Model 44-7 End Window G-M

The Model 44-7 is an end window G-M that can be used with several different instruments including survey meters, scalers, ratemeters, and alarm ratemeters

PART NUMBER:47-1536

INDICATED USE: Alpha beta gamma survey; Sample counting
DETECTOR: End window halogen quenched G-M
WINDOW: 1.7 ± 0.3 mg/cm² mica
WINDOW AREA:
     Active - 6 cm²
     Open - 5 cm²
EFFICIENCY(4pi geometry): Typically 2%-¹⁴C; 10%-⁹⁰Sr/⁹⁰Y; 7%-²³⁹Pu
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)

Replacement Parts

G-M Tube
Protective Cap

Response Curves



         End-On Response Curve                    Los Alamos Response Curve                    Side-On Response Curve

Ordering Info.        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 44-7 is an end window G-M that can be used with several different instruments including survey meters, scalers, ratemeters, and alarm ratemeters	PART NUMBER:47-1536
INDICATED USE: Alpha beta gamma survey; Sample counting DETECTOR: End window halogen quenched G-M WINDOW: 1.7 ± 0.3 mg/cm² mica WINDOW AREA: Active - 6 cm² Open - 5 cm² EFFICIENCY(4pi geometry): Typically 2%-¹⁴C; 10%-⁹⁰Sr/⁹⁰Y; 7%-²³⁹Pu 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)

Replacement Parts G-M Tube Protective Cap

Response Curves
End-On Response Curve Los Alamos Response Curve Side-On Response Curve

Ordering Info. 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