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当前位置:首页 > 新闻中心 > 行业新闻 > 正文

超声波相控阵板卡

时间: 2018-3-26  来源:   作者: sxstart

  • PHA16T

    Multi-Channel Ultrasonic Pulser/Receiver and Phased Array Board

    多通道超声波脉冲发生器/接收器和相控阵板

    PHA16.png

     

     

    Features:

    Fires simultaneously or with slight delays for phased array ultrasonic systems

    Supports up to 16 pulser/receiver channels per board and many boards per computer

    Available with single-pulse pulser and tone-burst pulser

    Selectable pulse echo or through transmission mode for each channel

    Pulse voltage up to 300 volts for square-pulse pulser or +/-150 volts for tone-burst pulser

    Build a phased array system or a simultaneous pulser/receiver system (requires PCIAD1650 or PCIAD850)

    Description:

    The PHA8 and PHA16 are multi-channel simultaneously firing pulser/receiver boards with square pulse pulsers. The PHA8T and PHA16T are multi-channel simultaneously firing pulser/receiver boards with tone burst pulsers. Each channel can be set to single transducer (pulse echo) mode or dual transducer (through transmission) mode. The pulse from each channel can be delayed slightly to create a phased array system. 

    PHA8(T) and PHA16(T) are slave boards and should work with the PCIAD850 or PCIAD1650 multi-channel simultaneous data acquisition boards. At each trigger event (software trigger or external trigger) the pulser/receiver channels will fire at user-specified delays and the data acquisition channels will simultaneously convert the analog signals to digital data with user selected post trigger delay, waveform length, gain, DC offset, low and high pass filters. 

    Multiple boards can be installed in the same computer for a data acquisition system with more than one hundred channels. With one board set as the master and remaining set to slave mode, all channels on the slave boards will start taking data upon receiving a trigger signal from the master board. The jitter between channels is less than 2 nanoseconds. 

    The optional distance amplitude gain (DAC) sets various gains at different times during the acquisition. This is very useful for the inspections of materials thicker than 1 inch. 

    Up to 2 encoder counters can be added to the board to enable position-based data acquisition and generate precise ultrasonic images. 

    Users can develop their own software with the provided Windows dynamic libraries for Microsoft C/C++, Visual Basic, and LabVIEW. See the user's guide for PCIAD850 or PCIAD1650 for more details. 

    Applications include flaw mapping, thickness mapping, material evaluation and characterization, rail road inspections and pipeline girth weld inspections. They also can be used for EMAT and guide wave inspections.

    Specifications:

    Square Pulser Global Parameters

    Pulse Voltage

    -40 to -300 in 256 steps

    Pulse Width

    30 to 500 ns in step of 10 ns

    Trigger Source

    External

    Pulse Jitter

    <2 nanoseconds

    Square Pulser Channel Based Parameters

    Damping Resistor

    510 ohms

    Transducer Mode

    Programmable single and dual elements

    Pulse Delay

    0 to 40,950 ns in 1.25 ns increment

    Channel Firing

    Firing all the channels or user selected channels

    Tone Burst Pulser Global Parameters

    Pulse Voltage

    +/-20V to +/-150 in 256 steps

    Pulse Frequency

    20 kHz to 6.5 MHz

    Pulse Cycles

    1 to 30 half cycles

    Pulse Polarity

    Starting positive or negative

    Trigger Source

    External

    Pulse Jitter

    <2 nanoseconds

    Tone Burst Pulser Channel Based Parameters

    Damping Resistor

    510 ohms

    Transducer Mode

    Programmable single and dual elements

    Pulse Delay

    0 to 40,950 ns in 5 ns increment

    Channel Firing

    Firing all the channels or user selected channels