Electrical Technology, Vol2: Machines and Measurements, 1/e

52

Multimeters – V.O.Ms.

OBJECTIVES

In this chapter you will learn about:

• Difference between analog and digital displays
• Deflecting torques, control torque and damping torque
• Direct current, voltage and resistance measurements by analog techniques
• Current transformer, potential transformer and clamp meter specifications and their significance
• Circuit details of Simpson Model 2.60 Multimeters seven-segment displays: three-and-a-half digit and eight-and-a-half digit readouts
• The principle of measurement of current, voltage and resistance by digital techniques simple problems on the above

Multimeters analog and digital

52.1  INTRODUCTION ...