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U.S. Department of Energy
Office of Scientific and Technical Information

CRITICAL INCIDENT ALARM--MODEL I: INSTRUCTION AND MAINTENANCE MANUAL

Technical Report ·
OSTI ID:4213035

The HAPO Critical Incident Alarm, Model T is an instrument designed to give an audible and visual alarm signal in the event of a critical incident to which it is exposed. The instrument is self-containe4 including the radiation detector, and is calibrated to alarm at 500 mr/hr in a gamma field. The system consists of a sodium iodide crystal, photomultiplier tube, meter, magnetic amplifier relay, power relay, alarms (siren and light), and power supply. (W.D.M.)

Research Organization:
General Electric Co. Hanford Atomic Products Operation, Richland, Wash.
NSA Number:
NSA-13-019126
OSTI ID:
4213035
Report Number(s):
HW-60320
Country of Publication:
Country unknown/Code not available
Language:
English

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