Main Features:
* 42/40dB high dynamic range
* Rugged 1.6m short event dead zone
* High quality touch screen 0.1m sample resolution with 16000 sampling points
* Offer Chinese and English interface
* Deep memory for data storage
* Transmit data to PC by serial or parallel interfaces
* Battery operation life over 8 hours
* Intelligent battery capacity display
* USB interface
* Write/read file in Bell core GR196 file forma