Sound Level Meter Class 2
certificated by the China CPA (Certification of Pattern Approval) and CMC (China Metrology Certification).
BSWA 309 is Class 2. Both instruments have certificated by the China CPA (Certification of Pattern Approval) and CMC (China Metrology Certification).
Product Description
● Basic noise measurement
● Environmental noise assessment
● Product quality check
● Evaluation of noise reduction engineering
Specifications
Standard
IEC 61672-1:2013, ANSI S1.4-1983, ANSI S1.43-1997
Octave1
Real-time 1/1 Octave (Option): 20 Hz8 kHz
Real-time 1/3 Octave (Option): 20 Hz12.5 kHz
Supplied Microphone
MPA309T: 1/2” prepolarized measurement microphone, Class 2. Sensitivity: 40 mV/Pa.
Frequency Range: 20 Hz12.5 kHz.
Mic Interface
TNC connecter with ICCP power supply (4 mA)
Detector / Filter
Fully float-point digital signal processing (digital detector and filter）
Integral Period
Infinite or 1s24h user define integral period. Repeat time: Infinite or 19999
Logger Step
0.1s, 0.2s, 0.5s, 1s24h (Optional function)
Measurement Functions
LXY(SPL), LXeq, LXeq1s, LXIeq, LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LDay, LEvening, LNight, Ldn, Lden, LXYN. Where X is the frequency weighting: A, B, C, Z; Y is time weighting: F, S, I; N is the statistical percentage: 1~99.3 profile and 14 custom define measurement are calculate in parallel with different frequency/time weighting.
(All above are optional functions, except for LXY(SPL), LXeq, LXYmax, LXYmin, LXPeak)
24h Measurement
Automatic measurement based on user define date/time and save the history data
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