• Built In 1" X 1" NaI(Tl) Gamma Scintillator
  • Alarm
  • 4 Ranges
  • Total Counting Range from 0 - 3000 ĩR/hr


INDICATED USE: Low level (microR) gamma survey
ALARM: Indicated by a red lamp and audible tone ( can be set at any point)
DETECTOR: 1" X 1" sodium iodide (NaI)Tl scintillator
SENSITIVITY: Typically 175 cpm/microR/hr (137Cs gamma )
ENERGY RESPONSE: Energy dependant
METER DIAL: 0 - 3 microR/hr, BAT TEST (others available )
MULTIPLIERS: X1, X10, X100, X1000
LINEARITY: Reading within plus or minus 10% of true value
AUDIO: Built in unimorph speaker with ON/OFF switch (greater than 60 dB at 2 feet )
CALIBRATION CONTROLS: Accessible from front of instrument (protective cover provided )
RESPONSE: Toggle switch for FAST (4 seconds) or SLOW (22 seconds) from 10% to 90% of final reading
RESET: Push-button to zero meter
POWER: 2 each "D" cell batteries (housed in sealed compartment that is externally accessible )
BATTERY LIFE: Typically 600 hours with alkaline batteries (battery condition can be checked on meter )
METER: 2.5" (6.4cm) arc, 1 mA analog type
CONSTRUCTION: Cast and drawn aluminum with beige polyurethane enamel paint
TEMPERATURE RANGE: -4° F(-20° C) to 122° F(50° C)
May be certified for operation from -40° F(-40° C) to 150° F(65° C)
SIZE: 7.8"(19.8 cm)H X 3.5"(8.9 cm)W X 8.5"(21.6 cm)L
WEIGHT: 4.5 lbs(2.1 kg) including batteries

Common Meter Dial


0 - 3

0 - 0.03




Replacement Parts

Check Source
Standard Carrying Case
Air and Water Tight Carrying Case

Meter Bezel
Meter Movement
Detector Assembly




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