Low-frequency signal Generator Specifications Frequency range 20Hz20kHz in 3 ranges ×1 20Hz200Hz ×10 200Hz2kHz ×100 2kHz20kHz The graduation deviation of the frequency ≤± 5% The sine wave output voltage level Output level ≥3.5V (for load =300Ω) Frequency characteristic ≤3dB Attenuation range 0dB, 20dB, 40dB 3 steps Attenuation error ≤1.5dB The sine wave output power level ≥5W (for load=4Ω) The square wave output level ≥3Vpp (for load=1kΩ) The triangular wave output level ≥2Vpp (for load=10kΩ) Operating conditions Ambient temperature 0 to 40 Relative humidity 20% to 90%(at 40) Power supply AC 240V 50/60Hz Overall dimensions 220 mm×144mm×120mm Weight approx 2.5kg