what is a geiger counter used for

what is a geiger counter used for

smell roseA Geiger counter — named after Hans Geiger, a German scientist from the early 1900s who labored on detecting radiation — is an instrument that may detect radiation. Geiger counters can inform you there’s radiation round you, however it will possibly’t inform you the unique supply of the radiation, what sort it’s or how a lot vitality it incorporates.

The US Nuclear Regulatory Fee (USNRC) explains how these devices work on its “What’s a Geiger Counter” web page. Nevertheless, private radiation detectors detect and localize radiation sources generated by artifical units equivalent to nuclear weapons, improvised nuclear units (INDs) or radiological dispersal units (RDDs. They’re worn on the particular person and supply radiation detection within the rapid space across the wearer. The devices can shortly pinpoint the situation of radioactive sources simply, permitting the wearer to reply to the precise location of a risk.

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Sorts of Private Radiation Detectors

Private radiation detectors supply the performance of conventional Geiger counters, whereas delivering options not obtainable in conventional Geiger counters. These light-weight devices supply an improved vary of detection of a number of sorts of ionizing radiation, even in the identical unit – alpha, beta, x-rays, and gamma. In addition they characteristic various kinds of interfaces and a catalog of optionally available equipment for wi-fi reachback, rechargeable batteries, and extension poles to keep up good ALARA ideas. Variations embody items that may monitor dose price, keep time, and peak values. Intrinsically secure choices can be found for customers which will function them in explosive environments.

Some examples of non-public radiation detectors that transcend Geiger counter capabilities are:

  • Fundamental Survey Meters are light-weight private radiation detectors which might be used when the course or location of the supply of radiation is unknown or throughout the particular person. They repeatedly monitor radiation publicity in any nuclear or radiological emergency and show Gamma rely price, dose price, amassed dose, remaining keep time, and peak dose and rely price values.
  • Gamma surveys are used when one wants an prolonged vitality vary equivalent to establishing sizzling and heat zones. Nuclear medication personnel who work with medical isotopes or in services that use radiation want to watch their threat of publicity always. The devices are normally transportable and extremely correct with wonderful dose price vitality response. The devices shows Gamma rely price, dose price, amassed dose, keep time, and peak values .
  • Floor contamination and Publish accident response devices are used to detect floor contamination, in addition to private dose price monitoring, multi functional unit. First responders have to shortly establish combined radioactive floor contamination in facility and subject environments. These devices supply contamination and dose price measurement instruments for characterizing alpha, beta, gamma and X-ray radiation in a single unit.
  • Transportable survey meters with full vary of modular probes are utilized in conditions the place there are exhausting to achieve areas or areas with excessive radiation and ALARA have to be practiced. They normally have built-in a calibrated dose detector and exterior connections to learn a variety of probes, together with Geiger Muller.

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An alternative choice to Geiger Mueller detectors, scintillation detectors detect even the smallest quantities of synthetic radioactivity. They’re particularly helpful when trying to find small quantities of hidden or shielded radiation. Many have functionality to additionally establish the radioactive isotope. Scintillation detectors can work as standalone devices for safety screening occasions, or may be paired with a Geiger Muller detector to supply detection functionality and private dose monitoring to extraordinarily excessive dose charges.

Abstract: Private Radiation Detectors supply far more than Geiger counters

To cite William Shakespeare: “What’s in a reputation? that which we name a rose by some other identify would scent as candy.” On the subject of radiation detection, the Private Radiation Detector identify means a lot greater than a Geiger counter.

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For added data, see: Subsequent-Technology Geiger Counters