Internal Pancake G-M with Beta Shield External Low energy Gamma Scintillator 4 Ranges Total Counting Range from 0 - 200 mR/hr, and 0 - 660,000 cpm	PART NUMBER:48-1135
INDICATED USE: Alpha, beta, low energy gamma survey DETECTORS: Controlled by selector switch INTERNAL: Pancake style G-M detector with 1.7 plus or minus 0.3 mg/cm² window AREA: Active - 15 cm²              Open - 12 cm² EFFICIENCY(4pi geometry): 5% - 14C; 23% - 90Sr/90Y; 19% -99 Tc; 33% - 32P; 15% - 239Pu SENSITIVITY: Typically 3300 cpm/mR/hr (137Cs gamma ) ALPHA BETA SHIELD: Retractable 211 mg/cm² phenolic slide EXTERNAL: Model 44-3 low energy gamma scintillator EFFICIENCY(4pi geometry): Typically 19% or 675 cpm/microR/hr (I-125) ENERGY RANGE: Recommended 5 keV - 60 keV CONNECTOR: Series "C" (others available) METER DIAL: 0 - 5k cpm, BAT TEST (others available ) MULTIPLIERS: X0.1, X1, X10, X100 LINEARITY: Reading within plus or minus 10% of true value with detector connected 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 ) HIGH VOLTAGE: Adjustable from 200 - 1500 volts THRESHOLD: 30 mV plus or minus 10 mV 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" (6.4 cm) 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: 9"(22.9cm)H X 3.5"(8.9cm)W X 8.5"(21.6cm)L WEIGHT: 5.6 lbs (2.5 kg) including batteries and detector
Common Meter Dials
202-002 0 - 5k cpm For Any Detector  202-608 0-6.6k cpm; 0-2 mR/hr For Model 44-9; 44-9-18; 44-40; 44-88; 44-89; 44-94  202-664 0-6.6k cpm; 0-20 mSv/h For Model 44-9; 44-9-18; 44-40; 44-88; 44-89; 44-94
Accessories Replacement Parts Check Source Scaler Option Shoulder Strap Headset Standard Carrying Case Air and Water Tight Carrying Case Cables Meter Bezel Meter Movement Handle Probe Clip
Ordering Info.; Manual
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