Extech SL250W

Sound Meter with Connectivity to ExView® App

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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.

View data on both the large backlit LCD display and from iOS® or Android™ mobile devices using the ExView app via Bluetooth.
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.
Export .CSV data; create and send PDF reports including photos of the measurement location taken with a connected smartphone or tablet camera.

Specifications

General
Backlight LCD
Battery
Frequency Bandwidth 31.5 Hz to 8 kHz
Operating Condition
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)

Resources & Support

Datasheet

Extech SL250W Datasheet

Quick Start Guide

Extech SL250W Quick Start Guide

User Manual

Extech SL250W User Manual GB

User Manual

Extech ExView Mobile App User Manual

User Manual

Extech SL250W User Manual

User Manual

Extech ExView Mobile App User Manual GB

Certification

Extech SL250W Declaration of Conformity

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.