D-tect Systems V038820 ABG Pancake 辐射探头 (NSN: 6665-01-671-4413; - 100 keV - 5 MeV)

Usage: Survey for alpha, beta, and gamma radiation contamination

Radiological:

Detector type: Geiger-Mueller Pancake Tube

Dose rate units: Count Rate - cpm, cps. Count Rate per Unit Area - cpm/cm², cps/cm²

Detection range: Beta range - 100 keV - 5 Mev

Count rate range: 0 - 1.5 Mcpm

Window: 15.5 cm² (2.4 in²) mica, protected by stainless steel screen

Min. detectable concentration:  100 Bq/cm²

Background: (0.25 µSv/hr) 60 cpm with shield, 100 cpm without shield

Efficiency (4π): C-14 15%, Tc-99 15%, Sr/ Y-90 22% Ru/Rh-106 26%

Operational:

Display: RDS Base Unit

Alarms: Saved in Base Unit memory, ability to set thresholds for Alpha channel & Beta channel

Electrical: 

Power: Supplied by RDS Base Unit

Mechanical:

Dimension: 5.4” x 2.7” x 4.7” (14 x 7 x 12 cm)

Probe Housing: Anodized aluminum

Weight: 1.04 lb. (0.47 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.