Professional digital sound level meter with 30-130dB range, polarized capacitance microphone, backlight function, and precise ±1.5dB accuracy for industrial and environmental noise monitoring.
The HETSL031 Digital Sound Level Meter is a professional-grade instrument designed for accurate sound pressure measurement and acoustic analysis. This portable device features a measuring range of 30-130dB with a dynamic range of 50dB, making it ideal for industrial noise monitoring, workplace safety compliance, and environmental sound assessment. The meter is equipped with a polarized capacitance microphone that delivers precise sound pressure accuracy of ±1.5dB at both 94dB@1KHz and 94dB@8KHz, ensuring reliable measurements across various frequency ranges.
This sophisticated sound level meter incorporates advanced features including a backlight function for convenient operation in low-light environments and a lower battery indication function to alert users when power is running low. The device operates with 3 pieces of LR03 AAA batteries, providing extended operational time for field work and continuous monitoring. The frequency response spans from 30Hz to 8KHz, covering the critical audio spectrum for most industrial and environmental applications.
The HETSL031 is professionally packaged in double blister packaging to ensure product protection during transit and storage. Whether you're a professional acoustic engineer, workplace safety officer, or environmental consultant, this digital sound level meter provides the precision and reliability needed for accurate sound measurement and analysis in various demanding applications.
Key Features
- Measuring range 30-130dB with 50dB dynamic range for comprehensive sound assessment
- Polarized capacitance microphone with ±1.5dB sound pressure accuracy at 94dB@1KHz and 94dB@8KHz
- Frequency response 30Hz-8KHz covering critical audio spectrum for industrial applications
- Backlight function for convenient operation in low-light and dark environments
- Lower battery indication function with 3pcs LR03 AAA batteries included
Technical Specifications
| Specification |
Value |
| Model Number | HETSL031 |
| Measuring Range | 30-130dB |
| Dynamic Range | 50dB |
| Sound Pressure Accuracy | ±1.5dB (94dB@1KHz), ±1.5dB (94dB@8KHz) |
| Frequency Response | 30Hz-8KHz |
| Microphone Type | Polarized capacitance microphone |
| Power Source | 3pcs LR03 AAA batteries |
| Backlight Function | Yes |
| Low Battery Indicator | Yes |
| Packaging | Double blister packaging |
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