Sources

Radioactive Sources are essential components used in radiation detection, calibration and training applications. These controlled sources emit predictable radiation signatures that enable organisations to test, verify and calibrate radiation detection equipment used in nuclear security and monitoring operations.
Open product: RSS3 Source Set – Spectrum TechniquesRSS3 Source Set – Spectrum Techniques
The RSS-3 contains 1 each Po-210, Sr-90 and Co-60 emitting a range of alpha, beta… Read more
Open product: RSS-5 Source Set – Spectrum TechniquesRSS-5 Source Set – Spectrum Techniques
Containing 1 each Cs-137, Co-60, Sr-90, Tl-204 and Po-210, the RSS-5 provides a wide of… Read more
Open product: RSS-8 Source Set – Spectrum TechniquesRSS-8 Source Set – Spectrum Techniques
Designed for gamma spectroscopy, the RSS-8 contains eight different gamma emitting isotopes covering the entire… Read more
Open product: Laminated Sources – Spectrum TechniquesLaminated Sources – Spectrum Techniques
Laminate credit card sources are designed to offer a convenient alternative packaging – easy to… Read more
Open product: Disc Sources – Spectrum TechniquesDisc Sources – Spectrum Techniques
Disc sources are available in 1″ and 2″ diameter plastic disc with the 1″ being… Read more
Open product: Isotope Generator – Spectrum TechniquesIsotope Generator – Spectrum Techniques
This Cs-137/Ba-137m Isotope Generator is used to conduct experiment in schools and universities to demonstrate… Read more
Open product: Tube Sources – Spectrum TechniquesTube Sources – Spectrum Techniques
We now offer a selection of exempt quantity gamma sources encapsulated in standard size test… Read more
Open product: Needle Sources – Spectrum TechniquesNeedle Sources – Spectrum Techniques
Needle sources are used to generate a point source of radiation inside cloud chambers for… Read more
For government agencies, border control authorities, military organisations and nuclear safety operators, radioactive sources play a critical role in ensuring that radiation detection systems function accurately and reliably. By providing known radiation emissions, these sources allow technicians and engineers to validate the performance of detectors used for monitoring radioactive materials.
Radioactive sources are widely used in environments such as radiation detection laboratories, nuclear safeguards monitoring programmes and security equipment testing facilities. They support calibration procedures, training exercises and system verification processes required for maintaining operational readiness.
PEO Detection partners with trusted manufacturer Spectrum Techniques to provide high-quality radioactive sources designed for radiation measurement, detector calibration and nuclear instrumentation training.
What are Radioactive Sources?
Radioactive Sources are materials that emit controlled amounts of ionising radiation due to the natural decay of radioactive isotopes. These sources are carefully manufactured and sealed to ensure safe and predictable radiation emission for scientific and technical applications.
In radiation detection and nuclear security operations, radioactive sources are commonly used to test and calibrate equipment such as:
- radiation detectors
- portal monitors
- handheld radiation instruments
- gamma spectroscopy systems
- mobile radiation detection platforms
Because each radioactive isotope emits a unique radiation signature, these sources provide a reliable reference point for verifying detection system performance.
How Radioactive Source Technology Works
Radioactive sources operate through the natural decay process of unstable atomic nuclei.
Radioactive Isotopes
Each source contains a specific isotope that emits radiation in the form of alpha, beta or gamma particles.
Controlled Radiation Emission
The source emits radiation at predictable energy levels and intensities, allowing it to be used as a calibration reference.
Detector Calibration
Radiation detection instruments measure the emitted radiation and compare the readings with expected values.
Instrument Validation
Technicians can confirm whether detection systems are functioning correctly and adjust calibration settings if required.
Safety Containment
Most sources are sealed within protective capsules to ensure safe handling and prevent contamination.
Applications of Radioactive Sources
Border Security
Customs and border control authorities use radioactive sources to calibrate radiation detection systems deployed at border checkpoints.
