The Model 2241-2 allows you to interchange two different probes.  It works with scintillator, GM, and Proportional detectors.  It has a digial output and built in scaler for timed counts.  It allows you to set up each of two detectors and lets you switch to enable them.  It has a LCD backlight and adjustable alert and alarm setpoints for both the Ratemeter and Scaler modes.  The scaler it activated by switch position and a button on the handle.

This Meter is Counts.Pro ready.