The Model 450 Ion Chamber Survey Meter is a lightweight hand-held,
battery operated unit designed to measure alpha above 4 MeV, beta
above keV, and gamma and x-ray radiation above 7 keV, using the
latest CMOS and LCD technology.
The unit is auto-ranging and auto-zeroing. The meter measures
exposure and exposure rate, and can hold the maximum exposure rate
encountered.
I KNOW VERY LITTLE ABOUT THESE INSTRUMENTS, SO THERE'S NOT MUCH I CAN TELL YOU ABOUT IT. THE PICTURES ARE OF THE ONE YOU ARE BIDDING ON. THE ONLY THING I NOTICED WHEN I PUT BATTERIES IN IT, IS THAT SOME OF THE NUMBERS ARE FADED (SEE PICTURE). YOU CAN STILL MAKE THEM OUT BY TILTING IT A LITTLE. THEY MIGHT CLEAR UP AFTER LEAVING IT ON FOR AWHILE, BUT I DON'T KNOW FOR SURE. I JUST TURNED IT ON BRIEFLY TO TAKE PICTURES. IT'S BEING SOLD "AS IS" WITH NO WARRANTY EITHER EXPRESS OR IMPLIED. I SHIP TO CONTINENTAL UNITED STATES ONLY. SHIPPING WILL BE CALCULATED TO YOUR ZIPCODE.