variable ratio group tester verification device

... turn ratio testers with accuracy at 0.5 or below 0.05. It is composed of two parts: standard three phase PT and inductive voltage divider. The PT is used to test ratio group test function of the ratio tester, inductive voltage divider is used to test the

...ensure the required voltage transformation. 2. Check whether the indicated position of the voltage tap changer is correct.Transformer ratio tester test can achieve what purpose and results 3. Check the ratio of turns of each coil to determine whether there

... Plug Socket Tester GOST 7396.1-89 IEC 83-75 Group C Socket Measure Product information: This testing device conforms to GOST 7396.1-89 (IEC 83-75), Group C figure 1 and figure 2. The gauge in figure 1 is used for verify the interchangeability of plugs,

...tester is a new generation of innovative CT and PT test instruments developed after theoretical research, which is based on the traditional volt-ampere characteristic variable ratio polarity comprehensive tester of voltage regulator, booster and current booster, and extensively listened to users' opinions and conducted extensive market research and in-depth research. The device