Which one of the following statements is correct?

• A

  The measurment of mass taken by a spring weighing balance is correct at the place where the spring balance is calibrated for
• B

  The measurment of mass taken by a spring weighing balance is correct at all places
• C

  The measurment of mass taken by a spring weighing balance is correct at the places where the acceleration due to gravity is same with the place where the spring balance is calibrated for
• Correct answer
  D

  A spring balance cannot be used to measure mass at any place

Hence, the correct answer is option: 'D'.