Thursday, November 10, 2011

Update on Setagaya 7.356 Microsieverts/Hr Spot: Only Horiba Survey Meter Detects

The person who posted the 7.356 microsieverts/hour spot at the gate post in front of a high-rise apartment in Setagaya-ku has an update.

He says when the measurement was done again with the Setagaya-ku government people on the same spot, only his survey meter, HORIBA Radi PA-1000 , responded. The Setagaya-ku government used "NHC7" made by Fuji Electric.

Their temporary conclusion is that for some reason the HORIBA Radi PA-1000 was picking up some electrical source inside the gate post.


Andrew Spagnoli said...

Were both geigers set up for all forms of radiation? Alpha?

arevamirpal::laprimavera said...

Probably not. I'll ask the person.

Anonymous said...

Most environmental radiation consists of three types: alpha rays (α), beta rays (β) and gamma rays (γ). HORIBA's PA-1000 "Radi" environmental radiation monitor makes it easy for non-specialists to measure even minute levels of gamma rays.

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