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Generator Rotor AC Impedance Tester
Generator Rotor AC Impedance Tester

Generator Rotor AC Impedance Tester

Type: ZC-401B
    Generator rotor AC impedance tester is a special instrument for determining whether the turn-to-turn short circuit exists in the generator rotor winding, and can manually and automatically (unidirectional or bidirectional) measure many parameters of the generator rotor such as voltage, current, impedance, power and rotating speed.
    ZC-401A Generator Rotor AC Impedance Tester is the latest enhanced AC impedance tester launched by our Company. The instrument adopts the state-of-the-art high speed microprocessor technology with more powerful functions, preferable performances and more convenient use. The tester has a series of characteristics such as high reliability, easy operation, high test precision, being compact and lightweight and etc., and currently is in the domestic leading level.
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Product Features
    1. The tester can provide full automatic acquisition, measurement, display, storage and printing of all the measurement parameters and impedance characteristic curves (including voltage, current, impedance, power, frequency, equipment number, time, etc.)
    2. The tester is characterized by ultra-wide measuring range, which can fully automatically or manually measure AC impedance and their characteristic curves of all the generator rotors.
    3. The tester has built-in storage with super-large capacity, which can store the test data. and upload the data to PC through the standard industrial communication interface (RS232). The downloading of data, automatic generation and compiling of typical test reports can be achieved using the software attached with the tester which was developed by our company, so as to facilitate technical management and archiving.
    4. The tester has perfect over-voltage and over-current protection functions, in which the over-current and over-voltage protection thresholds can be automatically adjusted in accordance with the settings of the test parameters. Due to these characteristics, the device is simple and can ensure the safety of the equipment under test.
    5. The Product can also be used for no-load and short circuit tests of single phase transformers as well as the volt-ampere characteristic tests of voltage (current) transformers and arc suppression coils.
    6. The Product has a large screen graphic LCD with a full English menu interface and cursor instructions, which is simple and convenient. The test data and curves can be displayed in real time and the curvilinear coordinates can be automatically scaled for a clearer map reading.
    7. The tester is equipped with a miniprinter, which can print the AC impedance test reports and AC impedance characteristic curves in real time.
Technical Parameter
Type     ZC-401A
Function     Generator rotor AC impedance, rotor loss test
Power supply Input voltage     185Vac~250Vac
Allowable input voltage     85Vac~264Vac
Frequency     50/60Hz
Allowable frequency     45Hz~65Hz
Input power     40VA
Joint     Standard AC socket 60320
AC impedance Test range     0Ω~6000Ω
Resolving power     0.01Ω
Accuracy     0~1Ω: 0.2%FS±2 words
    1~6000Ω: 0.2%
AC voltage Test range     0~600V
Resolving power     0.001V
Accuracy     0~50V: 0.2%FS±2 words
    50~600V: 0.2%
AC current Test range     0~120A
Resolving power     0.001A
Accuracy     0~10A: 0.2%FS±2 words
    10A~120A: 0.2%
Active power Test range     0~72kW
Resolving power     0.001kW
Accuracy     0~1kW: 0.1>CosΦ>0, 1%FS±2 words
    CosΦ>0.1, 0.5%FS±2 words
    1kW~72KW: 0.1>CosΦ>0, 1%FS±2 words
    CosΦ>0.1, 0.5%FS±2 words
Frequency Test range     40~75Hz
Resolving power     0.001Hz
Accuracy     0.2%
Environment condition Operating temperature     -10℃~+50℃
Storage temperature     -25℃~+70℃
Humidity     relative humidity: 5%~95%, no dew
Physical characteristics Size     415mm×225mm×200mm
Weight     ≈5kg (Excluding attachments)
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