Extech SL250W Sound Meter
The Extech SL250W Sound Meter is a compact, portable solution for monitoring noise levels across a wide range of applications. Designed with precision in mind, this device delivers sound measurements from 30 to 130 dB using an A-weighted frequency filter for human hearing. The unit’s fast response and clear LCD display make it ideal for both quick checks and detailed logging. It can be used on-site independently or wirelessly connected for remote monitoring.
Wireless Connectivity and Mobile Integration
Thanks to its built-in Bluetooth, the Extech SL250W connects seamlessly to the ExView app on iOS and Android devices. This allows real-time data sharing, logging, and visual trend analysis, all from your smartphone or tablet. Users can freeze the display, view maximum and minimum levels, and export results in CSV format. It also supports JPG photo tagging and PDF report creation using the mobile camera.
Flexible Measurement and Logging
For added practicality, the Extech SL250W includes a tripod mount, making it ideal for continuous readings in industrial or environmental settings. The device also features programmable alarms with both visual and audible alerts. Day and night modes improve readability in various lighting conditions. It operates on standard AAA batteries, making it easy to use on the go.
In short, the Extech SL250W is more than just a sound meter. It provides mobile-connected insights, reliable measurements, and detailed documentation tools for professionals who require accurate and efficient noise level monitoring.
Key Features
- Measures sound from 30 to 130 dB for workplace or environmental use
- Uses A-weighted frequency response to match human hearing sensitivity
- Supports Bluetooth connection via ExView app for remote viewing and sharing
- Displays max and min levels with freeze function for data hold
- Programmable high and low audio alarms to suit specific thresholds
- Bright backlit LCD screen for easy visibility in low light
- Tripod mount compatible with standard ¼”-20 thread
- Records at fast (125 ms) or slow (1000 ms) sampling intervals
- View in light or dark mode for improved user experience
- Powers down automatically to conserve battery life
