U9845 Impulse Winding Tester

Pulse voltage: 100V~5000V， 10V step，5%±10V
Inductance measuring range: ≥20uH
Pulse energy: Max.: 0.25 Joule
Sampling rate: 100Msps
Determination method: Area, differential area, corona and differential phase
Number of high-voltage channels: 4

keywords: LCR Meter Capacitance Meter

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Impulse Winding Tester

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- Commodity name: U9845 Impulse Winding Tester
- Commodity ID: 1070420231471124480
Pulse voltage: 100V~5000V， 10V step，5%±10V Inductance measuring range: ≥20uH Pulse energy: Max.: 0.25 Joule Sampling rate: 100Msps Determination method: Area, differential area, corona and differential phase Number of high-voltage channels: 4

Brief Introduction:

U9825/U9845/U9805X series impulse winding tester adopts high stability & high-voltage impact power and thyristor module controlled high-voltage switching devices, which bring a substantial increase in the stability and reliability of the product. With advanced 32 bit CPU and high speed FPGA, 100Msps sampling rate and memory depth of 6500 bytes make the test more precise; the use of high speed testing technique make the maximum test speed up to 12 meas/sec.

Features:

■ Delta and star connection of three-phase machine, Primary and secondary windings, primary and secondary secondary windings, primary and secondary + primary and secondary windings of single-phase machine can be tested; satisfying motor interturn testing of all series (U9845, all-powerful motor test)

■ Provide 8-channel sweep test at most (U9805X)

■ 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

■ Four waveform comparison methods: Area, differential area, corona and differential phase

■ Strong corona analysis and extraction function (several corona modes and corona display function) to excavate potential defective insulation of products

■ Excellent test repeatability to guarantee stable measurement

■ 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

■ Handler、RS232C、USB Device、USB Host and GPIB(option)

Comparison test function:

Without collecting standard waveforms, the consistency of two tested coils can be compared rapidly.

Corona display function:

Up to 100Msps sampling rate ensure precise extraction of corona information. The equipped corona display function make corona information and product performance clear and visualized.

Specifications
Model			U9825	U9845	U9805X
Channel number of HV			2	4	Customizable, 8-channel at most
Impulse voltage			100V~5000V， 10V step，5%±10V
Inductance test range			≥20uH
Impulse energy			Max.: 0.25 Joule
Test speed			Single-winding: Max.12 meas/sec,4-winding: Max.2 meas/sec
Applied pulses			Max. 32 of test pulse; max.8 of demagnetizing pulse
Input impedance			10M
Display			800x480 dot 65k color TFT,Waveform display range: 650x256, support 1.5 times magnifying display
Waveform acquisition			Sampling rate: max.100Msps, adjustable 10 levels;Resolution: 8 Bits;Memory Depth:6500 bytes;Sample average:1-32
Comparison methods			Area, differential area, corona and differential phase
Test repeated accuracy			±1%
Comparison test			yes		no
Waveform measurement			Voltage/Frequency/Time of the waveform
Trigger Mode			Manual (including foot switch)/External/Internal/Bus
Detection Output			OK/NG display, LED / alarm
Test statistics			Statistics function of measurement time and results, up to 20000 pieces
Memory		Internal	150 groups	120 groups	60 groups
		U-disk	600groups (standard waveform data and test setup parameters)
HANDLER signal			START,STOP,PASS,FAIL ,BUSY,EOC		START,CH1~CH8, ALL,BUSY,EOC
Interface			USB Slave，RS232C，IEEE488（option）; USB Host（support storage of BMP, GIF, PNG image files and firmware upgrade）
Power supply
Power supply			220V±10% 50Hz±5%
Power consumption			≤50VA
General conditions
Working environment	Temperature		0℃ - 40℃
	Humidity		≤75% R.H.
Weight			8.0Kg
Dimension (WxHxD)			400mmx 132mmx350mm

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