SLM-563 Decibel Meter Rechargeable Digital Sound Level Meter 30–130dB High Precision A-Weighted SPL Tester with Data Hold for Home, Office, Industrial, Construction

Digital Sound Level Meter widely used in environmental monitoring, industrial facilities, urban noise control, construction sites, waterways and ships, providing accurate noise data monitoring solutions for various industries. Features: Clear 4-Digit LED Digital Display A-weighted Frequency Measurement Data Hold & Max Peak Hold functions Maximum Value Low Battery Indicator High Accuracy Specification: Frequency Weighting: A Range: 30.0 ~ 130dB Accuracy: ±1.5dB (sound pressure reference, 94@1kHz) Resolution: 0.1dB Display: LED digital tube, 4 digits, max 1999 Sensor: High-sensitivity 1/2" condenser mic Frequency Response: 31.5Hz ~ 8KHz Sampling Rate: 2 times/s Low Voltage Indicator: (below 3.3V) Auto Power Off: 15mins of inactivity (can be canceled manually) Working Environment: -10 ~ 50°C, max 80%RH, indoor altitude<2000m Storage Environment: -10 ~ 50°C, max 70%RH Screen Size: 15 x 21mm Power: 3.7V / 220mAh Lithium-ion Battery Dimension: 133 x 30 x 18mm Weight: Approx. 37g Set Includes: 1 x Sound Level Meter 1 x Windproof Sponge ball 1 x USB Charging Cable Instruction Manual Standard Factory Packaging