Provided are a wind tunnel balance calibrator capable of improving accuracy of attitude control of a wind tunnel balance, and a wind tunnel balance calibrator which can ensure a wide work space around the wind tunnel balance. A wind tunnel balance calibrator 10 includes a load application mechanism 15 for applying a load to a wind tunnel balance 2 and an attitude restoration mechanism 16 for restoring an attitude of the wind tunnel balance 2. The attitude restoration mechanism 16 is constituted by a parallel-link mechanism including a support plate 20 for supporting the wind tunnel balance 2, and actuators 18 capable of displacing the attitude of the support plate 20 with six degrees of freedom.
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