The Frisker Radiation Detector

Ergonomic Digital Survey Meter with Internal Pancake G-M Detector

General Purpose Alpha, Beta and Gamma Survey

The Frisker Radiation Detector by SE International

The Radiation Alert® Frisker is a handheld, wand-shaped radiation detector, featuring digital display and an internal pancake G-M. This detector is ideal for general purpose survey in laboratory use, nuclear power plant frisking, emergency response, border patrol, customs inspections, airport security, and other applications. The Frisker detects alpha, beta, gamma, and X-ray radiation. Efficiencies vary, depending on energy and isotope.

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Detector

Halogen-quenched pancake GM tube with thin mica end window. Mica window density 1.5-2.0 mg/cm2. Effective window diameter is 45 mm. Side wall is .012 inch thick.

Operating Range

µR/hr - 1 to 50,000
CPM - 0.0 to 175,000
nSv/hr - 1 to 500,000
CPS - 0.0 to 2500

Accuracy

Typically ±15% from factory. , ±10% (NIST).

Energy Sensitivity

1070 CPM/mR/hr referenced to Cs137
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 typical 75% detection efficiency.
Detects gamma and x-rays down to 10 keV typical through the window, 40 keV minimum through the case.

Anti-Saturation

Readout will OVERRANGE in radiation fields as high as 100 times the maximum reading.

Alert

Pulsating beeper sounds the alert. Adjustable alert levels are used for µR/hr / CPM, and nSv/hr / CPS.

Display

Backlit liquid crystal display with mode indicators.
Count Light
Red LED flashes with each count.
Audio Indicator
Sounds with each count (can be switched off for silent operation)

Power Requirements

Two (2) AA alkaline batteries. Battery life is approx. 200 hours at normal background radiation levels.

Temperature Range

-10° to +50°C (14° to 122°F)

Weight

217 g (7.7 oz.)

Size

276 x 44 x 64 mm (10.88 x 1.75 x 2.5 in.)

Includes


 

Nuclear Instrumentation

Dosimetry Shielding Sources Specials

Hepa Vacuums

Chemical Detection

Marinelli Beakers

Fume Hoods

Accessories

Emergency Response

Nuclear Medicine

Radiation Therapy Search Home

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