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Model 14CRK Response Kit |
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| DETECTORS: Model 44-9 Pancake G-M, Model 44-2 Gamma
Scintillator (others available) METER DIAL:Typically 0 - 2 mR/hr and 6.8k cpm, BAT TEST (others available ) MULTIPLIERS: X0.1, X1, X10, X100, X1000 LINEARITY: Reading within plus or minus 10% of true value with detector connected CONNECTOR: Series "C" (others available ) INTERNAL DETECTOR: Energy compensated G-M (used with X1000 scale only ) ENERGY RESPONSE: Within plus or minus 15% of true value between 60 keV - 3 MeV (internal detector only ) THRESHOLD: 30 mV plus or minus 10 mV 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:900 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: 6.5" (16.5 cm)H X 3.5" (8.9 cm)W X 8.5" (21.6 cm)L WEIGHT: 3.5 lbs (1.6 kg) including batteries |
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Model 44-9 Pancake G-M detector |
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| INDICATED USE: Alpha beta gamma survey; Frisking DETECTOR: Pancake type halogen quenched G-M WINDOW: 1.7 plus or minus 0.3 mg/cm² mica WINDOW AREA: Active - 15 cm² Open - 12 cm² EFFICIENCY(4pi geometry): Typically 5%-C-14; 22%-Sr-90/Y-90; 19%-Tc-99; 32%-P-32; 15%-Pu-239 SENSITIVITY: Typically 3300 cpm/mR/hr (Cs-137 gamma ) ENERGY RESPONSE: Energy dependent DEAD TIME: Typically 80 microseconds COMPATIBLE INSTRUMENTS: General purpose survey meters, ratemeters, and scalers OPERATING VOLTAGE: 900 volts CONNECTOR: Series "C" (others available ) CONSTRUCTION: Aluminum housing 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: 1.8" (4.6 cm)H X 2.7" (6.9 cm)W X 10.7" (27.2 cm)L WEIGHT: 1 lb (0.5kg) |
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Model 44-2 Gamma Scintillator |
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| INDICATED USE: High energy gamma detection SCINTILLATOR: 1" (2.5 cm) diameter X 1" (2.5 cm) thick sodium iodide (NaI)Tl scintillator SENSITIVITY: Typically 175 cpm/microR/hr (Cs-137) COMPATIBLE INSTRUMENTS: General purpose survey meters, ratemeters, and scalers TUBE: 1.5:(3.8cm) diameter magnetically shielded photomultiplier OPERATING VOLTAGE: Typically 500 - 1200 volts DYNODE STRING RESISTANCE: 100 megohm CONNECTOR: Series "C" (others available ) CONSTRUCTION: Aluminum housing 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: 2" (5.1 cm) diameter X 7.3" (18.5 cm)L WEIGHT: 1 lb (0.5kg) |
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METER DIAL 202-608 |
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Direct Scientific tel (310) 589 0601 fax (310) 919-2981, Email |
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Open 8:00 AM - 5:00 PM Pacific Standard Time |