---
product_id: 42998863
title: "Extech SL130W Sound Level Alert with Alarm | Continuous sound monitoring, settable HI/LO limits 30-130 dB, relay output, 180-deg mic, ANSI Type 2, LED alert"
brand: "extech"
price: "$690.08"
currency: USD
in_stock: true
category: "Extech"
url: https://www.desertcart.us/products/42998863-extech-sl130w-sound-level-alert-with-alarm-continuous-sound-monitoring
store_origin: US
region: United States of America
---

# LED visible from 30m 180° rotatable mic 130dB max alert range Extech SL130W Sound Level Alert with Alarm | Continuous sound monitoring, settable HI/LO limits 30-130 dB, relay output, 180-deg mic, ANSI Type 2, LED alert

**Brand:** extech
**Price:** $690.08
**Availability:** ✅ In Stock

## Summary

> 🔔 Stay ahead of noise chaos with SL130W – your silent guardian in sound!

## Quick Answers

- **What is this?** Extech SL130W Sound Level Alert with Alarm | Continuous sound monitoring, settable HI/LO limits 30-130 dB, relay output, 180-deg mic, ANSI Type 2, LED alert by extech
- **How much does it cost?** $690.08 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/42998863-extech-sl130w-sound-level-alert-with-alarm-continuous-sound-monitoring)

## Best For

- extech enthusiasts

## Why This Product

- Trusted extech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Integration:** Output drives external relay modules for automated noise management systems
- • **Instant Visual Alerts:** Bright red/green LEDs flash visibly up to 100ft to catch your attention immediately
- • **Precision Sound Monitoring:** User-settable limits from 30 to 130dB for tailored noise control
- • **Versatile Mounting Options:** Wall, desk, or tripod mount with optional 15ft extension cable for remote monitoring
- • **360° Placement Flexibility:** Microphone rotates 180° ensuring perfect positioning in any environment

## Overview

The Extech SL130W Sound Level Alert is a professional-grade noise monitoring device featuring user-programmable high/low sound limits (30-130dB), a 180° rotatable microphone for optimal placement, and bright LEDs visible from 30 meters. Designed to meet ANSI type 2 and EN 60651 standards, it’s perfect for industrial, healthcare, educational, and auditorium settings, ensuring you never miss critical noise level alerts. Includes versatile mounting options and outputs for external relay control, backed by a 2-year warranty.

## Description

The SL130W is a sound level alert with alarm. Continuously monitor sound levels throughout the day using the Extech SL130W sound level alert. Bright LEDs (red flashing or Green) alert user when sound level is too high or too low - LEDs can be read from 30M (100ft). wall, desk or tripod mount with optional 15ft (5M) microphone extension cable for remote monitoring. User programmable high or low limit (30 to 130dB) with output to drive external Relay module. Ideal for industrial, hospital, auditoriums, schools and other areas where there is a need for being alerted when sound level reaches set points. Complete with 100-240V AC 50/60Hz adaptor, microphone windscreen, and built-in wall, desk and tripod mount (optional tripod TR100).

## Features

- User settable high or low Limit (30 to 130dB) indication with output to drive external Relay Module
- Microphone rotates 180° for desired placement
- Meets ANSI type 2 and EN 60651 accuracy specs compliant to OSHA
- When the sound level exceeds the hi set point the red LEDs Flash and can be seen from 30M 100ft

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0711ZCJYG |
| Audible Noise | 130 Decibels |
| Battery Description | Alkaline |
| Best Sellers Rank | #461,146 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #192 in Sound & Noise Meters |
| Brand | Extech |
| Built-In Media | 100-240V AC 50/60Hz adaptor, microphone windscreen, and built-in wall, desk and tripod mount (optional Tripod TR100) |
| Color | White |
| Control Method | Remote |
| Customer Reviews | 3.9 3.9 out of 5 stars (6) |
| Global Trade Identification Number | 00793950471357 |
| Item Dimensions L x W x H | 7.1"L x 1.25"W x 8.75"H |
| Item Type Name | Sound Level Alert with Alarm |
| Item Weight | 6.4 ounces |
| Manufacturer | Extech |
| Manufacturer Warranty Description | 2 years |
| Maximum Range | 30 Meters |
| Mfr Part Number | SL130W |
| Model Number | SL130W |
| Mounting Type | Wall Mount |
| Number of Batteries | 1 Unknown batteries required. |
| Power Source | Battery Powered |
| Sensor Technology | Acoustic Sensor |
| UPC | 793950471357 |
| Unit Count | 1.0 Count |
| Voltage | 240 Volts |

## Product Details

- **Battery Description:** Alkaline
- **Brand:** Extech
- **Color:** White
- **Power Source:** Battery Powered
- **Product Dimensions:** 7.1"L x 1.25"W x 8.75"H

## Images

![Extech SL130W Sound Level Alert with Alarm | Continuous sound monitoring, settable HI/LO limits 30-130 dB, relay output, 180-deg mic, ANSI Type 2, LED alert - Image 1](https://m.media-amazon.com/images/I/51LiL5yMy0L.jpg)

## Frequently Bought Together

- Extech SL130W Sound Level Alert with Alarm
- Extech 407766 Sound Calibrator 94/114dB for 0.5" and 1" Microphones

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/42998863-extech-sl130w-sound-level-alert-with-alarm-continuous-sound-monitoring](https://www.desertcart.us/products/42998863-extech-sl130w-sound-level-alert-with-alarm-continuous-sound-monitoring)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-24*