Geiger Counter Nuclear Radiation Detector
Geiger Counter Nuclear Radiation Detector
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Geiger Counter Nuclear Radiation Detector

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About this item

  • 【Nuclear Radiation Detector】FNIRSI GC-01 Geiger counter nuclear radiation detector with built-in GM sensor, fast response time and high accuracy, able to detect Gamma, Beta and X-rays. Cumulative dose equivalent: 0.00uSv-500.0mSv. Energy range: 48KeV-1.5MeV ≤ ± 30%(for 137Csγ)
  • 【Smart Alarm】Enter the alarm setting option to set the current dose alarm value and the accumulated dose alarm value. Whether the detector screen is in sleep state or in operation, the radiation dose detected exceeds the alarm threshold, the radiation monitor will automatically alarm. Light/Vibration/Sound 3 combined alarm modes to choose.
  • 【Multifunctional Geiger Counter】Our the Geiger counter has other various setting, such as alarm setting, system clock setting and unit setting & language change, you can operate in English (default) or Chinese. Easy one-handed operation.
  • 【Working Principle】FNIRSI GC-01 uses a Geiger-Miller counter.Counter for detecting the intensity of ionizing radiation (Beta particles, Gamma rays and x-rays).Use a gas tube or a small chamber as a probe. When the voltage applied to the probe reaches a certain range. Each time the ray is ionized in the tube to produce a pair of ions, it can be amplified to produce an electric pulse of the same size. And recorded by the connected electronic device. The number of rays per unit time thus measured.
  • 【Application Areas】Widely applied in the environment where existing ionize radiation. Such as home improvement radiation, geological survey, iron, Inspection vehicles, nuclear power plants, industry, radiology, radiology laboratories and so on.

What are the hazards of nuclear radiation?


  • Nuclear radiation has serious effects on human health, causing dementia, high blood pressure, heart disease and reduced immunity, as well as damage to the blood and nervous system.
  • The harm of nuclear radiation on the human body is mainly chronic damage to the disease, prolonged use of computers, exposure to objects with radiation, long-term exposure to high radiation environment to make the human body organs suffer serious damage
  • Radiation generally greater than 100msv is harmful to humans.
  • Radiation doses between 100-500msv for a long time will reduce the number of white blood cells in the human blood.
  • Radiation doses in the range of 1000-2000msv may cause symptoms such as fatigue, vomiting or anorexia.
  • If the radiation dose is 2000-4000msv, the number of red and white blood cells in the human blood will be significantly reduced and internal bleeding may occur.


What things produce radiation harmful to the human body?


  • Nuclear power plant, ore, lionizing radiation, computer, radiology medical equipment, industrial environment, etc.


What FNIRSI GC-01 Geiger Counter Radiation Detector could do for you?


  • Set alarm value, when the radiation dose exceeds the value you set, alarm alert. Help you stay away from the environment and things that exceed the radiation dose.



Package List


  • Nuclear Radiation Detector*1
  • Package Box*1
  • User Manual*1
  • Charge Cable*1


Product Paraments


  • Size: 120x78x27mm
  • Types of detection rays: γ rays, x rays, β rays
  • Detector: Energy Compensation GM Tube
  • Dose equivalent rate: 0.0-1000μSv/h(10mSv/h)
  • Cumulative dose equivalent: 0.00μSv-500.0mSv
  • Energy range: 48keV-1.5Mev≤±30% (for 137Csγ)
  • Sensitivity: 80CPM/μSv(For Co-60)
  • Dosage unit: μSv/h,μGy/h,mR/h,cps,cpm Switch
  • Power supply: 1200mAh lithium battery
  • Alarm method: light, vibration, sound