Huazheng Electric

HZTTR80A ratio tester is a fully automatic tester. The tester integrates the test functions of turns ratio, voltage ratio, vector relationship, connection group, polarity, tap position and excitation current. The tester is a lightweight portable instrument. The tester and accessories are installed in a cold-resistant and temperature-resistant, sealed and waterproof, drop-proof and shock-proof multifunctional engineering plastic box, which is convenient for field testing. The tester can be used to test single-phase and three-phase transformers, with and without taps. The instrument can use an Android phone or tablet, download a dedicated APP, control the instrument throughout the process through a dedicated software, and upload the test data for easy reference. Main functional features: ▪ It has PT ratio and polarity test functions. ▪ It has a blind test function. When the connection group of the three-phase transformer is unknown, the transformer ratio and group can be correctly measured. ▪ It can test autotransformers, Z-type transformers and phase-shifting transformers. ▪ Add tap mode settings to adapt to transformers with high voltage at high tapping gear and low voltage at high tapping gear. ▪ Added low voltage side tap settings to adapt to transformers tapped on the low voltage side. ▪ Graphical display of settings, more intuitive. ▪ When testing three-phase transformers, the transformation ratio of the three phases can be measured simultaneously, so the test speed is fast.