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Detection Range: 0.002 to 500 mSv/h (0.2 to 50,000 mR/hr) (typical)
Energy Response: Within 20% of true value from 40 keV to 2 MeV
Linearity: Reading within 10% of true value
Window: 7 mg/cm2 metalized polyester; with slide open, allows gamma detection to 6 keV
Window Area: 40 cm2 (6.2 in2); 31.5 cm2 (4.9 in2) open with optional 79% open screen
Chamber Volume: 220 cm3 (13.4 in3)
Chamber Construction: Carbon coated acrylic
Side Wall: 1000 mg/cm2 aluminum and acrylic
Meter Dial: 0 - 5 mR/hr, BAT TEST
(Meter Faces tab lists other available meter faces)
Meter: 6.4 cm (2.5 in.) arc, 1 mA, pivot-and-jewel suspension
Response Time: Approximately 5 s for 90% of final meter deflection on the x1 and x10 scales, and 2 s on the x100, x1k, and x10k scales
Audio: Built-in unimorph speaker with ON/OFF switch
Temperature Range: -20 to 50 °C (-4 to 122 °F), temperature compensation maintains calibration within 15% of 25 °C reading
Power: 2 each “AA” cell batteries housed in a sealed externally-accessible compartment
Battery Life (without display light) :
1050 hours with x100 and higher ranges at full scale
1500 hours at x1 and x10 in low background
Construction: Cast and drawn aluminum with beige powder coating
Size (H x W x L): 23.4 x 8.9 x 21.6 cm (9.2 x 3.5 x 8.5 in.), including instrument handle
Weight: 1.6 kg (3.6 lb), including batteries
