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Pile integrity tester
The pile dynamic tester is an instrument used for pile foundation integrity detection and prefabricated pile driving process monitoring. It is a test and analysis instrument for the structural integrity of the engineering pile body under impact or vibration loads. It can make necessary repairs to the pile body that affects the bearing capacity and life of the pile body, and at the same time achieve the purpose of the pile body quality survey to determine the structural integrity of the pile body. The basic principle is to generate stress waves by applying an excitation signal to the top of the pile. When the stress wave propagates along the pile body, it will generate a reflection wave when it encounters a discontinuous interface (such as honeycomb, mud inclusion, fracture, hole and other defects) and the bottom of the pile. By detecting and analyzing the propagation time, amplitude and waveform characteristics of the reflection wave, the integrity of the pile can be judged.
Products Description
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Name
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Technical Parameters
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Specifications
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P800
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System noise voltage
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Less than 2mV
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Dynamic range
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Greater than 138dB
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Amplifier frequency band
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10Hz~10kHz
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A/D resolution
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16 bit A/D
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Sampling time interval
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2us~32768us
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Sampling length
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1024, 2048, 4096
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Time indication error
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Less than 1%
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Number of channels
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Single channel
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Amplification factor
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1~128
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Trigger mode
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Signal trigger
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Sensor sensitivity
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100mV/g
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Sensor frequency band
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1-10000Hz
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Continuous working time
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More than 10 hours
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Power supply
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Built-in rechargeable lithium battery (11.1V)
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Working environment
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Temperature: -10~40℃ Humidity <90%RH
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