Johnson Seq. 0.5R X-ray and Gamma pocket dosimeter- lot of 5 Ludlum although it is also sensitive

although it is also sensitive to beta-gamma radiation

Recorder Output Correlated to meter reading (adjustable to 1 V at 1 mA) Power 95 to135 Vac (178 to 240 Vac available)

External background subtract

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

Solid Performance Designed to measure low-level gamma radiation

Johnson Seq. 0.5R X-ray and Gamma pocket dosimeter- lot of 5 Ludlum although it is also sensitiveWe 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.