For more details , please check the following specification document .
Features
1. During the test, the test result is available and the graphic distribution of abnormal points in each profile is shown at any time. Meanwhile, wave train figure, curve graph and data list of each profile may be shown;
2. During the test, sampling delay and amplification factor may be adjusted at any time;
3. With high definition LCD screen, waveform, wave speed and amplitude of multiple tested profiles may be clearly observed, and the quality of whole pile in the test is very clear;
4. It adopts touch screen and user-friendly interface, which is simply, easy to learn and convenient to operate;
5. With high-capacity SD card, there is no need to worry about the storage space of test data;
6. Built-in high-performance and capacity lithium battery may satisfy fieldwork for long time;
7. Various USB ports may be used for data transmission or software update within the instrument;

Technical specifications
Control Mode :Internal A8 Industrial control board
Screen:5.7inch、high brightness TFT LCD screen
Data storage:Internal
Operation Mod:Touch screen and button
Trigger :signal
Sampling interval :0.025μs~1638.4μs adjustable
Acoustic transit time accuracy:0.025μs
Acoustic transit time range: ±1677.7ms
Dynamic range :154dB
Amplifier bandwidth :3~450kHz
Receiver sensitivity:≤10μv
Gain error :0.5dB
Receiver sensitivity:≤10μv
Gain error:0.5dB
Emission voltage（V）:65、250、500、1000 V adjustable
Data transmission:USB、MiniUsb、Wi-Fi、Bluetooth
Size（mm）:210×149×60
Power:
Internal: Built-in lithium battery External :220V AC/DC
Operational environment:
Temperature: -10℃~+40℃ Humidity: <90%RH
Weight :1.36kg（lithinum battery included)
Battery time :>5h