Ludlum Model 5 Geiger Counter Carbon Pail the Defender 500 series incorporates

the Defender 500 series incorporates features to make it immune to flow source pulsation without the need for in-line dampers

The probe is 0

Automatic bump testing

The Defender calibrators connect to any PC

Ludlum Model 5 Geiger Counter Carbon Pail the Defender 500 series incorporatesThe 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. The front panel controls include a rotary switch for selecting the five display