... RH822 provides powerful unscheduled data collection and analysis function, include: 1).Time domain waveform, FFT analysis2 ... ,800,1600,3200,6400,12800Time domain sampling1024~32768Window function typeRectangle, Hanning, Hamming, Triangle, Blackman, Kaiser ... temperature range: (-20~+60)°CButtons22 buttons (with numeric type in), with backlightCommunicationUSBDimensions190mm x 110mm x 38mm (without cover ...