ECL Model EC 9 "Crysto-Count" Scintillation Counter (ca. 1955 - 1960) |
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The Model EC 9 "Crysto-Count"
survey meter was built by Electronic Counter Laboratories Inc. at 418 South
Pecan St., Los Angeles California. It was primarily intended for uranium
prospecting. It came with four time constants: Air - for airborne or fast moving vehicle Fast - for vehicle travelling up to 40 mph Medium - for foot or horseback surveys Slow - for sample checks and grid surveys.
Detector: NaI crystal, 1.5" diameter, 1" long. Range: 0 - 0.025, 0 - 0.05, 0 - 0.25, 0 - 0.5, 0 - 2.5 and 0 - 5.0 mR/hr. Size: 4.5" x 9.5" x 5" Batteries: one 22.5 volt (e.g., Eveready 412) two 45 volt (e.g., Eveready 455) and four 1.5 volt D cells
Kindly donated by Chuck Abraham References Electronic Counter Laboratories Inc. Operation Manual. No date.
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