Ludlum Model 44-7

  Alpha Beta Gamma Radiation End Window G-M Detector

Introduction

The Ludlum Model 44-7 is an alpha beta gamma radiation end window G-M detector that can be used with several different instruments including radiation survey meters, scalers, ratemeters, and alarm ratemeters.

Specifications

PART NUMBER: 47-1536

INDICATED USE: Alpha beta gamma radiation survey; Sample counting
RADIATION 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 radiation 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)

This Product is CE Certified

Replacement Parts

• G-M Tube

• Protective Cap

Technical Information

• Model 44-7 Data Sheet

• Model 44-7 Manual

• Model 44-7 End-On Energy Response Curve

• Model 44-7 Side-On Energy Response Curve

• Model 44-7 Los Alamos Energy Response Curve

• Model 3 with Model 44-7 CE Report

• Model 44-7 CE Certificate

Other Ludlum Products

• Other Ludlum Products

Ludlum Information

• Ludlum Introduction

• Ludlum Resources

• Ludlum Warranty

• Ludlum Repair and Calibration

• Ludlum Training