---
product_id: 733733832
title: "Extech"
brand: "extech"
price: "$8.74"
currency: USD
in_stock: false
url: https://www.desertcart.us/products/733733832-extech
store_origin: US
region: United States of America
---

# 0.1dB resolution 40-130dB range Fast analog bar graph Extech

**Brand:** extech
**Price:** $8.74
**Availability:** ❌ Out of Stock

## Summary

> 🔊 Hear every detail, own every moment.

## Quick Answers

- **What is this?** Extech by extech
- **How much does it cost?** $8.74 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/733733832-extech)

## 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

- • **Never miss a peak:** Max/min hold function captures critical sound events effortlessly.
- • **Smart power management:** Auto power-off extends battery life so you stay focused on the job, not charging.
- • **Ready for any environment:** Includes windscreen and runs on included alkaline batteries for immediate use.
- • **Visualize noise instantly:** Fast-response analog bar graph complements the clear digital display for real-time monitoring.
- • **Precision that speaks volumes:** Measures sound levels from 40 to 130dB with 0.1dB resolution for pinpoint accuracy.

## Overview

The Extech 407730 sound meter delivers precise noise level measurements from 40 to 130dB with a sharp 0.1dB resolution. Featuring a fast analog bar graph and digital display, it records max/min values and conserves power with auto shutoff. Compact and battery-powered, it’s ideal for professional noise monitoring in workplaces and audio systems.

## Description

経済的なメーターは、職場の機械モニタリングやオーディオ/アラームシステムのチェックなど、さまざまな職場の状況で音のデシベルレベルを測定します。 メーターは40~130dBの調整可能な測定範囲を備え、A/Cの重み付けと高速/低速応答を選択できます。 デジタル表示には0.1dBの解像度とアナログバーグラフが読みやすくなっています。 MAXホールド機能は、最大dBレベルに達し、自動電源オフにより時間の経過とともにバッテリー寿命を節約します。 ユーザーフレンドリーなアナログ棒グラフのデジタル表示が特徴です。

## Features

- Measures 40-130dB with digital display
- Precision is 2dB and resolution is 0.1dB
- Fast response analog bar graph
- Records the max/minimum value over time
- Auto power off and maximum hold function

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | EXTECH |
| Model Number | 407730 |
| Product Dimensions | 22.86 x 4.32 x 5.59 cm; 230 g |
| Color | white |
| Name List for Name Plates | Single Range |
| Power Source | Battery Powered |
| Voltage | 9 Volts |
| Quantity | 1 |
| Included Components | マイクウィンドスクリーン、単4電池4本。 |
| Are Batteries Included | Yes |
| Battery Type | Alkaline |
| Item Weight | 230 g |

## Product Details

- **Brand:** EXTECH
- **Style:** Single Range
- **Color:** white
- **Voltage:** 9 Volts
- **Amperage:** 300 Milliamps

## Images

![Extech - Image 1](https://m.media-amazon.com/images/I/717vH6r1VdL.jpg)
![Extech - Image 2](https://m.media-amazon.com/images/I/81v-hXq6y0L.jpg)
![Extech - Image 3](https://m.media-amazon.com/images/I/614WslPeFoL.jpg)
![Extech - Image 4](https://m.media-amazon.com/images/I/71vx+UjplkL.jpg)
![Extech - Image 5](https://m.media-amazon.com/images/I/61UoKClWgiL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: What is frequency range for this device?**
A: The SL510 has a frequency range from 31.5Hz to 8KHz.

**Q: does make 20hz to 20khz readings?**
A: Thank you so much for your interest in our products. The 407032 model has a measurement bandwidth between 31.5Hz to 8KHz. Please check all the specifications of this meter here: http://www.extech.com/products/resources/407732_UM-en.pdf

**Q: what's in the box?**
A: Hello Checker,The 407760 comes with software, tripod, USB extension cable, windscreen, and 3.6-Volt Lithium battery.Best Regards

**Q: The model presented says 'Extech 407730' but in the description and image apears Extech 407732, which you are sending?**
A: I am not sure where 407730 is appearing besides the comparison table between the different models. For simplicity, this page is for the Extech 407732. You would get the item in the pictures.

## Frequently Bought Together

- Extech 407730 Digital Sound Level Meter 40-130dB
- Extech LT300 Light Meter

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**Shop now:** [https://www.desertcart.us/products/733733832-extech](https://www.desertcart.us/products/733733832-extech)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-05*