---
product_id: 325362758
title: "Extech SL400 Personal Noise Dosimeter with USB Interface"
brand: "extech"
price: "S$1334"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/325362758-extech-sl400-personal-noise-dosimeter-with-usb-interface
store_origin: SG
region: Singapore
---

# Up to 999,999 data points Measures peak & weighted noise levels Sampling from 1s to 24h Extech SL400 Personal Noise Dosimeter with USB Interface

**Brand:** extech
**Price:** S$1334
**Availability:** ✅ In Stock

## Summary

> 🔊 Stay ahead of noise pollution with precision and power!

## Quick Answers

- **What is this?** Extech SL400 Personal Noise Dosimeter with USB Interface by extech
- **How much does it cost?** S$1334 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/325362758-extech-sl400-personal-noise-dosimeter-with-usb-interface)

## 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

- • **User-Defined Setup:** Tailor measurement parameters to your unique environment and compliance needs.
- • **Massive Data Capacity:** Capture nearly a million noise readings for in-depth analysis.
- • **Seamless USB Interface:** Effortlessly transfer data for instant reporting and decision-making.
- • **Precision Noise Metrics:** Track frequency-weighted exposure, peak levels, and sound exposure with ease.
- • **Flexible Sampling Intervals:** Customize your monitoring from rapid 1-second checks to full-day assessments.

## Overview

The Extech SL400 Personal Noise Dosimeter is a compact, lightweight device designed for professional noise exposure monitoring. It supports extensive data logging—up to 999,999 readings—with flexible sampling intervals from 1 second to 24 hours. Featuring adjustable measurement settings and a USB interface, it delivers precise frequency-weighted and peak sound level data, empowering managers and safety professionals to ensure compliance and protect hearing health.

## Description

Extech SL400 Personal Noise Dosimeter with USB Interface

## Features

- Measures frequency weighted noise exposure and peak (C, Z) sound level
- Datalogs up to 999,999 readings when used as a sound level meter with sampling times between 1 second and 24 hours
- Sound level mode: displays sound level, min/max, time-averaged sound level (Leq), peak, and sound exposure level (SEL)
- Adjustable Criterion Level, Exchange Rate and Threshold
- One user-defined measurement setup

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 200 g |
| Product Dimensions | 6.6 x 3.3 x 10.67 cm; 199.58 g |
| Batteries | 2 Lithium Ion batteries required. |
| Item model number | SL400 |
| Battery type | Alkaline |

## Images

![Extech SL400 Personal Noise Dosimeter with USB Interface - Image 1](https://m.media-amazon.com/images/I/71+zMYF7-2L.jpg)

## Available Options

This product comes in different **Pattern Name** options.

## Questions & Answers

**Q: someone knows how to obtain the graphs of noise dosimeter meter**
A: I just down load the data files and put into Excel. Then I can produce the graphics using Excel for many different reasons. Just my way.

**Q: How many time is the guarantee?**
A: Hello, thanks for your question, all of our meters have a 2-year warranty. if you have any questions feel free to contact us on our technical support line at 866-477-3687 opt 3

**Q: Do you sale type II condensed electret microphone? I want to buy some of then to sales here in my country.**
A: No this is not a type 2 condensed microphone

**Q: Can this be set to lock the keypad to prevent accidentally pushing buttons?**
A: Dear Paul, thank you for your question. I am not showing this option available as per the Extech`s website.  Feel free to contact us with all other inquiries.

## Frequently Bought Together

- Extech SL400 Personal Noise Dosimeter with USB Interface
- Extech 407744 94dB Sound Calibrator for 0.5" and 1" Microphones

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**Shop now:** [https://www.desertcart.sg/products/325362758-extech-sl400-personal-noise-dosimeter-with-usb-interface](https://www.desertcart.sg/products/325362758-extech-sl400-personal-noise-dosimeter-with-usb-interface)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-21*