Radiation Alert Frisker
Applications & Uses:
Screening personnel and objects, such as packages, surfaces, and clothing, Surveying for NORM (Naturally Occurring Radioactive Material) contamination, Gross wipe counting, Contamination surveys of packages, equipment, people, etc., Regulatory inspections, Low energy radionuclide detection.
Halogen-quenched GM tube with thin mica end window. Mica window density 1.5-2.0 mg/cm2. Effective diameter of window is 45 mm (1.77 in.). Side wall is .012 inch thick.
Up to 50 mR/h. Instrument begins readings in µR/h and changes to mR/h at 1000 µR/h
Up to 500 µSv/h. Instrument begins reading in nSv/h and changes to µSv/h at 1000 nSv/h
Detects Alpha down to 2 MeV. Detects Beta down to .16 MeV; typical detection efficiency at 1 MeV is approx. 25%. Detects Gamma down to 10 KeV through the detector window. 3600 CPM/mR/hr (137Cs). Smallest detectable level for 125I is .02 µCi at contact.
Reference to Cs137
Typically ±15% from factory, ±10% with NIST Source Calibration NIST Calibration
Readout will OVERRANGE in radiation fields as high as 100 times the maximum reading.
Backlit liquid crystal display with mode indicators.
Pulsating beeper sounds the alert. Adjustable alert levels are used for
µR/hr / CPM, and nSv/hr / CPS.
Red LED flashes with each count.
Sounds with each count (can be switched off for silent operation)
Two (2) AA alkaline batteries (included). Battery life is approx. 800 hours at normal background radiation levels.
-10° to +50°C (14° to 122°F)
10% to 70% Non-Condensing.
217 g (7.7 oz.)
276 x 44 x 64 mm (10.88 x 1.75 x 2.5 in.)
1 year limited warranty