Digital Sound Level Meter Decibel Tester 30dBA-130dBA ±1.5dB (0.1 dB) — AC/DC Output, Max Hold, A/C Weighting

Accurate, Wide-Range Readings This sound level meter delivers precise measurements with ±1.5dB accuracy and 0.1 dB resolution across a broad range of 30dBA-130dBA. It’s ideal for checking noise from running machines, music, neighbors or for speech therapy monitoring. Smart Power & Status Alerts Built-in auto power off reduces battery waste, while a low power indicator notifies you when the battery needs replacing. On startup the instrument performs a self-check that lasts 10 seconds to ensure proper operation. Range Control, Max Hold & Overload Warning The Max hold function freezes the highest recorded level for review. An overrange measurement warning sign helps you choose the proper measurement range, guiding you to select (30-80dB;50-100dB;60-110dB;80-130dB) based on the actual reading. Output for Further Analysis Side-mounted AC/DC output interfaces allow connection to external equipment such as an X-Y axis recorder or a frequency analyzer for more detailed statistical or spectral analysis. Weighting & Time Response Options Includes frequency weighting C for mechanical noise assessment and A for how sound is perceived by the human ear. Two time weightings — "Fast" for real-time readings and "Slow" for averaged measurements — let you adapt to different test conditions.