METER DIAL: 0-2 mR/hr, 0-6.6 kcpm, BAT TEST (others available)
MULTIPLIERS: X0.1, X1, X10, X100, X1000
LINEARITY: reading within 10% of true value
INTERNAL DETECTOR: energy compensated GM (used with X1000 scale only)
ENERGY RESPONSE: within 15% of true value between 60 keV-3 MeV (internal detector only)
AUDIO: built-in unimorph speaker with ON/OFF switch (greater than 60 dB at 61 cm [24 in.])
CALIBRATION CONTROLS: accessible from front of instrument (protective cover provided)
THRESHOLD: -40 mV + 10 mV
RESPONSE: toggle switch for FAST (4 seconds) or SLOW (22 seconds) from 10% to 90% of final reading
RESET: pushbutton to zero meter
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)
METER: 6.4 cm (2.5 in.) arc, 1 mA analog type
TEMPERATURE RANGE: -20 to 50 °C (-4 to 122 °F ) May be certified for operation from -40 to 65 °C (-40 to 150 °F).

OVERALL SIZE: 43.2 x 29.7 x 15.7 cm (17 x 11.7 x 6.2 in.) (H x W x D)

CASE WEIGHT: 3.08 kg (6.8 lb) empty, 5.9 kg (13 lb) with instruments