LUDLUM 19 MicroR Survey Meter (0 to 5000 μR/hr)
Application: Low-level (microR) gamma survey
Detector (D x L): NaI(Tl) scintillator, 2.5 x 2.5 cm (1 x 1 in.)
Detection Range: 0 to 5000 μR/hr
Sensitivity (137Cs gamma): Approximately 175 cpm per μR/hr
Energy Response: Energy dependent (see Energy Response Curve)
Linearity: Reading ± 10% of true value
Meter Dial: 0 - 25 µR/hr, 0 - 50 µR/hr, BAT TEST, High Voltage Test
Meter: 6.4 cm (2.5 in.) arc, 1 mA analog type
Working Environment: Splashproof shields for outdoor use
Temperature Range: -20 to 50 °C (-4 to 122 °F)
May be certified for operation from -40 to 65 °C (-40 to 150 °F)
Power: 2 each “D” cell batteries (housed in sealed compartment that is externally accessible)
Battery Life: Typically 2000 hours with alkaline batteries (battery condition can be checked on meter)
Construction: Cast and drawn aluminum with beige powder coat finish
Size (H x W x L): 15.2 x 8.9 x 21.6 cm (6.0 x 3.5 x 8.5 in.) without handle
Weight: 2.04 kg (4.5 lb), including batteries
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