1. Measurement Range: With a measurement range of 30~130dB, our Noise meter is the tool for accurately measuring sound levels in various. 2. Max/Min Record: Our Noise meter features a convenient Max/Min record function, allowing you to track and analyze the highest and lowest sound levels recorded. 3. Over/Under Range Indication: The Noise meter is equipped with over and under range indication, providing a clear indication when the sound level exceeds or falls below the measurement range. 4. A & C Weighting: Our Noise meter offers A & C weighting options, allowing you to select the appropriate frequency weighting for your specific measurement needs. 5. Selectable Response Time: With selectable response time options of FAST and SLOW, our Noise meter provides flexibility in capturing sound level variations at different speeds., Manufacturer: BJdfgE