Realization of a Microtorque Standard by Using an Electromagnetic Force Type Torque Standard Machine

• Abstract:

  In order to realize a microtorque standard, we investigated the principle of a torque generating method using an electromagnetic force by referring to watt balance experiments for the redefinition of the kilogram. Then, we have developed an electromagnetic force type torque standard machine (EMTSM), and the SI traceable torque was successfully realized for the first time using a method which does not refer to the gravitational force. In this study, we studied on the realization of torque less than 1 mN·m based on this principle. As a result, torque down to 0.3 µN·m was successful realized by using a highly accurate programmable voltage/current source.
• Keywords:

  torque, torque standard, microtorque, watt balance, electromagnetic force
• Download:

  IMEKO-TC3-2017-059.pdf
• DOI:

  _unreg_tc3-2017.059

Event details:

• IMEKO TC:

  TC3
• Event name:

  TC3 Conference 2017 - Measurement facing new challenges!
• Title:

  23^rd Conference on the Measurement of Force, Mass and Torque (together with 4^th TC22 Conference on Vibration Measurement and 13^th TC5 Conference on the Measurement of Hardness)

• Place:

  Helsinki, FINLAND
• Time:

  30 May 2017 - 1 June 2017