GAM-330 Radiation Dosimeter Nuclear Medical Beta Gamma X Ray Detector Tester Metal Nuclear Geiger Counter with Alarm

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The Geiger Counter Dosimeter is designed to be sensitive to Beta (β) radiation, Gamma (γ) Radiation including x-rays. Robust full metal design with alarm function. 

Widely applicable in nuclear power plant monitoring, environment nuclear pollution detection, chemical industry, isotope application, industrial X and γ non-destructive flaw detection, radioactive medical treatment, Cobalt source treatment, Beta / Gamma radiation, radioactive laboratory and for individual personal protection.


  • Full Meter Dosimeter Counter
  • Max and Hold Function
  • Double Alarm (Sound and shock) with screen indicator
  • Measurement mode selection
  • Low battery indicator
  • USB power supply port can be inserted for power supply to perform long time measurement (USB cable is included in the set)
  • Run indicator, use to indicate the run state of the instrument
  • Does duration setting
  • Calibration factor setting


  • Type of measurement: Hard β-ray, γ-ray and x-ray
  • Type of detector: Metal Geiger counters made by CNNC
  • Service life of detectors: 2X1010 times
  • Measurement range: 0.00~1000uSv/h; overload range at 1800
  • Range of accumulated doses: 0~999mSv
  • Accuracy: ±15% +6/p
  • Alarm value: Capable of automatically setting alarm values
  • Alarm mode: Sound and shock
  • Measurement unit: uSv/h, mR/h,uSv
  • Accumulated dose duration: 1~9999 minutes to be set
  • Accumulated dose: Automatic accumulation and manual clearance
  • Maximum value holding: Automatically holding the maximum value of the current accumulated doses
  • Curve atlas: The curve map of the latest hour, automatic calculation of maximum values and average values, and automatic tracking of  maximum values to display curves
  • Measurement mode: Rapid and smooth mode
  • Operating environment: -30℃~60℃, 5%-95%RH (no dew)
  • Power supply: 1 x AA battery or USB cable
  • Weight: Approx. 90gms
  • Dimension: 74 x 58 x 29 mm 

Set Includes:

  • 1 x Handheld Dosimeter
  • 1 x USB Power Cord
  • 1 x AA Battery
  • Carrying Case
  • English Instruction Manual
  • Standard Factory Packaging

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