Are you a motor manufacturer facing challenges in ensuring the performance, efficiency, and reliability of your motors? Looking for a motor testing system but feeling overwhelmed by the different models of dynamometers on the market? If you’re confused about which one to choose, this guide will help.
What is a Dynamometer ?
A dynamometer is a device used to measure torque, force, and power. It is commonly used in performance testing, quality control, efficiency analysis, and research & development in mechanical and automotive industries.
Types of Dynamometers:
Hysteresis Dynamometer and Eddy current Dynamometer are two types of Dynamometer.
Hysteresis dynamometers generate resistive torque through magnetic hysteresis.
Eddy current dynamometers generate resistive torque through eddy currents induced in a conductive rotor subjected to a fluctuating magnetic field.
Here Are 5 Reasons to Choose a Hysteresis Dynamometer:
1. Minimal Thermal Generation
Hysteresis dynamometers generate minimal heat and are predominantly air-cooled under normal operating conditions, eliminating the need for additional air blowers.
In contrast, eddy current dynamometers generate high amounts of heat, requiring active cooling by water or forced air.
2. Superior Measurement Accuracy
When buying any equipment, precision and accuracy are key factors. Why settle for something with less accuracy?
Hysteresis dynamometers provide higher precision, achieving ±0.1% of full-scale torque measurement.
Eddy current dynamometers only achieve ±0.25% to ±0.5% of full-scale torque measurement.
3. Reduced Wear and Tear
Imagine purchasing an expensive piece of equipment only to discover it has a high wear potential—definitely not ideal.
Hysteresis dynamometers feature a non-contact operation, reducing mechanical degradation and enhancing durability.
Eddy current dynamometers have a higher wear potential due to physical contact and friction.
4. Faster Dynamic Response
For applications requiring quick adjustments, response time is critical.
Hysteresis dynamometers provide rapid response to load variations, ensuring enhanced performance in transient testing conditions.
Eddy current dynamometers have slower performance due to inherent thermal inertia.
5. The Best Choice for Precision Applications
If your application demands high precision, stable torque at low speeds, and minimal maintenance, a hysteresis dynamometer is the superior choice.
we believe our Sugawara hysteresis dynamometers offer the best performance and reliability for your testing needs.
