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Survey Meter Information |
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Which meter should you use? Laboratories should choose a meter according to the isotopes they use. Beta emitting isotopes, such as C-14, P-32, P-33, and S-35, are best detected with a Geiger Mueller (GM) probe. Unlike beta emitters, gamma emitters are most easily detected with a sodium iodide (NaI) probe. Common gamma emitters include I-125, I-123, I-131, and Tc-99m. One important isotope that cannot be detected with most probes, unless present in large activities, is tritium (H-3). Tritium emits beta particles with energies insufficient to enter the sensitive volume of most detectors. |
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Where to purchase a survey meter? Survey meters are offered by many reputable companies. See below for a list of these companies, their respective websites, and select product information. Some survey meters, such as the Victoreen 190 and RPI RadMonitors, can be ordered as one unit including both a probe and the meter itself. However, other companies, such as Ludlum and WB Johnson, require the user to specify the probe and meter as separate items. Keep this in mind when placing your order. |
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