MICROTEST 7750 Impulse Winding Tester

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MICROTEST 7750 Impulse Winding Tester hakkında uzman ekibimizden bilgi almak ve fiyatlar için hemen iletişime geçin!

MICROTEST 7750 Impulse Winding Tester Features Lowest Inductance (≥0.1μH) High voltage calibration programmable impulse voltage 200MHz/9bit High Impulse Test Sampling Rate Total Area Comparison Differential Area Comparison Corona Comparison LAPLACIAN Comparison Voltage Compensation Function Specifications Selection Model 7750-1 7750-5 7750-10 Test Channel single channel Impulse Voltage 10V-1200V 100V-5200V 200V-10000V Lowest… Devamı

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MICROTEST 7750 Impulse Winding Tester


Features

  • Lowest Inductance (≥0.1μH)
  • High voltage calibration
  • programmable impulse voltage
  • 200MHz/9bit  High Impulse Test Sampling Rate
  • Total Area Comparison
  • Differential Area Comparison
  • Corona  Comparison
  • LAPLACIAN Comparison
  • Voltage Compensation Function


Specifications

Selection

Model 7750-1 7750-5 7750-10
Test Channel single channel
Impulse Voltage 10V-1200V 100V-5200V 200V-10000V
Lowest Inductance ≥0.1μH ≥10μH ≥20μH
Voltage Resolution 0.1V 1V 5V
Voltage Accuracy ±(1% of setting + 5V) ±(1% of setting + 10V) ±(1% of setting + 20V)
Pulse Energy 0.028 joule 0.5 joule 2 joule

SPEC

Model 7750
Sampling Rate 200MHz/9 bit
Pulse Number Max. 32
Input Impedance 20MΩ
Measurement Statistics
Breakdown Voltage
Measurement Time 7 times/second
Provides 4 waveform comparison
Total area comparison When layer short happened, the loss of power on coil increase, the resonance damping coefficient increase, resonance amplitude decrease, the total area decrease. These are the basic parameters we check layer short.

 

By calculating and comparing the deference of area between golden sample and DUT.

Show by percentage
Analysis the power loss by this data.

Differential area comparison Add up the difference between normal wave and DUT wave call “ Area differential”.

When layer short happened, the inductance reduce(similar the transformer). The wave phase change and the area differential also change. This will show “fail” on the instrument.

However, the parameter might cause deviation because of the deviation of inductance, resonance phase shift. (Silicon steel product such as motor and traditional transformer is not suitable)

 

By calculating and comparing the deference of area between golden sample and DUT. To determine the degree of waveform overlap.
Compare the inductance by this.

Corona comparison In pulse test, the insulation defect will cause discharge and create corona. This function is able to count the times that corona happened base on the degree of deviation.

Detect the discharge phenomenon on the coil.

LAPLACIAN Comparison Use the second derivative to calculate the Laplacian value.

By the corona waveform of high-frequency to know more about the insulating property of products.

SYSTEM

  PLC Remote Control Test、About
  PLC Remote Output Signal PASS、FAIL、HV Output、Testing
  Built-in Storage 200 sets testing waveform
  Power Supply Voltage:98Vac-132Vac 或192Vac-264Vac
Frequency:50/60Hz ±5%
  Power consumption 300VA
  Environment Temperature:10℃-40℃
Humidity:20-90%RH
  Dimension 435x145x522 mm (W*H*D)
  Weight 8 Kg
  Interface RS-232、Remote、Printer
  Display 5.7″ dot-matrix (300*240 )

 

 

 

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MICROTEST Hakkında
Tayvan merkezli Microtest Corporation, pasif bileşenler, transformatörler, kablolar ve motorlar gibi çeşitli elektronik ürünlerin testi için LCR metreler, empedans analizörleri, elektriksel güvenlik test cihazları ve otomatik test sistemleri de dahil olmak üzere kapsamlı ve yüksek hassasiyetli ölçüm çözümleri üreten bir markadır.
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