The Model 243 is a shielded
well counter utilizing a NaI(Tl) scintillator with well.
PART NUMBER:47-1621
MODEL 243
Shielded Well Scintillator
INDICATED USE: Gamma assay DETECTOR: 2"(5.1cm) diameter X 1.8"(4.6cm) thick integral NaI(Tl)
well scintillator WELL:0.7"(1.7cm) diameter X 1.6"(3.9cm) Deep EFFICIENCY (4pi geometry): Typically 70% - I-129 COMPATIBLE INSTRUMENTS: Typically used with Model 1000, Model
2000, Model 2200, and others TUBE: 2"(5.1cm) diameter magnetically shielded photomultiplier OPERATING VOLTAGE: Typically 500 - 1200 volts DYNODE STRING RESISTANCE: 60 megohm CONNECTOR: Series "C" (others available) CONSTRUCTION: 0.5"(1.3cm) thick lead and removable cap 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: 11" (27.9cm)H X 8"(20.3cm)W X 8" (20.3cm)L WEIGHT: 30 lbs (13.6 kg) SHIPPING WEIGHT: 46 lbs (20.9kg)
