Total Measurement range

20 dB(A)〜140 dB(A); 30 dB(C)〜140 dB (C); 35 dB(Z)〜140 dB (Z)

Internal noise

< 13 dB(A) Leq

microphone and preamplifier sensitivity

-28 dB Note: Sensitivity is referenced at 0 dB with 1V/Pa. Unless otherwise specified below, all references to sensitivity pertain to the standard configuration.

Frequency range

10 Hz～20 kHz

Weighting filters

Parallel A, C, Z weighting

Time constants

Parallel F (fast), S (slow), I (impulse), I10

Exchange rates

N/A

Measurement Time

1 second to 99 hours

Total value integration

Peak C Sound Level Measurement Range: 60 dB~143 dB Measurement Indicators: Lxyp, Lxeq,t, Lxeq,T, Lxmax, Lxmin, LxE, Lxpeak, E, SD Note: x represents A, C, Z; y represents F, S, I, I10;

Statistics (Optional)

Statistical Analysis Indicators: Lxyp, Lxeq,T, Lxymax, Lxymin, LxN, LE, SD. Note 1: x represents A, C, Z; y represents F, S, I; N represents 5, 10, 50, 90, 95

1/1 octave (Optional)

N/A

1/3 octave (Optional)

N/A

FFT (Optional)

N/A

Reverberation time (Optional)

N/A

STIPA (Optional)

N/A

Audio recording

- Selectable Sampling Rates: 12 kHz, 24 kHz, 48 kHz; - 16-bit or 24-bit precision, WAV or MP3 format; - Recording time is unlimited until memory is full (when recording continuously, the recording files are split into one file per hour); - Recordings can be played back on the device or on a PC;

Voice coments

N/A