Humidity Fundamentals, Part 1: Key Concepts
What relative humidity, dew point, absolute humidity and mixing ratio are, how temperature and pressure distort the reading, and why dew point is…
Humidity Fundamentals, Part 2: Practical Measurement
How humidity behaves in real conditions, the three most common measurement problems, and two practical scenarios —heated air and compressed air—…
How to Choose the Right Humidity Instrument
When to measure relative humidity vs. dew point, what high and low humidity demand, how temperature and pressure factor in, and when a warmed probe…
Guide: How to Cut Data Center Cooling Energy Consumption
Cooling accounts for up to 40% of a data center's energy demand. This Vaisala guide explains how measurement accuracy cuts costs and risks, with a…
Total Gas Pressure: Air Leak Detection in Power Transformers
Why measuring oxygen concentration alone is not enough to detect air ingress in sealed transformers, and how total gas pressure turns leak detection…
Infrared DGA and Aging Oils: Possible Without Recalibration?
Why oil aging produces hydrocarbons that interfere with infrared fault gas measurement, and how autocalibration analyzes the oil composition and…
Wet-Bulb Temperature: From the Psychrometer to the Modern Sensor
What wet-bulb temperature is, how the traditional psychrometer measured it, and why it's now derived from relative humidity and temperature, with…
The Future of Food and the Role of Measurement Technology
The trends transforming food production — controlled-environment agriculture, alternative proteins, microbial fermentation, cellular agriculture —…
A question about your measurement
A specialist replies with the solution, the instrument and the service that fit.