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Gas Sensors

Gamma Radiation and its Sensor

Critical safety challenge: Gamma rays can penetrate several feet of concrete, making them one of the most difficult forms of radiation to detect and shield against. 

Radiation detection white paperUnderstanding gamma radiation's unique properties is essential for effective safety management in high-risk environments. Our team has developed a comprehensive whitepaper that covers detection technologies, safety protocols and industry best practices. 

What is Gamma Radiation?

Gamma radiation consists of high-energy electromagnetic waves emitted during high-energy nuclear and subatomic processes. Gamma radiation cannot be seen, smelled, or felt. Unlike alpha or beta radiation, gamma rays: 

  • Penetrate deeply through materials 
  • Require thick lead or concrete for shielding
  • Travel at the speed of light 

 

Why Gamma Detection Matters

High-Risk Scenarios 

  • Oil & gas extraction zones
  • Large public events 
  • Nuclear facility perimeters 
  • Medical radioisotope handling 
  • First responder emergencies 
  • Industrial radiography operations
  • Transportation of radioactive materials 

Invisible Danger

Gamma radiation cannot be detected without a sensor. Gamma radiation poses significant health risks through ionization—dislodging electrons from atoms and damaging living cells. The severity depends on exposure dose and duration.

Key Safety Principle

"Fundamental to radiation protection is the avoidance or reduction of dose using the simple protective measures of time, distance and shielding." 

— Radiation Hazard, Safety, Control and Protection (2020)

 

Principles of Radiation Protection

principles-of-radiation-protection

 

EXO-gamma-sensor

Gamma Sensor 

Our advanced scintillation crystal detector is specially engineered as an integral component of our EXO area monitor, providing a complete, ready-to-deploy gamma radiation detection solution. The purpose-built design ensures optimal performance, reliability, and seamless operation right out of the box. 

Specifications: 

  • Type: Scintillation Crystal Detector 
  • Range: 0.01 to 2,000 µSV/hr µSv/h (1 to 200,000 µRem/hr) 
  • Alarm Levels: Configurable low and high thresholds  
  • Real-time Alerts: Instant notifications via Blackline Live 

Benefits of Early Detection 

Prevent Exposure: Identify radiation before harmful exposure occurs 

Rapid Response: Enable immediate safety protocol activation 

Risk Mitigation: Document compliance with regulatory requirements 

Worker Confidence: Provide peace of mind in high-risk environments 

Incident Management: Establish safety perimeters based on real data 

Common Exposure Levels

Source Effective Dose*
Dental X-ray 0.005 mSv
Chest X-ray 0.1 mSv
Annual at sea level 0.3 mSv
Annual at high elevation 0.8 mSv
Annual limit for radiation workers 50 mSv
Severe radiation poisoning threshold 2 Sv

*Note: Most countries measure exposure levels in millisieverts (mSv) or Sieverts (Sv). The United States includes measurements in millirems (mrem) or rems (rem). 1 Sv = 100 rem

In the United States, people who are likely to be exposed to radiation in the workplace are monitored carefully. Exposure is limited to an effective dose of 100 mSv over 5 years, with a maximum of 50 mSv in any single year.

— Radiation Hazard, Safety, Control and Protection (2020) 

emergency-response-gamma-sensor

Emergency Response Protocol

  1. Evacuate affected areas immediately

  2. Follow established Radiation Safety Plan

  3. Contact emergency services with radiation-specific details

  4. Treat injuries according to radiation exposure protocols

  5. Leave decontamination to specialized professionals 

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Industrial Applications

  • Emergency Services: Equips hazmat teams with crucial detection capabilities
  • Industrial: Ensures safety during radiography and material testing
  • Oil & Gas: Monitors extraction sites and processing facilities 

 

For detailed information on gamma radiation safety protocols and our detection technology, download our comprehensive whitepaper or contact our safety specialists for a personalized consultation. 

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