Ports and Maritime Security
Radiation monitoring equipment used in cargo screening requires periodic calibration using reliable radiation sources.
Airports
Airport cargo inspection systems that detect radioactive materials are tested using calibration sources.
Military Checkpoints
Military CBRN units use radioactive sources to verify the performance of radiation detection instruments.
Critical Infrastructure
Nuclear facilities and research centres rely on radioactive sources to maintain accurate radiation monitoring systems.
Nuclear Safety and Radiation Monitoring
Environmental monitoring programmes use radioactive sources to validate radiation measurement instruments.
Cargo and Vehicle Inspection
Radiation detection equipment used for cargo screening requires calibration to ensure accurate threat detection.
Key Features and Capabilities
Modern radioactive sources provide reliable performance for radiation measurement and calibration applications.
- Precisely controlled radiation emission levels
- Multiple isotopes available for different calibration needs
- Sealed sources designed for safe handling
- Long-term stability and reliability
- Compatibility with radiation detection systems
- Suitable for spectroscopy and instrument calibration
- Reliable reference standards for testing equipment
- Compact and portable source configurations
- Consistent radiation signatures for accurate calibration
- Compliance with nuclear safety regulations
Benefits of Using Radioactive Sources
Accurate Detector Calibration
Radioactive sources provide reliable reference radiation signals that allow technicians to calibrate detection systems accurately.
Improved Detection Reliability
Regular calibration ensures radiation monitoring equipment performs consistently and accurately.
Enhanced Nuclear Security
Well-calibrated radiation detection systems improve the ability to detect illicit nuclear materials.
Effective Training and Education
Radioactive sources enable realistic training scenarios for radiation detection personnel.
Compliance with Regulatory Standards
Calibration procedures using certified sources help organisations meet regulatory requirements.
Choosing the Right Radioactive Sources
Selecting the appropriate radioactive sources depends on several operational requirements.
Radiation Type
Different isotopes emit different radiation types such as gamma or beta radiation.
Activity Level
The strength of the radiation emission must match the calibration requirements of the detection system.
Application Environment
Sources should be suitable for laboratory calibration, training exercises or field equipment testing.
Detector Compatibility
Sources must be compatible with the radiation detection instruments used.
Compliance with International Standards
Sources should meet nuclear safety and regulatory standards governing radioactive materials.
Our Radioactive Sources Solutions
PEO Detection provides high-quality Radioactive Sources designed for detector calibration, training and radiation measurement applications.
Our portfolio includes solutions from trusted manufacturer Spectrum Techniques, a recognised provider of radiation calibration sources used worldwide.
These sources support a wide range of applications including:
- radiation detector calibration
- spectroscopy training
- nuclear instrumentation testing
- radiation monitoring verification
Spectrum Techniques sources are widely used by laboratories, research institutions and nuclear security organisations.
Why Choose PEO Detection
Global Security Expertise
PEO Detection specialises in advanced detection technologies used by government agencies and nuclear security operators.
Partnerships with Leading Manufacturers
We collaborate with trusted technology providers to deliver reliable radiation calibration solutions.
Proven Deployment in Critical Environments
Our equipment is used in radiation monitoring laboratories, border checkpoints and nuclear safety programmes.
Support and Consultancy Services
PEO Detection provides expert support for selecting and integrating radiation calibration solutions.
Conclusion
Radioactive Sources are essential tools for maintaining the accuracy and reliability of radiation detection systems used in nuclear security, monitoring and research applications. By providing controlled radiation emissions, these sources allow organisations to calibrate equipment, train personnel and verify system performance.
Through partnerships with trusted manufacturers and extensive expertise in radiation detection technologies, PEO Detection provides reliable radioactive sources for government agencies, nuclear security operators and research institutions.
Explore the products in this category to discover calibration sources designed for modern radiation detection and nuclear monitoring operations.