ST-130 Noise Dosimeter
Overview
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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
ST-130 measures noise level with A, C, and Z frequency weightings, and F, S, and I time weightings.
ST-130 offers a lightweight, easy-to-wear design ideal for personal noise exposure tracking over an 8-hour shift.
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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
What noise standards are supported by the ST-130?

How do I start measuring noise dose with the ST-130?

What are the supported weighting filters in ST-130?

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 |
|---|
| ▪ 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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