Dynamic respond speed: 5ms Speed measurement accuracy: ±1r/m; Torque measurement accuracy: ±0.1%FSR Speed controlling accuracy: ±1r/min Torque controlling accuracy: ±0.2%FSR Characteristics: Fast dynamic response; Energy saving, engine mechanical energy is converted to electrical energy: With both loading and driving function; Equipped with international famous brand inverters, the feeding-back electricity quality meets international standard; Equipped with high-precision torque flange; Apply to steady,transit and dynamic test.