Physical Quantities, Units and

Measurements,

Base Units

length

metre [m]

time

second [s]

mass

kilogram [kg]

electric current

ampere [A]

temperature

kelvin [K]

amount of substance

mole [mol]

luminous intensity

candela [cd]

Zero Error for Vernier Calipers

NO Zero Error

+ Zero Error 0.01 cm

+ Zero Error 0.02 cm

+ Zero Error 0.03 cm

+ Zero Error 0.04 cm

+ Zero Error 0.05 cm

+ Zero Error 0.06 cm

− Zero Error 0.01 cm

− Zero Error 0.02 cm

− Zero Error 0.03 cm

− Zero Error 0.04 cm

− Zero Error 0.05 cm