Svantek SV 971A Sound Level Meter (Class 1; 17–140 dBA; 5 Hz–20 kHz)

Applications: Sound measurements; Environmental noise; Occupational noise; Building acoustics.

Hardware Features:

Number of channels: 1.

Self-vibration detection: Yes.

Auto-calibration: Yes.

Bluetooth: Yes.

Communication Interfaces: USB, Bluetooth.

Display: Yes.

Keyboard: 8 keys.

Memory: uSD card 32 GB.

Battery type: 4 x AAA.

Operating time: 16-24 hours.

Operating temperature range: -10 °C to 50 °C (14 °F to 122 °F).

Humidity range: Up to 95 % RH, non-condensed.

Weight: 225 grams.

Size: 232.5 x 56 x 20 mm.

Sound Measurements Features:

Standards: Class 1: IEC 61672-1:2013; Class 1: IEC 61260-1:2014.

Type approvals: Pattern approval to IEC 61672.

Microphone type: ACO 7152.

Preamplifier type: SV 18A.

Linear operating range to IEC 61672: 24 dBA Leq ÷ 140 dBA Peak.

Total measurement range: 17 dBA Leq ÷ 140 dBA Peak.

Internal noise: < 17 dBA Leq.

Frequency range: 5 Hz ÷ 20 kHz.

Weighting filters: Frequency weighting: A, B, C, Z, LF.

Time constants: Time weighting: Slow, Fast, Impulse.

Exchange rates: 2, 3, 4, 5, 6.

Criterion levels: Adjustable.

Profiles per channel: 3.

Min logging step: 100 ms / 2 ms in RT60.

Statistics: Ln (L1-L99).

Statistics in octaves or third octaves: Yes.

Audio recording: Option.

Voice comments: Option.

1/1 octave: Option.

1/3 octave: Option.

RT60: Option.

STIPA: Option.

Datasheet