The Model 43-90 is an Alpha Scintillator that can be used with several different instruments including survey meters, scalers, ratemeters, and alarm ratemeters

PART NUMBER:47-2448


INDICATED USE: Alpha survey
SCINTILLATOR: ZnS(Ag)
WINDOW: Typically 0.8 mg/cm▓ aluminized mylar (1.2 mg/cm recommended for outdoor use)
WINDOW AREA:
Active - 125 cm▓
Open - 100 cm▓
EFFICIENCY (4pi geometry): Typically 20% - Pu-239
NON-UNIFORMITY: Less than 10%
COMPATIBLE INSTRUMENTS: General purpose 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)

Replacement Parts

Mylar Window
Photomultiplier Tube
Scintillator
Protective Cover

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