*2 or 4 simultaneous, 16-bit resolution ADC
*Support 2 or 4 IEPE input，and built-in 3 mA excitation current
*AR-200 support sample rate: 200kHz、100kHz、50kHz
*AR-400 support sample rate: 125kHz、100kHz、50kHz
*Max. Recording time：120 seconds
*Dynamic range：+/- 10V
*Flexible trigger modes: Push button trigger、Schedule trigger、analog threshold trigger、digital input trigger and utility remote trigger
*Supports 4 to 32 GB micro SDHC type flash
*Provide LED indicators
*4 kV Contact ESD protection for any terminal
*Wide range of power input (+10 to +30 VDC) and operating temperature (-25 to 75°C)
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