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Radiation Detector Portable Hand Held

  • Radiation Detector Portable Hand Held
Your Price:
$395.00 (You save $55.00)

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Product Description

The Radiation Monitor is a compact, general purpose survey meters capable of detecting alpha, beta, gamma, and x-rays over 3 selectable ranges. A red count light flashes and a beep sounds with each event detected.

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 50 keV 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



Halogen-quenched, uncompensated Geiger-Mueller tube with thin mica end window

Window Size

1.5 to 2.0 mg/cm² thick; effective diameter is .360”

Radiation Detected Alpha, Beta, Gamma, X-ray


Detects alpha down to 2.5 MeV; efficiency at 3.6 MeV > 80%


Detects beta at 50 keV w/35% efficiency, at 150 keV w/75%


Detects gamma and X rays down to 10 keV thru window, 40 keV minimum through case; gamma sensitivity is 1,000 CPM/mR/hr


± 10% of full scale, referenced to Cs-137

Operating Ranges

0-.5, 0-5, 0-50 mR/hr. and 0-500, 0-5,000, 0-50,000 CPM

Optional Meter Range 0-.5, 0-5, 0-50 mR/hr. and 0-5, 0-50, and 0-500 µSv/hr.


At factory to NBS standard Cesium 137 gamma source


Holds full scale in fields as high as 100X maximum reading

Power Required

One 9-volt alkaline battery (included in price of the unit)

Battery Life

Up to 2,000 hours use at normal background levels

Temperature Rng

- 20° to + 55° C (- 4° to + 131° F)


215 grams (7.6 oz.) with battery


206 x 71 x 48 mm (8.1 x 2.8 x 1.9 in.)


LED indicator, internally mounted audible beeper for count rate

Warranty One year limited, includes CE mark

Country of Make



operation Manual here


For a quick video on how to read it:

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