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IF YOU WANT TO KNOW EXACTLY WHAT POWER YOUR MACHINE HAS
THE MAIHAK SHAFT POWER METER IS DESIGNED TO MEASURE THE SHAFT SPEED AND SHAFT TORSION OF SEA-GOING VESSELS WITH HIGHEST ACCURACY AND REPEATABILITY

Hoppe offers a very compact and precise power measurement system that meets all requirements regarding upcoming emission savings. It is also the basis for the digitalization of a fleet and for performance monitoring.

MEASURING SOLUTIONS

MAIHAK SHAFT POWER METER

  • System with highest measuring accuracy (< 0.5% at all load levels)
  • Calculates averages per hour, per day, and for a user-defined period
  • Generates „heavy run alarm“ or „torque alarm“ with respect to the customer‘s settings
  • Calibrated sensors with self-validation by software in operation
  • Maintenance free and easy calibration by crew
  • For solid and hollow shaft sizes > 150 mm ø and speed up to 800 rpm
MEASURING SOLUTIONS

MEASURING PRINCIPLE

  • Based on two acoustic vibrating wire sensors
  • The sensors operate with a natural frequency of 600 Hz
  • Due to their orientation, one sensor is stretched and the other is compressed when the shaft is twisted by torque
  • In addition, the shaft rotation is measured with a gyroscope, an accelerometer and a Hall sensor
  • The product of the mechanical torsion and the shaft speed is the shaft power
  • The system is delivered fully calibrated from the factory

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