressure gauge. They rarely watch the density. That is a mistake, because the single most important variable for class...Read more
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