Johnson Seq. 5R X-ray and Gamma pocket dosimeter- lot of 5We have a large quantity of Johnson (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.

This allows detection of alpha radiation as low as 3

neutron and environmental monitoring

20 keV ∼ 3 MeV

an audio volume adjust

The instrument housing is cast aluminum with a separate battery compartment and accompanying metal handle

built-in unimorph speaker

9% 14Cs Window Size 1

Humidity: up to 70% non-condensing

For the same price as a new one

NOTE THE PHOTOS ARE STOCK

Sometimes we have perfect items

The photo is one of the units