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Special Features

  • U9845 Impulse Winding Tester is a versatile winding testing device with a pulse voltage of 100V~5000V at 10V steps, 5%±10V. U9845 test systems utilize switching components controlled by high stability, high-voltage impact power and thyristor modules. This configuration dramatically increases stability, reliability and measurement precision during testing.
  • U9845 can be operated over four high-voltage channels and through one of four waveform comparison methods: area, differential area, corona and differential phase. U9845 impulse winding testers possess an advanced 32 bit CPU and a memory depth of 6500 bytes.
  • Two-channel comparison test, dispense with standard waveform acquisition; 65k color 7'' TFT high definition display screen, selectable Chinese and English interfaces;
  • Waveform sampling rate:100Msps; memory depth: 6500bytes; Max. Test speed: 12 meas/sec; Strong corona analysis and extraction function (several corona modes and corona display function) to excavate potential defective insulation of products
  • Instrument parameters automatic storage and boot-up file load function; Vertical exaggeration, horizontal zoom and movement of waveforms for detail observation
  • Sample average function, average processing of 32 standard waveforms; Automatic standard acquisition mode to select suitable sampling rate; Destructive testing bring the right test voltage for you
  • Fast test mode can make real-time change of impulse voltage and sampling rate; Imposed demagnetized impulse to ensure the conformity of the tested waveforms.
  • 20000 pieces of historical measured data storage and discrimination statistics function; can be saved to the U-disk; Directly save the screen pictures (BMP, GIF, PNG) or waveform data to U-disk through SAVE key.
  • System firmware upgrade through U-disk.
  • Foot switch interface for easy and fast measurements.

Description

Specifications:
Model:U9845
Channel:4
Impulse Voltage:100V~5000V,10V steps;Accuracy: ±5%±10V
Inductance Range:≥20uH
Impulse Energy:Max. 0.25 Joule
Measuring Speed:
Single channel:15 meas/sec
Multi channel:single winding test 12 meas/sec,four windings test 2 meas/sec
Pulses Applied:Measuring pulse up to 32, demagnetization pulse up to 8
Input Impedance:10MΩ
Waveform acquisition:
Sampling rate: Max. 100Msps, 10 grades (adjustable)
Resolution: 8 Bits
Memory depth :6500 Bytes
Average:1-32
Comparison Methods:
Comparison with standard waveform:
Area Size Comparison
Differential Area Comparison
Corona Discharge Comparison
Differential Phase Comparison
Accuracy of repetition:±1%
Waveform Measurement:Voltage, Frequency, Time
Trigger Mode:Manual/External/BUS/Internal
Detection Output:OK/NG display，LED indicators, Sound Alarm
Measurement Statistics:Statistics for measurement results and time, Max. 20000
Memory:
Internal:120 gruous(standard waveforms and measurement settings)
USB disk: 600 gruous(standard waveforms and measurement settings)
Interface:
Handler(START,STOP,PASS,FAIL ,BUSY,EOC)
RS232C
USB Device(support USB TMC and USB CDC)
USB Host(support FAT16 and FAT32， BMP、GIF、PNG、 CSV files)
GPIB(option)
Power supply:220V 50Hz/110V 60Hz
Power Consumption:≤50VA
Display type:
800x480 dots, 65kcolor TFT
Waveform display dots: 650x256，Support 1.5 times amplification display
Language:Chinese&English

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