The Extech SL250W is a compact Sound Meter with Bluetooth® connectivity, which allows building and maintenance professionals to view and share sound level data directly from a mobile device using the free ExView® app. With the capability to capture data, display trends, set visual and audio alarms, and send reports, users can gain deeper insights on workplace comfort and public health.

Features

Measures sound level from 30 to 130 dB with ‘A’ weighted frequency for human hearing
View data on both large LCD display and from iOS® or Android™ mobile devices using the ExView app via Bluetooth
Record max/min readings
Freeze display with ‘data hold’
Bright backlit LCD display
Auto Power Off feature saves battery life
Tripod mount fits standard 1/4”-20 mounting screw
Complete with 3 AAA (1.5 V) batteries
Transmit, view, and share data directly from a mobile device via Bluetooth
Connect up to eight compatible Extech Connected 250W Series meters simultaneously
Set up alarm and data recording
Programmable high/low audible alarms
Export data in .csv file format
Create and send PDF reports including JPG photos of the measurement location with a connected smartphone or tablet camera
View app in day mode or dark mode for optimal user experience

Specification

Sound Level: 30 to 130 dB
Max Resolution: 0.1 dB
Basic Accuracy: ±1.5 dB
Weighting: A
Response Time: Fast / Slow
Sampling Rate:
Fast: 125 ms (8 times/s)
Slow: 1000 ms (1 time/s)
Frequency Response: 31.5 Hz to 8 kHz
Connectivity: Bluetooth (Free ExView App)
ExView App Compatibility: iOS 13.0 and higher; Android 9.0 and higher
Transmission Distance: >10 m up to 90 m line of sight
Power: 3 x AAA (1.5 V) battery (included)
Operating Condition: 0 to 40°C (32 to 104°F), ≤80% RH
Dimensions: 6 × 2.1 × 1.1 in ( 153 × 53 × 28 mm)
Weight: 3 oz (84.6 g)

Downloads

SL250W Datasheet

Extech SL250W Sound Meter with Connectivity to ExView® App

Features

Specification

Downloads