We are a consultant for textile and plastic machinery, non-contact sensors for temperature, length, speed, diameter, distance, moisture and shock registration. We also supply the fastest autonomous scalping system.
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Over 100 years experience 
Fastest autonomous fire detection systems
Tailor-made technical advice 
The technique of measuring temperature in an MRI scanner, or a microwave, relies on light-dependent sensors. These light-dependent sensors are sensitive to temperature changes and contain no metal components. Rugged Monitoring uses a well-known, and reproducible semiconductor phenomenon, namely the absorption of light by gallium arsenide (GaAs) depending on temperature.
Rugged Monitoring website