USB Charging 30 To 130 dB AC Weighted Digital Sound Meter

Meet the USB Charging 30-130 dB AC Weighted Digital Sound Meter by TIANSIQI. This compact, handheld instrument delivers fast, accurate noise measurements from 30 dB up to 130 dB with A/C weighting, helping you monitor environments, protect hearing, and stay compliant with noise guidelines. The USB charging version (ZL82B) powers from a USB source, while the battery version (ZL82A) runs on 3 AAA batteries (batteries not included). With selectable FAST (125 ms) or SLOW (1 s) sampling and an accuracy of ±1.5 dB, this meter provides reliable readings in real-world conditions. Origin: Mainland China. This non-smart device focuses on straightforward, dependable measurement you can trust.

Benefits & Tips

• Fast, reliable readings: Choose FAST for quick checks (125 ms) or SLOW for longer averages (1 s) to suit your environment.
• Flexible power options: USB charging (ZL82B) for convenient power on the go, or use the battery version (ZL82A) with 3 AAA batteries (not included).
• A/C weighting for real-world accuracy: Captures the sound profile that matters for workplaces, studios, and public spaces.

Product specifications

• Measurement Range: 30–130 dB
• Sampling: FAST 125 ms; SLOW 1 s
• Noise accuracy: ±1.5 dB
• Frequency response: 30 Hz – 8 kHz
• Frequency weighting: A/C weighting
• Model: ZL82A (Battery Version) or ZL82B (USB Charging)
• Power: USB charging (ZL82B); Battery version requires 3 × AAA (not included)
• Battery Included: No
• Origin: Mainland China
• Brand: TIANSIQI
• Is Smart Device: No

Package includes:

• Sound level meter unit (USB charging version ZL82B or battery version ZL82A)

Warnings / Reminders

• The battery version uses 3 × AAA batteries (not included).
• This is a non-smart device intended for straightforward, reliable sound level measurements.

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