CRITICAL INCIDENT ALARM – MODEL Ⅰ INSTRUCTION AND MAINTENANCE MANUAL

摘要

It will offer no protection prior or leading up to, nor prevent, a critical incident. They are intended to be operated from the 115 V.A.C., 60 C.P.S. emergency line power. The instrument is self-contained, including the radiation detector, and will be calibrated to alarm at 500 mr/hour in a gamma field.nThe instrument consists of: (l) sodium iodide crystal;(2) photomultiplier tube;(3) meter;(4.) magnetic amplifier relay;(5) power relay;(6) alarms, siren and light;and (7) power supply (see Fig. #l). The instrument is enclosed in a sealed (vaporproof) standard JIC electrical box with the alarms mounted on the box.