Fluke 451B Ion Chamber Survey Meter with Beta Slide
The 451B state of the art ion chamber survey meter is a hand held battery operated unit designed for use in both rugged and normal environments. The 451B includes a sliding beta shield, to serve as an equilibrium thickness for photon measurements and enables beta discrimination. The 451B has auto-ranging and measures the radiation rate and accumulated dose from various radiation sources (beta, x-ray and gamma). The ion chamber detector allows for a fast response time to radiation from leakagem scatter beams and pinholes. Additionally, the low noise chamber bias supply provides for fast background settling time.
The digital display features an analog bar graph, 2.5 digital readout, low battery, freeze (peak hold) mode indicators and an automatic backlight function. User controls consist of an ON/OFF button and a MODE button. The case is constructed of lightweight, high strength materials and is sealed against moisture.
The RS232 interface can be connected directly to a computer for use with the Excel add-in for Windowa (451EXL), enhancing the functionality of the instrument. This software allows for data retrieval, user parameter selection and provides a virtual instrument display with audible (requires sound card) and visual alarm indication.
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