The Scarlet ST-25D Class 2 Sound Analyzer is a professional sound measurement instrument designed for occupational and environmental noise analysis. Complying with IEC 61672 Class 2 standards, it provides accurate sound level measurements, advanced statistical analysis, and optional 1/1 octave band analysis for identifying noise sources. Built-in data logging, USB connectivity, and real-time monitoring software make it ideal for industrial, environmental, construction, and workplace noise assessments.
Standards | IEC 61672 Class 2, IEC 61260 Class 2, IEC 61252:2002 |
Microphone | 1/2 in prepolarized condenser |
Frequency Range | 20 Hz–12.5 kHz |
Measurement Range | 28–133 dB (145 dB Peak) |
Self Noise | <23 dB(A), 28 dB(C), 35 dB(Z) |
Frequency Weighting | A, C, Z, B, D |
Time Weighting | Fast, Slow, Impulse, Peak |
Display | 240 × 320 color LCD |
Resolution | 0.1 dB |
Sampling Frequency | 32 kHz |
Data Storage | 32 MB Flash RAM, optional 32 GB SD card |
Output Interface | USB, RS232, AC, DC |
Power Supply | 4 × LR6 batteries or 5 V external power |
Battery Life | Up to 30 hours |
Dimensions | 240 × 80 × 30 mm |
Weight | 0.35 kg |
Operating Temperature | -10°C to +50°C |
Accessories | AC adaptor, USB cable, windscreen, hand strap, carrying case, USB disk, user manual |
The Scarlet ST-25D Class 2 Sound Analyzer is a professional sound measurement instrument designed for occupational and environmental noise analysis. Complying with IEC 61672 Class 2 standards, it provides accurate sound level measurements, advanced statistical analysis, and optional 1/1 octave band analysis for identifying noise sources. Built-in data logging, USB connectivity, and real-time monitoring software make it ideal for industrial, environmental, construction, and workplace noise assessments.
Standards | IEC 61672 Class 2, IEC 61260 Class 2, IEC 61252:2002 |
Microphone | 1/2 in prepolarized condenser |
Frequency Range | 20 Hz–12.5 kHz |
Measurement Range | 28–133 dB (145 dB Peak) |
Self Noise | <23 dB(A), 28 dB(C), 35 dB(Z) |
Frequency Weighting | A, C, Z, B, D |
Time Weighting | Fast, Slow, Impulse, Peak |
Display | 240 × 320 color LCD |
Resolution | 0.1 dB |
Sampling Frequency | 32 kHz |
Data Storage | 32 MB Flash RAM, optional 32 GB SD card |
Output Interface | USB, RS232, AC, DC |
Power Supply | 4 × LR6 batteries or 5 V external power |
Battery Life | Up to 30 hours |
Dimensions | 240 × 80 × 30 mm |
Weight | 0.35 kg |
Operating Temperature | -10°C to +50°C |
Accessories | AC adaptor, USB cable, windscreen, hand strap, carrying case, USB disk, user manual |
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