---
product_id: 325362758
title: "SL400 Personal Noise Dosimeter with USB Interface"
brand: "extech"
price: "55758348₫"
currency: VND
in_stock: true
category: "Extech"
url: https://www.desertcart.vn/products/325362758-sl400-personal-noise-dosimeter-with-usb-interface
store_origin: VN
region: Vietnam
---

# USB interface for seamless data transfer Up to 999,999 data logs Measures peak & weighted noise levels SL400 Personal Noise Dosimeter with USB Interface

**Brand:** extech
**Price:** 55758348₫
**Availability:** ✅ In Stock

## Summary

> 🔊 Stay ahead of noise risks with precision and ease!

## Quick Answers

- **What is this?** SL400 Personal Noise Dosimeter with USB Interface by extech
- **How much does it cost?** 55758348₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/325362758-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

- • **Compact & Lightweight:** Ergonomically designed for all-day wear without fatigue, perfect for professionals on the move.
- • **Customizable Settings:** Adjust criterion level, exchange rate, and threshold to tailor measurements to your specific compliance needs.
- • **Massive Data Capacity:** Stores nearly a million readings, ensuring comprehensive noise exposure tracking over extended periods.
- • **Real-Time & Post Analysis:** Includes PC software for live monitoring and detailed post-survey data analysis, boosting workplace safety insights.
- • **Precision Noise Monitoring:** Accurately measures frequency-weighted and peak sound levels for reliable exposure assessment.

## Overview

The Extech SL400 Personal Noise Dosimeter is a compact, lightweight device designed for professional noise exposure monitoring. It supports OSHA, MSHA, DOD, ACGIH, and ISO compliance with advanced data logging of up to 999,999 readings, customizable measurement settings, and a USB interface for seamless data transfer and analysis via included PC software.

## Description

For employees that are exposed to loud noise, sound level monitoring is essential to determine what protective measures are required. Perform OSHA and IEC Noise accumulation surveys to determine total sound exposure over an 8-hour period. The SL400 is a compact, lightweight Dosimeter with USB interface designed to test noise exposure and provide noise surveys for compliance with OSHA, MSHA, DOD, ACGIH, and ISO standards. Includes PC software to control setup and retrieve stored events or analyze real-time measurements.

## Features

- Measures frequency weighted noise exposure and peak (C, Z) sound level
- Datalog's 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 |
|---------------|-------|
| ASIN | B000N4ZU6W |
| Best Sellers Rank | #96,512 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #62 in Sound Level Meters |
| Item model number | SL400 |
| Manufacturer | Extech |
| Product Dimensions | 6.6 x 3.3 x 10.67 cm; 199.58 g |

## Images

![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 Vietnam*
*Store origin: VN*
*Last updated: 2026-07-02*