Area Monitors

Area monitoring is used for the detection of X-ray or gamma radiation in a selected area. A monitor should be used in any area location where personnel may be exposed to an adverse amount of radiation. Applications include nuclear reactors, accelerators, hot cells, irradiators, and any area where radiation sources are handled. These monitors can be used as single channel monitors or grouped together as a multichannel area monitoring system.

Model 875 High Range Containment Monitor

The Model 875 High Range Containment Monitor consists of a detector, readout, and cable (in metallic tubing) connected through a sealed penetration in the containment wall.

Post accident containment radiation monitor
For use as in-containment accident range area monitor
Meets requirements of NRC Reg. Guide 197 (12/80)

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Model 945A Wide Range Ion Chamber Area Monitor

The Model 945A is a wide-range area monitoring system with a detectable range of 10^-1 to 10⁷ mR/h!

Range: 10^-1 to 10⁷ mR/h
Energy response: 10% from 55 keV to 3 MeV
Life expectancy: up to 10⁷ rads if preamplifier is remote or shielded
No external power is needed at detector location

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955A Geiger-Mueller Area Monitor

The Model 955A is a single-channel area radiation monitoring system capable of operating over the ranges of 10^-2 to 10³ mR/h, 10^-1 to 10⁴ mR/h, or 10⁰ to 10⁵ mR/h, depending on the detector selected.