Spark Discharge (NBO) Factory calibrated Hall-effect probe
$146.99
Description
Factory calibrated Hall-effect probe
in pairs or in teams
1 phosphorous (5 hole)
BEK NTC Thermistor mounted on a yellow baseplate with sockets to accommodate the connection of 4mm plug leads
Compare the image in the reflection when the water is still and when its slightly moving
Spark Discharge (NBO) Factory calibrated Hall-effect probeThe Spark Discharge Apparatus is an extremely visual and audible demonstration of the ionization of air caused by Alpha particles. As an Alpha source is moved along the brass mesh, Alpha particles ionize the air, causing a conductive path to form from the mesh to the conductor below, causing a shower of bright sparks and a crackling sound. Moving the source along the track clearly demonstrates that the sparks follow the source. Requires an alpha
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