ST-130 Noise Dosimeter
Noise Exposure Measurement Compliant with OSHA & IEC Standards
Overview
Scarlet ST-130 noise dosimeter is the ideal tool for conducting occupational and industrial hygiene noise measurements for employees. ST-130 is designed to meet OSHA, IEC, and ISO standards. Its compact, lightweight, and cable-free design allows it to be comfortably worn on the shoulder, ensuring minimal inconvenience during use.
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Screen
Clear LCD display shows key parameters such as sound pressure levels (SPL) and noise dose percentages, with numerical values displayed up to 999,999.
Microphone
1/2-inch microphone offering precise sound measurements across a wide frequency range of 20 Hz to 8 kHz.
USB Port
USB mini-B type port for connecting the device to PC software, enabling device control and data logging.
ST-130 Key Features
Overview
Noise Measurement
ST-130 measures noise level with A, C, and Z frequency weightings, and F, S, and I time weightings.
Wearable Device
For All-Day Noise Monitoring
ST-130 offers a lightweight, easy-to-wear design ideal for personal noise exposure tracking over an 8-hour shift.
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Ensure that the daily noise exposure of workers is within safe levels with the ST-130.
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PC-Software
PC software is included in the package. With the software, you can control the dosimeter in real-time, capture dose reports, create plots, and download data in CSV format.
Frequently Asked Questions
Find quick answers below, or visit our FAQ page for more.
What noise standards are supported by the ST-130?
OSHA, MSHA, DOD, ACGIH, ISO85, ISO90, and user-defined standards.
How do I start measuring noise dose with the ST-130?
Turn on the device in NDM mode, press START to begin, and STOP to finish.
What are the supported weighting filters in ST-130?
A, C, Z frequency and Fast, Slow, Impulse time weightings.
Specifications
- Performance
- Device
- Features
- Package List
- FAQ
- Download
| Item | Description |
|---|---|
| Measurement items (Noise dosimeter) | Dose%, Lxyp, Lxmax, Lxmin, Lxeq, SEL (LAE), PeakMAX, LAVG, TWA, LEP, LN% |
| Measurement items (Sound level meter) | Lxyp, Lxmax, Lxmin, Lxeq, SEL (LAE), PeakMAX |
| Display range | 30 to 90 dB (L); 50 to 110 dB (M); 70 to 140 dB (H) |
| Primary RMS range @ 1 kHz | 41 to 86 dB (L), 55 to 106 dB (M), 75 to 125 dB (H) |
| Max Cpeak measurement | 90 to 143 dB / 60 dB |
| Accuracy | ±1.4 dB @ 94 dB / 1 kHz |
| Time weighting | Fast / Slow / Impulse |
| Frequency weighting | A / C / Z |
| Frequency range | 20 Hz to 8 kHz |
| Item | Description |
|---|---|
| Microphone | 1/2” pre-polarized condenser microphone; Built-in preamplifier: 1V/Pa@250Hz; Frequency range: 20 Hz to 12.5 kHz; Thermal noise: < 25 dB(A) |
| Display | Single LCD, MAX reading 999999 |
| Display refresh rate | 1 Hz |
| Internal memory | Data logger: 10,000 NDM surveys; 1,000,000 SLM readings |
| Starting time | Less than 10 sec |
| Battery life | 24 hours (9V Alkaline battery x1) |
| Dimensions | 107 (L) x 65 (W) x 33 (H) mm |
| Features |
|---|
| ▪ Evaluation of environmental noise and logging |
| ▪ Measurements of occupational noise at workplaces |
| ▪ Compliance with noise at Work Regulations and occupational noise exposure guidelines |
| ▪ Monitoring and recording of long term noise exposure |
| ▪ Noise exposure measurements in hazardous environments such as oil fields, petrochemical plants and underground mines |
| ▪ Measurement of noise exposure in the entertainment and music industries |
| Package List |
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| ▪ Noise dosimeter |
| ▪ USB-C cable |
| ▪ Microphone cable |
| ▪ User guide |
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The ST-130 supports A, C, and Z frequency weightings, and Fast, Slow, or Impulse time weightings for accurate noise measurement.
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Yes, sampling intervals can be set from 1 second to nearly 24 hours in the ‘Sampling Rate & Auto Record’ setup menu.
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The screen will show ‘FULL.’ Connect to a PC, download the data, then erase it using the software to free up space.
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The ST-130 supports OSHA, MSHA, DOD, ACGIH, ISO85, ISO90, and user-defined standards for compliance with occupational safety regulations.
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Turn on the device and make sure it’s in NDM (Noise Dose Meter) mode. Press the START/PAUSE button to begin measurement. Press STOP when you’re done.
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It can log up to 1,000,000 readings in SLM mode, and all readings can be saved, reviewed, and downloaded for analysis.
ST-12D Class 1 Sound Analyzer
ST-12D is professional Class 1 sound level meter with measurement range from 25 to 140 dB. It delivers comprehensive noise measurements, including Leq, Lpeak, Lmax, Ln, L10, DOSE, and more. For in-depth frequency analysis, the ST-12D also offers optional 1/1 and 1/3 octave band measurements, making it the perfect tool for detailed acoustic monitoring.
Where does Scarlet Sound Level Meter Apply
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