 Ludlum Model
43-44
Alpha Radiation Air
Proportional Detector - 50 cm²
 Introduction
The Ludlum Model 43-44 is a 50 cm²
Alpha Radiation Air Proportional Detector for alpha radiation survey.
Specifications
PART NUMBER: 47-1169
INDICATED USE: Alpha radiation survey
WORKING ENVIRONMENT: Splash-proof shields and desiccant vented chamber for
outdoor use
WINDOW: 0.4 mg/cm² aluminized mylar
WINDOW AREA:
Active - 76 cm²
Open - 50 cm²
EFFICIENCY(4pi geometry): Typically 8%- 239Pu
COMPATIBLE INSTRUMENTS: Ludlum
Model 12,
Model 16,
Model 18,
Model 2000,
Model 2200,
Model 2221,
Model 2241-2,
Model 2350-1,
Model 177-61
OPERATING VOLTAGE: Altitude sensitive
Sea level - 2050 volts
2000 feet - 2000 volts
5000 feet - 1925 volts
7000 feet - 1875 volts
COUNTER THRESHOLD SETTING: 2 mV
CONNECTOR: Series "C"
(others available)
CONSTRUCTION: Anodized aluminum body with aluminum screen (65% open)
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: 4" (10.2 cm) H X 2.5" (6.4 cm) W X 9" (22.9 cm) L
WEIGHT: 1 lb (0.5kg)
Replacement Parts
Technical Information
Other Ludlum Products
Ludlum Information
For more information or to request a quotation,
please contact us
by phone at: (865)
947-5123 or by email at:
sales@deqtech.com.
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