---
product_id: 52133524
title: "Extech SL400 Personal Noise Dosimeter with USB Interface"
brand: "extech"
price: "₹ 201574"
currency: INR
in_stock: true
url: https://www.desertcart.in/products/52133524-extech-sl400-personal-noise-dosimeter-with-usb-interface
store_origin: IN
region: India
---

# 999,999 data logs capacity Multi-mode sound level metrics 1 sec to 24 hr sampling range Extech SL400 Personal Noise Dosimeter with USB Interface

**Brand:** extech
**Price:** ₹ 201574
**Availability:** ✅ In Stock

## Summary

> 🔊 Stay ahead of noise—measure, monitor, and master your soundscape!

## Quick Answers

- **What is this?** Extech SL400 Personal Noise Dosimeter with USB Interface by extech
- **How much does it cost?** ₹ 201574 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/52133524-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 with adjustable criterion level, exchange rate, and threshold.
- • **Massive Data Storage:** Capture up to 999,999 noise readings for comprehensive analysis.
- • **Advanced Sound Metrics:** Track min/max, LEQ, peak, and SEL for precise noise exposure insights.
- • **Plug & Play USB Interface:** Seamlessly transfer data with included USB cable and integrated software support.
- • **Flexible Sampling Intervals:** Customize monitoring from 1 second to 24 hours to fit any environment.

## Overview

The Extech SL400 Personal Noise Dosimeter is a professional-grade sound monitoring device designed for precise noise exposure measurement. Featuring a massive data logging capacity of nearly one million readings, flexible sampling intervals from 1 second to 24 hours, and comprehensive sound level metrics including LEQ, peak, and SEL, it empowers users to customize and control their noise monitoring with adjustable settings. Equipped with a USB interface and essential accessories, this compact and lightweight dosimeter is ideal for occupational safety professionals and sound-conscious managers aiming to ensure compliance and optimize environments.

## Description

Full description not available

## Features

- Measures frequency weighted noise exposure and peak (C, Z) sound level
- Data logs 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 |
|---------------|-------|
| Manufacturer | Extech |
| Part number | SL400 |
| Item Weight | 200 g |
| Product Dimensions | 6.6 x 3.3 x 10.67 cm; 199.58 g |
| Batteries | 1 Product Specific batteries required. |
| Item model number | SL400 |
| Colour | Green |
| Pattern | Dosimeter |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Measurement System | Metric |
| Coverage | 9V |
| Included components | belt clip, clip-on microphone, 9V battery, USB cable, and carrying case |
| Batteries included? | No |
| Batteries Required? | No |
| Battery Cell 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** 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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*Product available on Desertcart India*
*Store origin: IN*
*Last updated: 2026-05-21*