Disk Source
• Check Performance Of GM Tubes & NaI Detectors
• 0.1 uCi, 1.0 uCi, And 10 uCi Activities
• Available In A Wide Variety Of Nuclides
• NIST Traceable Accuracy +5% At The 99% Confidence
• 1" x .25" Thick
• 5.0 mm Active Diameter



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