451B ionization chamber inspection instrument
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Brief description:The fluke 451B ionization chamber detector is a battery-powered handheld device Using CMOS and LCD technology Model 451B nuclear radiation detector can measure alpha rays higher than 4 MeV, beta rays higher than 100 keV, and gamma and X-rays higher than 7 keV
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Detailed introduction
451B ionization chamber inspection instrument
Product introduction:
l fluke 451B ionization chamber inspection instrumentIs a battery powered handheld device
l AdoptedCMOS and LCD technology
l The Model 451B nuclear radiation detector measures alpha rays above 4 MeV, beta rays above 100 keV, and gamma and X-rays above 7 keV
l Comes with a gasket and desiccant package to keep moisture out of the device and provides a pad for the internal components
l High sensitivity to irradiation dose and irradiation dose rateµR measurement
l Available dose equivalent energy responses (SI units)
l Fast response measurement of emissions from leaks, scattered beams and pinholes
l Ergonomic anti-fatigue handles, replaceable covers and wrist straps
l Filter shielding, identificationalpha and beta rays
l Excel plug-in to record data and select instrument operating parameters (optional)
l Low noise ionization chamber bias supply, fast background stabilization time
l bright, clear colors
l Flexible and convenient buttons
Product features:
l The casing of the Model 451B nuclear radiation detector is made of high-strength ABS plastic
l The measurement readout device consists of a2 1/2-digit LCD display and a 100-segment analog bar graph
l The bar graph includes a zero cell,20 groups of 5-square segments. There is a permanent scale ruler on the display
l The large grid of the scale indicates the unit corresponding to the measuring range of the instrument.
l The unit of measurement is shown next to2 1/2 digit display location
l When the instrument is in the corresponding mode, it will appear on the display"LOW BAT" and "FREEZE" symbols
l External control switches include an on/off button and a "MODE" button
l The instrument has automatic range and automatic zeroing functions
l When site conditions are dim, the backlight is automatically activated
l The 451B provides a user-configurable audio alarm function
l two sections9 V battery located on the back of the instrument provides 200 hours of continuous operation
l provided a440 mg/cm2 resin shield, can shield beta rays
Technical parameters:
detectable radiation | Alpha (above 7.5 MeV), Beta (above 100 keV), and Gamma (above 7 keV) |
Accuracy | In any range, the full-scale scale is displayed10% between 10% and 100%, calibration source is 137Cs |
detector | ionization chamber 349 cc air ionization chamber |
Ionization chamber wall | 246 mg/cm2 thick, phenolic resin |
Ionization chamber window | 6.6 mg/cm2 Mylar polyester film, steel mesh protection, 46 cm2 detection area |
automatic features | Automatic clearing, automatic range and automatic backlight lighting |
power supply | 9V alkaline battery, two cells, 200 hours operation time |
Warm up time | 1 minute |
accumulation mode | inAfter 451B is turned on, it will work continuously for 30 seconds. Even when the display unit is mR or R/h, the accumulation mode can still be executed. |
freeze mode | Markers will be placed on the bar graph to hold peak values.The 451B will continue to read and display the current radiation dose value |
show | LCD simulation with backlight/digital display |
Simulation | The 100 barcode shows density and the length is 6.4cm. The barcode area is divided into 5 main areas, each area is indicated by the appropriate identification value |
numbers | The 2.5-digit display is followed by a valid zero digit (depending on the 451B operating range). The unit of measurement will always be displayed |
geotropism | - 20° to + 70°C /0 to 100%, less than 1% at + 60°C |
Size | 10 x 20 x 15 cm |
weight | 1.11kg |
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