---
product_id: 288883979
title: "Extech 407750 Sound Level Meter with Background Sound Absorber"
brand: "extech"
price: "R15965"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/288883979-extech-407750-sound-level-meter-with-background-sound-absorber
store_origin: ZA
region: South Africa
---

# ±1.5 dB ANSI/IEC accuracy RS232 PC interface 30-130 dB range Extech 407750 Sound Level Meter with Background Sound Absorber

**Brand:** extech
**Price:** R15965
**Availability:** ✅ In Stock

## Summary

> 🔊 Measure with confidence, silence the noise FOMO!

## Quick Answers

- **What is this?** Extech 407750 Sound Level Meter with Background Sound Absorber by extech
- **How much does it cost?** R15965 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/288883979-extech-407750-sound-level-meter-with-background-sound-absorber)

## 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

- • **Wide Dynamic Range:** Captures sound levels from whisper-quiet 30 dB to loud 130 dB environments.
- • **Data-Driven Insights:** Min/Max hold and PC connectivity empower detailed noise analysis and reporting.
- • **Versatile Response Modes:** Switch between Slow or Fast response and A/C weighting for tailored readings.
- • **Background Noise Absorber:** Filters ambient machine noise for crystal-clear, focused measurements.
- • **Precision Meets Industry Standards:** Certified ANSI & IEC Type 2 accuracy ensures reliable noise assessments.

## Overview

The Extech 407750 Sound Level Meter is a professional-grade device designed for precise noise measurement in workplaces and public spaces. Featuring a 30-130 dB range with ±1.5 dB accuracy compliant with ANSI and IEC Type 2 standards, it includes a built-in background noise absorber to isolate target sounds. Its versatile response settings and PC interface enable comprehensive data capture and analysis, making it an essential tool for noise surveys, compliance, and sound system installations.

## Description

View largerSound Level Meter with PC Interface and Background Noise FilterSound Level Meter meets ANSI and IEC 651 Type 2 standards. Ideal for noise surveys in the workplace, installing fire alarms and speaker systems, and enforcing noise ordinances. Measures from 30 to 130 dB in two ranges and has an accuracy of ±1.5 dB. The built-in background noise absorber for machine noise measurements filters ambient noise for more accurate readings. Data hold and Min/Max functions. Backlit display allows use in dimly lit areas. The meter also has an RS232 interface for capturing data directly to your PC using optional Windows compatible software (407752). Complete with microphone windscreen, 9-volt battery, carrying case, and user manual. Model 407732-NIST is also available with a Certificate of Calibration traceable to NIST.What is a Sound Level Meter?Sound level meters are instruments designed to respond to noise much like the human ear. The measurements taken by sound level meters are compared to known standards to determine if the noise level could have a detrimental effect on human hearing.Types of Sound Level MetersType 3 — Low cost models for basic sound checks.Type 2 — Models that meet OSHA and other ordinance testing requirements.Type 1 — Precision for lab testing (Extech doesn't have one).Dosimeters — Measure work noise exposure according to OSHA.Analyzer — analyzes noise in narrow bands.  More Extech Instruments to Choose FromView larger407730 Sound Level MeterRecords sound levels from 40 to 130 decibels with ±2 dB accuracy and 0.1 dB resolution. It features a large, 2000 count LCD display with a fast responding analog bargraph for viewing trend. Additional features include: Min/Max, Max Hold, Auto Power off, and an analog AC output for connection to chart recorders and dataloggers. Comes with microphone windscreen, four AAA batteries, and user manual.View larger407732 Type 2 Sound MeterSound Level Meter meets ANSI and IEC 651 Type 2 standards. Ideal for noise surveys in the workplace, installing fire alarms and speaker systems, and enforcing noise ordinances. Measures from 35 to 130 dB in two ranges and has an accuracy of ±1.5 dB. Data hold and Max hold functions. Backlit display allows use in dimly lit areas. Complete with microphone windscreen, 9-volt battery, and user manual. Model 407732-NISTL is also available with a Certificate of Calibration traceable to NIST at a single calibration point to 94 dB.View larger407732-Kit Sound Level Meter KitType 2 Sound Level Meter Kit meets ANSI and IEC 651 Type 2 standards. Ideal for noise surveys in the workplace, installing fire alarms and speaker systems, and enforcing noise ordinances. Measures from 35 to 130 dB in two ranges and has an accuracy of ±1.5 dB. Data hold and Max hold functions. Backlit display allows use in dimly lit areas. Kit comes complete with 407732 sound meter, 407744 94 dB Sound Calibrator, microphone windscreen, three 9-volt batteries, hard carrying case, and user manual. Model 407732-Kit-NIST is also available with a Certificate of Calibration traceable to NIST which includes 407732-NIST Sound Level Meter and 407722-NIST Sound Calibrator.407736 Type 2 Sound Level Meter with Calibration CheckSound Level Meter measures in 2 ranges from 35 to 130 dB with ±1.5 dB accuracy that meets ANSI and IEC Type 2 standards. It features a built-in 94 dB calibration check, fast/slow response time, A/C Weighting, Max Hold, and analog AC/DC output for connection to an analyzer or recorder. Comes complete with microphone windscreen, 9-volt battery, carrying case, and user manual. Model 407736-NIST is also available with a Certificate of Calibration traceable to NIST.

## Features

- Measuring range from 30 to 130dB
- 1.5 dB accuracy meets ANSI and IEC 651 type 2 standards
- A or C weighting
- Slow or Fast response
- Min/Max and Max Hold

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Extech Instruments |
| Part number | 407750 |
| Item Weight | 250 g |
| Product Dimensions | 26.16 x 7.87 x 3.81 cm; 250 g |
| Batteries | 2 AA batteries required. (included) |
| Item model number | 407750 |
| Style | Sound Level Meter with PC Interface |
| Material | ABS |
| Item Package Quantity | 1 |
| Included components | 9V Battery, Case |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |

## Images

![Extech 407750 Sound Level Meter with Background Sound Absorber - Image 1](https://m.media-amazon.com/images/I/51NINvPHlGL.jpg)

## Available Options

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

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-01-31*