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Amprobe SM-20A Sound Meter
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تفاصيل المنتج
Brand:
Amprobe
Measuring range :
(Auto Range) A-Weighting: 30 dB to 130 dB, C-Weighting: 35 dB to 130 dB
Frequence range :
31.5 Hz to 8 kHz
Accuracy:
±1.4 dB
Resolution:
0.1 dB, display update: 0.5 sec.
Time weighting :
Fast (125 mS), Slow (1 sec)
Power:
9V NEDA 1604, IEC 6F22, JIS 006P battery
Amprobe SM-20A
The Amprobe SM-20A Sound Meter is a sophisticated instrument designed for precise sound level measurement across various applications, including industrial environments, safety compliance, and acoustic analysis. This device is particularly valuable for safety engineers, health officials, and quality control professionals.
Key Features
- Measurement Range: The SM-20A operates within a sound level range of 30 dB to 130 dB for A-weighting and 35 dB to 130 dB for C-weighting. This versatility allows it to measure both general noise levels and specific acoustic material control.
- Weighting Filters: It employs two weighting filters—A and C—required by IEC651 and ANSI S1.4 Type 2 standards. The A-weighting is typically used for general environmental noise, while the C-weighting is suitable for measuring peak levels in louder environments.
- Data Logging: The device features an internal memory capable of storing up to 14,000 records, with recording intervals adjustable from 1 second to 8 hours. This functionality is essential for long-term monitoring and analysis.
- Response Settings: Users can select between Slow (1 second) and Fast (125 milliseconds) response times, allowing for detailed examination of peak and average noise levels.
- PC Interface: The SM-20A includes a PC interface that facilitates data download and analysis, enhancing the usability of the recorded data.
- Display and Controls: It features a clear LCD display with 0.1 dB resolution, making it easy to read measurements. The data hold function allows users to freeze readings on the display for easier reference.
Applications
The Amprobe SM-20A Sound Meter is widely utilized in various fields:
- Industrial Noise Monitoring: Ensures compliance with occupational safety regulations by measuring exposure levels in workplaces.
- Environmental Assessments: Used in studies related to noise pollution in urban areas or near sensitive ecological zones.
- Event Management: Monitors sound levels at concerts or public events to ensure they remain within acceptable limits.
In summary, the Amprobe SM-20A Sound Meter stands out as a reliable tool for accurate sound level measurement. Its advanced features, including extensive data logging capabilities and a user-friendly interface, make it an essential instrument for professionals tasked with monitoring and managing sound levels in diverse environments.
Amprobe SM-20A Specifications
| Features | SM-10 |
| Microphone | 1/2 Electret condenser microphone |
| Standard applied | IEC 651 Type 2, ANSI 1.4 Type 2 |
| Dynamic range | 50 dB |
| Time weighting | FAST (125 mS), SLOW (1 sec) |
| Frequency range | 31.5 Hz → 8 kHz |
| Measuring level range | (Auto Range) A-Weighting: 30 dB → 130 dB |
| C-Weighting: 35 dB → 130 dB | |
| Data | Min/max |
| Internal memory | 14,000 records |
| Display | 4 digits LCD |
| Microphone | 1/2 inch electret condenser microphone |
| Power supply | 9V NEDA 1604, IEC 6F22, JIS 006P battery |
| Auto power off | Approx. 5 min |
| Environment | Indoor operation, < 2000 m |
| Standard applied | IEC 651 Type 2, ANSI 1.4 Type 2 |
| Dynamic range | 50 dB |
| Resolution | 0.1 dB, Display update: 0.5 sec. |
| Time weighting | FAST(125mS), SLOW(1 sec) |
| Frequency range | 31.5 Hz to 8 kHz |
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Amprobe SM-20A Sound Meter
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