Wohler SP 22 Sound level meter
Wohler SP 22 Sound level meter
Range: 31.5Hz to 8kHz
Accuracy: ±1.5 dB
Measurement level A filter: 30 dB to 130 dB
Measurement level B filter: 35 dB to 130 dB
Measurement level range: 6 levels in 10 dB steps; 30-80dB, 40-90dB, 50-100dB, 60-110dB, 70-120dB, 80-130dB
Automatic range: 30-130dB
Time weighting: Fast (125ms), slow (1s)