Professional Digital Sound Level Meter 30~130dB — Handheld Sonometer Noise Tester with Communication

This handheld digital sound level meter provides professional-grade noise measurement across a 30~130dB range. Designed for quick checks and field use, it supports both A/C weighting and offers fast/slow integration modes, plus Max/Min value capture and communication capability for data transfer. Key specifications: Measure range: 30~130dB FAST Sampling rate FAST:125ms SLOW Sampling rate SLOW:1000ms Noise accuracy: ±1.5dB Reference sound pressure standard: 94dB/1KHz Frequency response: 31.5Hz~8KHz Resolution ratio: 0.1dB Sensor type: 1/2 inch capacitive microphone Automatic shutdown: About 10 minutes Power supply: 3x1.5V AAA(not include battery) Working current: ~18mA Working temperature: 0-40°C Working humidity: 80%RH Storage temperature: -20~60 Storage humidity: 80%RH Size: 195x73x34mm Package contents: 1 * Noise Meter 1 * User manual