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Application: Alpha, Beta, and Gamma surveying
Compatible Detectors: GM, Scintillation
Detection Range: Dependent on detector
Linearity: Reading within 10% of true value with detector connected
Meter Dial: 0 - 2 mR/hr, or 0 - 500 kcpm, BAT TEST
(Meter Faces tab lists other available meter faces)
Meter: 6.4 cm (2.5 in.) arc, 1 mA analog type
Controls:
Rotary Selector Switch: Switches between: Instrument off; Battery check; Ranges: x0.1, x1, x10, x100
Response Switch: Toggles between FAST (4 s) or SLOW (22 s) from 10% to 90% of final reading
Reset Pushbutton: Zeroes meter
Audio Switch: Audio on/off, built-in unimorph speaker, greater than 60 dB at 0.6 meters (2 ft.)
Calibration Controls: Accessible from front of instrument (protective cover provided)
High Voltage: Adjustable from 400 to 1500 Vdc
Threshold: Fixed at -30 mV ± 10 mV
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: Two each "D" cell batteries housed in externally accessible sealed compartment
Battery Life: Typically greater than 2000 hours with alkaline batteries (battery condition can be checked on meter)
Construction: Cast and drawn aluminum with beige powder coat
Connector: Series "C" (others available)
Size (H x W x L): 16.5 x 8.9 x 21.6 cm (6.5 x 3.5 x 8.5 in.), including handle
Weight: 1.6 kg (3.5 lb), including batteries
