Plug In Wall Decibel Meter 30-130 dBA Sound Level Meter With Data Hold Max Min And Fast Slow Response 3 In 1 Noise Detector Temperature And Humidity For Classroom Home Library
✔️ 3-in-1 readings: noise 30-130 dBA, temp, humidity; data hold
This wall-plug noise monitor measures ambient sound levels from 30 to 130 dBA and tracks temperature and humidity. It's ideal for classrooms, homes, libraries, and offices, and plugs into standard outlets for constant monitoring.
✅ 30-130 dBA range with ±1.5 dBA accuracy
✅ 2.1-inch color LCD display for clear readings
✅ Temperature -10°C to 50°C (4°F to 122°F), ±1.5°C
✅ Humidity 0%-95% RH, ±5%
✅ Memory for max/min over 24 hours and data hold
✅ Fast/Slow response with a simple one-button action
✅ Plug-in design works on 110V to 220V outlets
💡 What is a wall plug-in decibel meter used for in classrooms and homes? This handy tool helps keep noise at comfortable, safe levels while also giving you temperature and humidity data to track environmental conditions.
- It measures sound with A-weighting so readings reflect human hearing- It shows ambient temperature and humidity alongside noise data
- It records max/min values across a 24 hour window for pattern checks
- It plugs into standard outlets, avoiding battery changes
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