(Kit or Assembled)

New Ergonomic Design


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Geiger Counter - Kit or Assembled & Tested

The high-quality CK106 is a compact, ergonomic, general purpose survey meter capable of detecting alpha, beta, gamma, and x-rays over 3 selectable ranges. A red count light flashes and audible beep sounds with rising radiation levels. 



  • Halogen-quenched uncompensated GM tube with thin mica window 1.5-2.0 mg/cm2 thick.
  • Detects alpha down to 2.5 MeV; typical detection efficiency at 3.6 MeV is greater than 80%.
  • Detects beta at 50keV with typical 35% detection efficiency.
  • Detects beta at 150 keV with 75% typical detection efficiency.
  • Detects gamma and x-rays down to 10 keV typical through the window, 40 keV minimum through the sidewall of the detector.  Normal background is approximately 10-20 CPM.  Gamma Sensitivity: 1000 CPM/mR/hr.

Accuracy: +/- 10% of full scale

Audio Indicator: Internally mounted beeper. (can be turned off)

Range Switch: x1, x10, x100, Battery Check.

Operating Range: 0-0.5, 0-5, 0-50 mR/hr and 0-500, 0-5,000, 0-50,000 CPM

Temperature Range: -20 C to 55 C (-4 F to 131 F)

Anti-Saturation: Meter will hold at full scale in fields as high as 100 times the maximum reading.

Power Requirements: One 9 volt battery. Battery life is up to 2,000 hours at normal background radiation levels.

Size: 210 x 70 x 48 mm (8.25 x 2.75 x 1.875 in.)

Weight: 223.9 grams (7.9 oz) without battery

Outputs:  3.5 mm headphone jack with pulse out.

Accessories: Carrying Case, Observer Software, Mini-B 5-Pin USB Option (Cable not included)

Warranty: 1 year limited warranty

Note: This is a kit, you will receive parts to build the item pictured.  If you do not know how to solder you can check out our learn to solder kit. Back in Stock!

CK0106 - Geiger Counter (Kit) - $239.95
CK0106A - Geiger Counter (Assembled and Tested) - $349.95

Quantity and Educational discounts?


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