The SL250W is a compact Sound Meter with Bluetooth® connectivity, which allows building and maintenance professionals to view and share sound level data (30 to 130 dB) directly from a mobile device using the free ExView app. With the capability to capture data, display trends, set visual and audio alarms, and create and send reports, users can gain deeper insights workplace comfort and public health. The SL250W is part of the Extech 250W Connected Series of products that can improve your ability to evaluate problems and report on them from the field. This allows you to improve the speed and quality of decisions to address critical issues immediately.
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Easy, Flexible Operation
View data on both the large backlit LCD display and from iOS® or Android™ mobile devices using the ExView app via Bluetooth.
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Standalone Capture and Display
Measure sound level from 30 to 130 dB with ‘A’ weighted frequency for human hearing, record max/min readings, and freeze the display with ‘data hold’ feature.
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Portable Collection, Analysis, and Reporting
Export .CSV data; create and send PDF reports including photos of the measurement location taken with a connected smartphone or tablet camera.
Specifications
General Specifications
- Frequency Bandwidth
- 31.5 Hz to 8 kHz
- Response Time
- Fast/Slow
- Sampling Rate
- Fast: 125 ms (8 times/s); Slow: 1000 ms (1 time/s)
- Sound Range (dB)
- 30 to 130 dB
- Sound Range (dB) Basic Accuracy
- ±1.5 dB
- Sound Range (dB) Max Resolution
- 0.1 bB
- Weighting
- A
- Wireless Connectivity
- Bluetooth® (via ExView iOS/Android mobile app)
- Wireless Transmission Range
- up to 90 m line of sight
Additional Details
- Certifications
- CE, FCC, UKCA
- Dimensions
- 6 × 2.1 × 1.1 in (153 × 53 × 28 mm)
- Operating Conditions
- 32 to 104°F (0 to 40°C),≤80% RH
- Power
- 3 × AAA (1.5V) batteries
- Warranty
- 2 years
- Weight
- 3 oz (84.6 g)
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