Model 43-89 Alpha/Beta Scintillator

The Model 43-89 is a 100 cm² dual phosphor alpha/beta scintillator that is designed to be used for simultaneously counting alpha and beta contamination

PART NUMBER:47-2430

INDICATED USE: Alpha-beta survey
SCINTILLATOR: ZnS(Ag) adhered to 0.010" thick plastic scintillation material
WINDOW: Typically 1.2 mg/cm² aluminized mylar
WINDOW AREA:
     Active - 125 cm²
     Open - 100 cm²
EFFICIENCY (4pi geometry): Typically 16% - ²³⁹Pu; 5% - ⁹⁹Tc; 16% - ⁹⁰S/⁹⁰Y
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, 2360, 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: 5.5"(13.9cm)H X 4"(10.2cm)W X 12.3"(33cm)L
WEIGHT: 1.5 lb (0.7kg)

Replacement Parts

Mylar Window
Photomultiplier Tube
Scintillator
Protective Cover

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: April 6, 2001


The Model 43-89 is a 100 cm² dual phosphor alpha/beta scintillator that is designed to be used for simultaneously counting alpha and beta contamination	PART NUMBER:47-2430
INDICATED USE: Alpha-beta survey SCINTILLATOR: ZnS(Ag) adhered to 0.010" thick plastic scintillation material WINDOW: Typically 1.2 mg/cm² aluminized mylar WINDOW AREA: Active - 125 cm² Open - 100 cm² EFFICIENCY (4pi geometry): Typically 16% - ²³⁹Pu; 5% - ⁹⁹Tc; 16% - ⁹⁰S/⁹⁰Y 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, 2360, 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: 5.5"(13.9cm)H X 4"(10.2cm)W X 12.3"(33cm)L WEIGHT: 1.5 lb (0.7kg)

Replacement Parts Mylar Window Photomultiplier Tube Scintillator Protective Cover

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: April 6, 2001