Ludlum Model 43-93

  Alpha Beta Radiation Scintillation Detector - 100 cm²

Introduction

The Ludlum Model 43-93 is a 100 cm² dual phosphor alpha beta radiation scintillation detector that is designed to be used for simultaneously counting alpha and beta radiation contamination.

Specifications

PART NUMBER: 47-2556

INDICATED USE: Alpha beta radiation survey
RADIATION SCINTILLATOR: ZnS(Ag) adhered to 0.010" thick

plastic scintillation material
WINDOW: 1.2 mg/cm² recommended for outdoor use
WINDOW AREA:
     Active - 100 cm²
     Open - 89 cm²
EFFICIENCY (4pi geometry): Typically 15% - ⁹⁹Tc; 20% - ²³⁹Pu; 20% - ⁹⁰S/⁹⁰Y
NON-UNIFORMITY: Less than 10%
BACKGROUND: Alpha - 3 cpm or less
                          Beta - Typically 300 cpm or less (10 µR/hr field )
CROSS TALK:
     Alpha to beta - less than 10%
     Beta to alpha - less than 1%
COMPATIBLE INSTRUMENTS: General purpose radiation survey meters, ratemeters, scalers
TUBE: 1.125"(2.9cm) 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: 5°F(-15°C) to 122°F(50°C)
May be certified to operate from -40°F(-40°C) to 150°F(65°C)
SIZE: 3.2"(8.1 cm) H X 3.5"(8.9 cm) W X 12.2"(31 cm) L
WEIGHT: 1 lb (0.5kg)

This Product is CE Certified

Replacement Parts

• Mylar Window

• Protective Screen

• Photomultiplier Tube

• Scintillator

Technical Information

• Model 43-93 Data Sheet

• Model 43-93 Manual

• Model 43-93 CE Certificate

Other Ludlum Products

• Other Ludlum Products

Ludlum Information

• Ludlum Introduction

• Ludlum Resources

• Ludlum Warranty

• Ludlum Repair and Calibration

• Ludlum Training