Johnson Seq. 0.5R X-ray and Gamma pocket dosimeter- lot of 5 Ludlum Solid Performance Designed to measure

Solid Performance Designed to measure low-level gamma radiation

while measuring airborne activities in real time with the sophistication required to provide low false alarm rates and high protection levels

We also have the manual

Model 177-84: supports scintillation and proportional detectors

Johnson Seq. 0.5R X-ray and Gamma pocket dosimeter- lot of 5 Ludlum Solid Performance Designed to measureWe have a large quantity of Johnson (0. 5R) and other ranges available for sale. This listing is for 5 units. We will drift test these prior to selling and only sell those that pass the ANSI Standard for drift of 10% of scale over 24 hrs.