Improved propeller modular power tester

The utility model relates to an improved propeller modularized power tester, which comprises a mechanical sensor, a power transmission connecting shaft and an electric signal transmission module which are sequentially connected from right to left, the right end part of the mechanical sensor is provided with a propeller, and the left end of the electric signal transmission module is provided with a propeller driving motor; the mechanical sensor comprises a sensor measuring shell, a torsion driver, a torsion sensor, a push-pull force sensor, a sensor limiting stopper, a mechanical sensor adapter and a mechanical sensor connector are sequentially arranged in the sensor measuring shell from right to left, and the sensor limiting stopper and the push-pull force sensor are correspondingly arranged. According to the utility model, the service life of the power tester is greatly prolonged, the stability and the accuracy of data measurement are improved, a plurality of waterproof modes are adopted in the tester, the w