Digital 4-in-1 Sound Level Meter — Temperature & Humidity Monitor, 30~130db Decibel Meter, ±1.5dB Accuracy

Portable 4-in-1 measuring instrument for noise, temperature and humidity with a fast response. Provides reliable decibel readings and environmental monitoring in one device. Key specifications: Accuracy: ±1.5dB (standard sound source 94dB@1KHz). Measuring range: 30-130dB. Frequency response range: 31.5Hz-8.5KHz. Frequency Weighting: A Weighting (Ambient noise). Response: Fast.