The Geiger-Mueller (GM) detectors fulfill a wide variety of radiation measurement needs. Probes are available for detection of alpha, beta, and gamma radiation. Some probes are provided with a 360° shield to permit discrimination between penetrating and non-penetrating radiation.
Reliability and ruggedness are built into the GM detectors, with uniformity of construction and field-proven design to assure dependable performance with all the GM survey instruments. Standard MHV type connectors readily allow interchange of all detector probes. The GM counters are fastened to the Model 190 Count Rate and Survey Meter by a Velcro® strap. The life expectancy of the counters ranges from 108 total counts to unlimited life depending on the type of quench gas utilized. Enhanced sensitivity to low-level alpha, beta, gamma and x-ray radiation is achieved when using the unique Model 498-110D Pancake GM Probe.
The scintillation detectors are carefully selected and optically coupled to photomultiplier tubes. The photomultipliers are magnetically shielded with mu-metal and specially shock mounted to provide trouble-free performance. The entire detector, crystal and photomultiplier, are secured in sturdy, cylindrical, aluminum housing. Where appropriate, a thin window has been utilized to provide alpha or low energy gamma response
Features
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The GM probes provide a qualitative assessment for radiation detection. The following probe selection guide lists various probes and suggested applications. Applications include nuclear medicine counter top surveys, leakage detection from diagnostic x-ray and linear accelerators, geological surveys, scrap metal yards and unknown wells The scintillation detectors provide a quantitative assessment for radiation detection in counts/minutes. Applications outlined in this guide include nuclear medicine labs, HAZMAT spills, radiation safety office surveys, industrial hygiene, industrial x-ray manufacturing, and geological surveys.
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Models and Accessories
| Model Name | Description |
| 489-55 | Gamma Scintillation Probe for Gamma and X-ray >60 keV |
| Service Packages | |
| Care Plans | Request a quote |
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