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[An automatic dew-point hygrometer making use of beta-ray backscattering (author's transl)]
Radioisotopes
|April 1, 1981
Summary
This study details a proportional control system for a hygrometer, achieving accurate humidity measurements across a wide temperature range. The system ensures precise dew-point readings for various atmospheric conditions.
Area of Science:
- Instrumentation and Measurement
- Environmental Science
- Control Systems Engineering
Context:
- Accurate measurement of atmospheric humidity is crucial for various scientific and industrial applications.
- Existing hygrometers may face limitations in accuracy or operational range.
- Controlled environmental chambers are essential for calibrating and testing measurement devices.
Purpose:
- To develop and evaluate a hygrometer utilizing a proportional control system.
- To establish the measurement capabilities of the hygrometer within specific environmental parameters.
- To assess the accuracy and reliability of the implemented control system.
Summary:
- A hygrometer incorporating a proportional control system was utilized within a temperature- and humidity-regulated chamber.
- The system demonstrated a dew-point measurement range from -26°C to 60°C.
- Measurements were conducted under atmospheric conditions ranging from 0°C to 60°C, covering relative humidity from 12% to 100% with an accuracy of +/- 1°C.
Impact:
- Provides a reliable method for precise dew-point determination in controlled environments.
- Contributes to advancements in humidity sensing technology.
- Offers a validated instrument for applications requiring accurate humidity monitoring.