Meter Dial, Test Source, Check Source, 200k Cpm (pancake In Direct Contact)

US $20.00

  • Cleveland, Ohio, United States
  • Feb 21st
Meter Dial. Old, clean, unused surplus. Contains Ra-226 painted numbers and text.It doesn't glow on its own anymore because of the normal degradation of the ZNS crystals from the Alpha particles striking the ZNS for many years. The painted areas will glow green if you shine a UV light on them. An LED UV flashlight will work. Dimension from mounting hole to mounting hole is 1.5 inches.  The meter dial reads 200,000 (Two Hundred Thousand) CPM of combined Alpha, Beta, Gamma with a pancake probe in direct contact. To put this into perspective, a Fiestaware plate will read about 25,000 (25 thousand) CPM of combined Alpha, Beta, Gamma with a pancake probe in direct contact. The first photo is without camera flash and the second photo is with camera flash on.
Condition:
New other (see details): A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections. ...
Country/Region of Manufacture United States

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