C- 20

Used to measure the thickness of the copper foil of the circuit board (convenient and simple, ounce scale indicator)

C- 30

Used to measure the thickness of copper foil on circuit boards (high precision, LCD touch screen)

CU-3000

Used to measure the copper thickness in the hole of the circuit board (high precision, easy to operate)

AL-1000

For measuring PVD aluminized layer thickness in the nanometer range (high precision, LCD touch screen)