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Pancake GM 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)
47-1539 Model 44-9 Pancake GM Probe $225.00
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Telescoping Pancake GM 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 23" (58.4 cm)L; 36"(91.4cm) fully extended
WEIGHT: 1.5 lb (0.7kg)
47-2940 Model 44-9-18 Telescoping GM Probe
$470.00
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High Sensitivity Gamma
Scintillation Detector
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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)
47-1532 Model 44-2 Gamma Scintillator Detector $531.00
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Low Energy Gamma
Scintillation Detector
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Indicated Use I-125 and x-ray survey
Scintillator 1" (2.5 cm) diameter x 1mm thick sodium iodide (NaI)Tl scintillator
Entry Window
15 mg/cm²
Window Area 5 cm² active and open
Recommended Energy Range ~10 - 60 keV
Background Typically 40 cpm/microR/hr
Sensitivity Typically 675 cpm/microR/hr (I-125)
Efficiency(4pi geometry): Typically 19% - I-125
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 to operate from -40° F(-40° C) to 150° F(65° C)
Size 2" (5.1 cm) diameter X 7" (17.8 cm)L
Weight 1 lb (0.5kg)
47-1533 44-3 Low Energy Gamma Scintillation
Probe $514.00
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End Window GM Detector
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Indicated Use Alpha beta gamma survey; Sample counting
Detector End window halogen quenched G-M
Window 1.7 plus or minus 0.3 mg/cm² mica
Window Area Active - 6 cm²;
Open -
5 cm²
Efficiency (4pi geometry): Typically 2%-C-14; 10%-Sr-90/Y-90; 7%-Pu-239
Sensitivity Typically 2100 cpm/mR/hr (137Cs gamma)
Energy Response Energy dependant
Dead Time Typically 200 microseconds
Compatible Instruments General purpose survey meters, ratemeters, and scalers
Operating Voltage 900 volts
Connector Series "C" (others
available )
Construction Anodized aluminum housing
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) Diameter X 5.8" (14.7 cm)L
Weight 1 lb (0.5kg)
47-1536 Model 44-7 End Window GM Detector $235.00
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Energy Compensated GM Detector
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Indicated Use: Beta gamma survey
Detector: 30 mg/cm² stainless steel wall halogen quenched G-M
Sensitivity Typically 1200 cpm/mR/hr (Cs-137 gamma )
Beta Cut-Off Approx. 200 keV (window open )
Energy Response Within ±15% of true value from 50 keV - 1.25 MeV
Dead Time Typically 95 microseconds
Compatible Instruments General purpose survey meters, ratemeters, and scalers
Operating Voltage 900 volts
Connector: Series "C" (others
available )
Construction Anodized aluminum housing with rotary beta window
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 1.3" (3.3 cm) diameter X 6.5" (16.5 cm)L
Weight 1 lb (0.5kg)
47-1588 Energy Compensated GM Probe $241.00
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High Energy Compensated GM Detector
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Indicated Use Area monitoring
Detector Halogen quenched G-M
Linear Range without DTC 25 mR/hr/
30 R/hr
Linear Range with DTC 25 mR/hr/
100 R/hr
Sensitivity
(Cs-137 gamma) : 4.2
cpm/mR/hr
Energy Response (60 keV - 3 MeV): Within plus or minus 15% of true value
Dead Time Typically 50 microseconds
Compatible Instruments General purpose survey meters, ratemeters, and scalers, area monitors
Connector Series "C" (others
available )
Construction Anodized aluminum housing
Operating Voltage 460 volts
Temperature Range -4° F(-20° C) to 122° F
(50° C).
May be certified to operate from -40° F
(-40° C) to 150° F(65° C)
Size 1" (2.5 cm) diameter X 4" (10.2 cm)L
Weight 0.2 lb (0.07kg)
47-1216 High Range Energy Compensated GM Detector $284.00
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