Model 43-1-1 Alpha/Beta Scintillator

The Model 43-1-1 is a large area dual phosphor alpha/beta scintillator that is designed to be used for simultaneously counting alpha and beta contamination

PART NUMBER:47-2336

INDICATED USE: Alpha-beta survey
SCINTILLATOR: ZnS(Ag) adhered to 0.010" thick plastic scintillation material
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 30% - ²³⁹Pu; 30% - ⁹⁰Sr/⁹⁰Y; 5% - ¹⁴C
BACKGROUND:
     Alpha - Less than 3 cpm
     Beta - Typically 300 cpm or less (10 microR/hr field)
NON-UNIFORMITY: Less than 10%
CROSS TALK:
     Alpha to Beta - Less than 10%
     Beta to Alpha - Less than 1%
COMPATIBLE INSTRUMENTS: Model 2224, 2225, 2929
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)

Replacement Parts

Mylar Window
Photomultiplier Tube
Scintillator

Ordering Info.        Manual

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Copyright © 2000 Ludlum Measurements, Inc.
For comments or suggestions please contact webmaster at: ludlum@ludlums.com
Page last updated: December 2000


The Model 43-1-1 is a large area dual phosphor alpha/beta scintillator that is designed to be used for simultaneously counting alpha and beta contamination	PART NUMBER:47-2336
INDICATED USE: Alpha-beta survey SCINTILLATOR: ZnS(Ag) adhered to 0.010" thick plastic scintillation material 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 30% - ²³⁹Pu; 30% - ⁹⁰Sr/⁹⁰Y; 5% - ¹⁴C BACKGROUND: Alpha - Less than 3 cpm Beta - Typically 300 cpm or less (10 microR/hr field) NON-UNIFORMITY: Less than 10% CROSS TALK: Alpha to Beta - Less than 10% Beta to Alpha - Less than 1% COMPATIBLE INSTRUMENTS: Model 2224, 2225, 2929 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)

Replacement Parts Mylar Window Photomultiplier Tube Scintillator

Ordering Info. Manual

*Return to ludlums.com* Copyright © 2000 Ludlum Measurements, Inc. For comments or suggestions please contact webmaster at: ludlum@ludlums.com Page last updated: December 2000