uranium content meter by beta and gamma radioactivity

thorium content meter

beryllium content meter

coal ash content meter

content by volume

fluidic carbon content meter

fog water content meter

heavy water content meter

hot-wire liquid water content meter

liquid film plutonium content meter

Lyman-alpha total water content meter

Measuring moisture content by microwave

Moisture content meter

mud sand content meter

oil content meter

ore content meter

query by content

radon content meter for prospecting purposes

short fiber content by number