... Error: ≤0.1 dB.7Self-generated Noise<18 dB(A), 23 dB(C), 28 dB(Z)8Meas. upper Range140 dB9Peak C ... Ln, Ldn22Real-time spectrum analysisFulfils standards: IEC 61260 Class 1Filter type: Digital band-pass filterMeasuring Parameters: Lfmi, Lfmeq,1s, Lfmeq,T ... HzBandwidth of each line: 93.75 Hz, 46.875 Hz, 23.438 Hz, 11.74 Hz, 5.8594 Hz, 2.9297 ... kPa ~ 108 kPa AWA 6291 Real Time Signal Analyzer Type 1