THE RGI-20 RADIAC SYSTEM--A WIDE RANGE BETA-GAMMA INSTRUMENT. II. THE SOLID STATE PULSED GM TUBE LOW RANGE ACCESSORY PROBE
Technical Report
·
OSTI ID:4631013
A plug-on low-range accessory, consisting of a main unit and a cable- connected probe, was developed for the RGI-20 radiac system. The solid-state circuit for pulsed GM tube operation is contained in the main unit whose dimensions are approximately 2 x 2 1/2 x 8 in. The GM tube is mounted in a cable- connected probe with side and end beta window provisions. Ranges covered by the unit are 0-1, 0--10, 0-100, and 0-1000 millirad/hr; temperature affects accuracy by less than plus or minus 20 percent from -40 to +50 deg C. The operating power, rate-computing circuit, and scalechanging meter display are provided by the basic high range (0--1000 rad/hr) RGI-20 module. (auth)
- Research Organization:
- Naval Radiological Defense Lab., San Francisco
- NSA Number:
- NSA-17-039418
- OSTI ID:
- 4631013
- Report Number(s):
- USNRDL-TR-664
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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