Model 44-9 Pancake G-M

The Model 44-9 is a pancake G-M that can be used with several different instruments including survey meters, scalers, ratemeters, and alarm ratemeters

PART NUMBER:47-1539

INDICATED USE: Alpha beta gamma survey; Frisking
DETECTOR: Pancake type halogen quenched G-M
WINDOW: 1.7 ± 0.3 mg/cm² mica
WINDOW AREA:
     Active - 15 cm²
     Open - 12 cm²
EFFICIENCY(4pi geometry): Typically 5%-¹⁴C; 22%-⁹⁰Sr/⁹⁰Y; 19%-⁹⁹Tc; 32%-³²P; 15%-²³⁹Pu
SENSITIVITY: Typically 3300 cpm/mR/hr (¹³⁷Cs 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)

Replacement Parts

Pancake G-M Tube
Protective Screen

Ordering Info.            Model 44-9 Response Curve        Manual

Return to ludlums.com

Copyright © 2000 Ludlum Measurements, Inc.
For comments or suggestions please contact webmaster at: ludlum@ludlums.com
Page last updated: December 2000


The Model 44-9 is a pancake G-M that can be used with several different instruments including survey meters, scalers, ratemeters, and alarm ratemeters	PART NUMBER:47-1539
INDICATED USE: Alpha beta gamma survey; Frisking DETECTOR: Pancake type halogen quenched G-M WINDOW: 1.7 ± 0.3 mg/cm² mica WINDOW AREA: Active - 15 cm² Open - 12 cm² EFFICIENCY(4pi geometry): Typically 5%-¹⁴C; 22%-⁹⁰Sr/⁹⁰Y; 19%-⁹⁹Tc; 32%-³²P; 15%-²³⁹Pu SENSITIVITY: Typically 3300 cpm/mR/hr (¹³⁷Cs 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)

Replacement Parts Pancake G-M Tube Protective Screen

Ordering Info. Model 44-9 Response Curve Manual

*Return to ludlums.com* Copyright © 2000 Ludlum Measurements, Inc. For comments or suggestions please contact webmaster at: ludlum@ludlums.com Page last updated: December 2000