Ludlum Model 43-90

  Alpha Radiation Scintillation Detector - 100 cm²

Introduction

The Ludlum Model 43-90 is a 100 cm² Alpha Radiation Scintillation Detector that can be used with several different instruments including radiation survey meters, scalers, ratemeters, and alarm ratemeters for alpha radiation survey.

Specifications

PART NUMBER: 47-2448

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 - 125 cm²
     Open - 100 cm²
EFFICIENCY (4pi geometry): Typically 20% - ²³⁹Pu
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: 5.5"(13.9cm)H X 4"(10.2cm)W X 12.3"(33cm)L
WEIGHT: 1.5 lb (0.7kg)

This Product is CE Certified

Replacement Parts

• Mylar Window

• Photomultiplier Tube

• Scintillator

• Protective Cover

Technical Information

• Model 43-90 Data Sheet

• Model 43-90 Manual

• Model 43-90 CE Certificate

Other Ludlum Products

• Other Ludlum Products

Ludlum Information

• Ludlum Introduction

• Ludlum Resources

• Ludlum Warranty

• Ludlum Repair and Calibration

• Ludlum Training