Radiation Detectors | Survey Equipment | GPS Systems

Ludlum Model 5 Geiger Counter

The Model 5 is a gamma exposure ratemeter equipped with two internally housed, energy-compensated GM detectors that measure over the range of 0-20 mSv/h (0-2000 mR/hr). The aluminum cast instrument housing with its separate battery compartment and accompanying metal handle offer an industrial robustness and quality that promote long lasting protection and instrument life. View Product Details/Place an Order »

Ludlum Model 19 MicroR/Ratemeter

The Model 19 is a highly sensitive gamma µR/meter employing an internally housed, 2.5 cm diameter by 2.5 cm thick (1.0 x 1.0 in.) NaI detector. The measuring range is 0-50 µSv/h (0-5000 µR/hr). The cast aluminum instrument housing with its separate battery compartment and accompanying metal handle offer an industrial robustness and quality that promote long lasting protection and instrument life. View Product Details/Place an Order »

Ludlum Model 3 With 44-9 pancake-type detector

This is Ludlum's best selling, general purpose, handheld analog ratemeter known for accuracy and long-lasting dependability. The analog meter comes in a variety of measurement ranges and units to support the external radiation detector selected. The GM pancake-type detector in the Model 44-9 is arguably the most popular radiation detector used throughout the world. This detector is sensitive to alpha, beta, and gamma radiation, is enclosed within a rugged metal enclosure, and is conveniently shaped and sized for checking contamination on people and objects. View Product Details/Place an Order »