 Ludlum Model
44-25
Alpha Beta Gamma
Pancake
G-M Hand Monitor Detector
 Introduction
The Ludlum Model 44-25 is an alpha beta gamma
radiation pancake G-M hand monitor detector for radiation contamination survey.
Specifications
PART NUMBER: 47-1508
INDICATED USE: Alpha
beta gamma radiation survey; Frisking
RADIATION 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 radiation 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)
 This Product is CE Certified
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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