Precision Radiation Dose Calibration and Measurement for National Standards Client: National Standardization Agency (BSN – Badan Standardisasi Nasional)
Background:
The National Standardization Agency (BSN) plays a critical role in establishing and maintaining national measurement standards, including in the field of radiation. Accurate radiation dose measurement is essential for medical (radiotherapy), industrial, and research applications. To ensure the reliability and accuracy of dosimeter calibration, BSN required a solution that could address challenges related to the stability and environmental conditions of its primary measurement tool, the Farmer-Type Ionization Chamber.
Challenges:
- Environmental Influences: Variations in temperature and humidity can affect the accuracy of ionization chamber readings.
- Electrical Characteristic Changes: The capacitance and resistance of the Farmer Chamber can change over time, impacting calibration consistency.
- Need for Periodic Calibration: Requires routine and precise calibration processes using accurate reference sources and instrumentation.
- Maintaining Traceability: Ensuring radiation measurement standards remain traceable to international standards.
Haliatech Solution
Haliatech provided a comprehensive solution combining primary radiation measurement tools with supporting instrumentation to monitor and maintain their stability.
Key Solution Features:
- Use of Farmer-Type Ionization Chamber: Serves as the primary detector for high-accuracy radiation dose measurement.
- Precision LCR Meter: Used to periodically monitor the capacitance and resistance of the ionization chamber, ensuring electrical stability and optimal performance.
- Verified Calibration Procedures: Supports calibration processes that meet national and international standards.
- Technical Consultation: Provides guidance on equipment handling and data interpretation to minimize measurement uncertainties
Products Used :
- Farmer-Type Ionization Chamber (Primary detector for radiation dose measurement)
- LCR Meter (Instrument for measuring capacitance, inductance, and resistance to monitor chamber stability)
Results Achieved :
- High and consistent accuracy in radiation dose measurement for dosimeter calibration.
- Ability to monitor and compensate for changes in the ionization chamber’s electrical characteristics.
- Reliable and repeatable calibration, supporting national standard assurance.
- Enhanced confidence in measurement results for critical applications such as radiotherapy and radiation safety.
Next Project
Control Actuator – Development of control systems for automation and calibration applications.
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