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• Name:DF900A Metal crack detector
• Date:2018-8-8 15:59:31
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Application: DF900A ultrasonic flaw detector is a kind of portable industrial nondestructive testing instrument. It can be used to detect, locate, evaluate and diagnose a variety of defects (cracks, porosity, pores, inclusions, etc.) easily and accuracy.

Technical parameters:

Frequency bandwidth：0.3-22MHz

Impulse voltage:－400Ｖ

Pulse front edge：<10ns

Repetition frequency：1000Hz（each channel）

Average time：8

Sampling depth：512，1024

Matching impedance：25，500

Detection mode：digital detector

Gain margin: 0dB－110dB waveform display：radio-frequency wave, detection（full detection, negative or positive half-wave detection）, signal frequency spectrum（FFT）

scan delay：0~500us controllable 0.008us precision

Scan positioning：time base（Built-in real-time clock-0.02s precision）/real position（incremental encoder-0.5mm precision）

Imaging mode：according to the choice of operation mode and the corresponding equipment configuration and setting to display A scan, B scan imaging, C scan imaging, TOFD imaging, P scan imaging, guided wave imaging

Straight line scan length：0-40 m

Recording mode：complete original data records

Off-line analysis：scan record waveform of A scanning in scan recovery and playback  Defect size measurement and profile description  Thickness/amplitude data statistical analysis record is converted to ASCⅡ/MS Word/MS Excel

Data report：Direct Printing A scan, spectrogram, B scan imaging, C scan imaging, TOFD image, P scan imaging, guided wave detection