Jordan "Radector" AG-500

Jordan Model AG-500 "Radector" (1953)

Produced by Jordan Electronic Mfg. Co. Inc., of Pasadena California, the Model AG-500 Radector was a miniature wide-range survey meter. In 1954, it was replaced by the Model AGB-500-SR. The latter, unlike the Model AG-500, had a beta detection capability and an internal Sr-90 check source.

Detector: high pressure (10 atmospheres), argon filled ion chamber.

Ranges: Log scale, AG-50-SR: 0.05 - 50 mR/h and 0.05 - 50 R/h
         AG-500-SR: 0.5 - 500 mR/h and 0.5 - 500 R/h
Dimensions: 5" x 3.5" x 4"
Weight: 3 pounds
Batteries: two 1.35 volt batteries