ion-chamber
Pressurized µR Ion Chamber Survey Meter
The auto-ranging 451P Pressurized uR Ion Chamber Survey Meter features a pressurized ion chamber, providing enhanced sensitivity (µR resolution) and improved energy response to measure radiation rate and dose from x-ray and gamma sources.
assistant for Excel
The 451EXL provides remote control for many of the 451B and 451P functions via a Microsoft® Excel-based user interface.