| Model | Year | Frequency Response | Oscillator Signal | Oscillator Frequencies | Device Precision | Measurement Range | Price |
|---|---|---|---|---|---|---|---|
| SH-8000 | unknown | 20Hz~20kHz +-2dB | Warble Tone modulation f=8Hz | 20,25,31.5,40,50,63,80,100:,125,160,200,250,400,500,630,800,1k,1.25k,1.6k,2k,2.5k,3.15k,4k,5k,6.3k,8k,10k,12.5k,16k,20k | +-6% | 35~105dB SPL - 50~90dB: 10dB steps, 5 ranges. | unknown |