Additional Features: 2-Channel, 16-Bit Resolution, Wide Dynamic Range of 90 dB (Typical Value) Maximum Input Sensitivity of -140 dBV (2 kHz Range, Typical Value) 10 mHz to 100 kHz Frequency Range (1-2-5 Steps) Domain Method (Measurement Domain Mode) For Ease of Operation Portable With Large 8 Inch CRT Screen Frequency Analysis Resolution of 25 to 3200 Lines Built-In Power Supply For Measurement of Accelerometers