A LOW RATE PORTABLE COUNTER
Abstract
Measurement of low radiation levels is difficult with present count-rate radiacs because of the excessive meter fluctuations on the low ranges. An accessory has been developed which increases the readability of the low ranges in these devices. The Low-Rate Portabl Counter is i ende for use h re th counti g rate are below 50 0 coun p r minut . The ins rum utili s the output pulse normally used to operate headphones, and supplies the operator with a digital display in counts for a preset time. Four fixed counting periods are v il bl : 4 8 15 min. R I OR CIRCUITRY IS EMPLOY D PO R I UPPLIED BY A I ERNAL RECHARGEABLE BATTERY SOURCE OR FROM A !!%-V, >)-CYCLE LINE. The AC power supply is also used to recharge the battery pack. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 28, 1962
- Accession Number
- AD0283807
Entities
People
- G.t. Kiyoi
- R.h. Sorenson
Organizations
- Naval Radiological Defense Laboratory