Knowledge Hub
Microwave Measurement.
Methods, fundamentals, practice. Written by engineers at Döscher. Not marketing-speak — what we actually know.
Fundamentals Microwave moisture measurement
Non-contact, density-independent water content measurement via the interaction between microwaves and water molecules.
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Method Density-independent measurement
What it means to measure moisture independently of material density — and why that matters in process control.
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Method 2-PMR method
Two-parameter microwave resonance: the method we developed with Prof. Knöchel at CAU Kiel in 2001.
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Practice Inline vs. offline
When does inline measurement pay off — and when is the lab enough?
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Safety Moisture measurement in ATEX zones
What to consider in zones 21/22 and when the EX variant is mandatory.
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Interfaces OPC UA integration
How our systems integrate into modern MES/SCADA architectures.
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Calibration PTB-traceable calibration
What traceable calibration means and why it matters for auditors.
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Application Moisture control in MDF lines
Where MoistureScan XT is installed and what typical impact looks like.
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Economics Saving energy at the dryer
How precise inline measurement cuts gas consumption by 5-15 %.
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Comparison NIR vs. microwave vs. capacitive
Comparison table: penetration depth, accuracy, drift, atmosphere.
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Safety ATEX zone 22 in pellet lines
Which components need EX protection, which don't.
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Practice Calibration on material change
Offset method instead of full calibration — how it works.
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Fundamentals Moisture measurement systems
What a moisture measurement system is and which designs exist.
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