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Asphalt Nuclear Moisture Density Gauge

Asphalt Nuclear Moisture Density Gauge
feature direct readout of wet density, dry density, moisture, % moisture, % voids and % compaction on an enlarged 4 line by 20 character illuminated LCD screen. Updated NiMH rechargeable batteries are standard with on-board alkaline batteries for back-up use. Both gauges allow storage of measurement data as well as target densities, four standard counts and Stat/Drift data for later viewing, printing or downloading.

Mechanical
Gauge Size (including handles): 12" - 23.5 x 9 x 14.5 inches (59 x 22.9 x 36.8 cm) or 8" - 19.5 inches height (49.5 cm)
Shipping Case Size: 29.4 x 13.9 x 16.9 inches (75 x 35 x 43 cm)
Gauge Weight: 29 pounds (13.1 kg)
Shipping Weight: 85 pounds (38.5 kg) in shipping case
Operating Temperature Ambient: 32 to 158°F (0 to 70°C)
Surface: 350°F (175°C) for 15 minutes
Storage Temperature: -70 to 185°F (-55 to 85°C)

Radiological
Gamma Source: 0.30 GBq (8 mCi) ± 10% Cs-137
Neutron Source: 1.48 GBq (40 mCi) ± 10% Am-241:Be
Source Housing: Stainless Steel, encapsulation
Surface Dose Rate: (5 cm) 19 mrem/hour maximum, neutron and gamma
Shipping Case: DOT 7A, Type A, Yellow II label, TI=0.3