Ludlum Model 43-1

  Alpha Radiation Scintillation Detector

Introduction

The Ludlum Model 43-1 Alpha Radiation Scintillation Detector is a cylindrical large area scintillator that can be used with a several different instruments including radiation survey meters, scalers, ratemeters, and alarm ratemeters for alpha radiation survey.

Specifications

PART NUMBER: 47-1516

INDICATED USE: Alpha radiation survey
SCINTILLATOR: ZnS(Ag)
WINDOW: Typically 0.8 mg/cm² aluminized mylar (1.2 mg/cm² recommended for outdoor use)
WINDOW AREA:
     Active - 83 cm²
     Open - 75 cm²
EFFICIENCY (4pi geometry): Typically 35% - ²³⁹Pu
BACKGROUND: 3 cpm or less
NON-UNIFORMITY: Less than 10%
COMPATIBLE INSTRUMENTS: General purpose radiation survey meters, ratemeters, and scalers
TUBE: 1.5"(3.8cm) diameter magnetically shielded photomultiplier
OPERATING VOLTAGE: Typically 500 - 1200 volts
DYNODE STRING RESISTANCE: 100 megohm
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: 4.8" (12.2cm) diameter X 9.8" (24.9cm)L
WEIGHT: 2 lb (0.9 kg)

This Product is CE Certified

Replacement Parts

• Mylar Window

• Photomultiplier Tube

• Scintillator

Technical Information

• Model 43-1 Data Sheet

• Model 43-1 Manual

• Model 43-1 CE Certificate