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Usage: Survey for beta and photon radiation
Radiological:
Detector type: Low dose and high dose Geiger-Mueller tubes
Used for: Beta, gamma, x-ray
Dose rate units of measurement: Count Rate - cpm, cps.
Dose/Exposure Rate - mRad/hr, µGy/hr, mRem/hr, µSv/hr, mR/hr
Detection:
Photon range - 60 keV - 3 MeV
Beta range - 200 keV - 3 MeV
Gamma/x-ray - 0.1 µGy/hr to 100 Gy/hr
Beta Window: 1.7± 0.3 mg/cm² mica, protected by stainless steel screen (79% open)
Typical Sensitivity: 3300 cpm per mR/hr (Cs-137)
Dead Time: 50 µs
Typical Background: 60 cpm (10 µr/hr eld)
Efficiency (4π): 15% - Pu-239, 19% - Tc-99, 22% - Sr-90 & Y-90, 5% - 14-C, 32% - P-32
Operational:
Display: RDS Base Unit
Alarms: Audible and visual via Base Unit
Electrical:
Power: Supplied by RDS Base Unit
Mechanical
Dimension: 9.26” x 1.2” x 1.6” (24 x 3 x 4 cm)
Probe Housing: Anodized aluminum
Weight: 0.77 lb. (0.35 kg)
Environment:
Operating Temp.: 22° to 122° F (-30° to 50° C )
Storage Temp.: -58° to 140° F (-50° to 60° C )
Relative Humidity; 3% to 100%
Ingress Protection: IP667
Cleaning: Decontaminate with mild detergent and water
Salt Fog: Resistant (MIL-STD 810 G, Method 509.5)
Explosive Atmosphere: Intrinsically safe
Immersion: Water & salt water 1 meter deep - 30 min.
