Kelley-Koett Keleket K-800

Keleket Model K-800 Survey Meter (1949-1951)

The Model K-800 GM survey meter was manufactured by the Kelley-Koett Manufacturing Company of Covington Kentucky. It was a rugged instrument: immersion-proof, shock-proof and it came in a heavy-duty aluminum case.

Quoting the manufacturer: "For monitoring, for geological or contamination survey . . . in plant, laboratory or field . . . the Keleket K-800 Beta-Gamma Counting Rate Meter has many new features for greater accuracy and convenience."

Detector: glass wall GM tube, 35 mg/cm2, Model K-15B

Range: 0 - 0.2, 0 - 2.0, 0 - 20 mR/h
       0 - 360, 0 - 3600, 0 - 36,000 cpm

Audio: no speaker but headphone jack

Batteries: one 1.5 volt, one 67.5 volt, one 300 volt

Size: 9.75" x 5" x 4"

Weight: 8 pounds

Price: $250.00 in 1950.