Micro Torque Dynamometer

PC-MMA1

This model measures speed and torque characteristics and power output up to 30,000 r/min in compact DC motors with start up torques of 1 mN·m or less, uploading these measurements to a personal computer running Windows. Adding a voltage/current measurement component allows the model to measure voltage and current.

Primary Advantages

  • This model calculates torque from relative RPM between the motor and the magnetic-field generator, enabling high-precision measurements.
  • Stable measurements from 30,000 r/min to the stopped state.
  • Precise axle matching.
  • Fabrication of specialized motor-measurement hardware.
  • Adding an EVA-1 voltage/current measurement component allows the model to measure voltage and current.

Basic configuration

  • Torque meter: PC-MMA1
  • Torque measurement component: MMT-1MN
  • Personal computer: Microsoft Windows 2000, ME, XP

Sample measurement data

Specifications

Model PC-MMA1
Braking method eddy current braking
Load-control methods torque control
open loop sweep
Measurement modes automatic mode
manual mode
Torque measurement calculated from relative difference in RPM between motor subject to measurement and braking motor
Torque measurement range 0.1/1/2 mN·m
RPM measurement range up to 30,000 r/min
RPM measurement accuracy ±0.1% of range (full scale)
Compatible personal computers OS: Microsoft Windows 2000, ME, XP

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