The Model 2402 is a pocket sized survey meter designed to quickly
and easily measure ionizing radiation. It may be used with almost
any external Geiger-Muller (GM) or scintillation detector. The
instrument features user-adjustable calibration and alarm set
point controls located under a protective cover on the front panel.
This instrument is rated for indoor or outdoor use within a
temperature range of -20 to 50 °C (-4 to 122 °F). It may be certified
for operation from -40 to 65 °C (-40 to 150 °F). Maxmimum relative
humidity is 95% (non-condensing).

The Model 3019 is a portable and versatile instrument with an internal detector used for background
measurements of gamma radiation levels up to 500 µSv/h (50 mR/hr).

The Model 3192 is a portable and versatile instrument with an internal detector used for background measurements of gamma radiation levels up to 50 µSv/h (5,000 µR/hr). The internal Nal scintillation detector has a sensitivity of 650 cpm per µR/hr.