Engineering knowledge hub
Engineering answers to measurement questions
Selection guides, technology updates and field applications — written by the engineers who actually install these systems.
All content
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Technical articles
Laser or confocal: how to choose a distance sensor
Your target surface makes the decision, not the accuracy figure on the datasheet. Read more -
Technical articles
Emissivity, and why your pyrometer shows the wrong temperature
An infrared thermometer measures radiation. Turning it into temperature takes one number that you have to supply. Read more -
Applications
IP69K and what pressure washdown really does to a sensor
The rating that matters in food production isn't the one most sensors carry. Read more -
Technologies
Matching measuring rate to line speed
How to work out whether 1 kHz is plenty or nowhere near enough. Read more -
Technologies
Measuring through oil, dirt and pressure with eddy current
The technology that works in exactly the places optical sensors can't reach. Read more -
Applications
Gap and flush measurement without a metrology room
Moving panel-fit inspection from off-line sampling to every single part. Read more -
Technical articles
How often does an instrument really need calibrating?
The honest answer is that it depends, and here is what it depends on. Read more -
Technical articles
Thickness measurement: one sensor or two?
Whether your material is transparent decides the whole architecture. Read more -
Product updates
Fieldbus or analogue: how to connect a sensor
4–20 mA isn't obsolete, and knowing when it's the right answer saves money. Read more
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