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  

The assigned date of  1953 is based on a handwritten date on the inside of the case.            

References  

Model AG-50, Nucleonics August 1953 p 72;

Museum Directory               Survey Instruments