--- product_id: 52133526 title: "Extech SL400 Personal Noise Dosimeter with USB Interface | Noise exposure and peak (C,Z) SPL, datalogs to 999999 readings, Leq/SEL, OSHA/IEC, adjustable criterion, USB" brand: "extech" price: "€ 1656.23" currency: EUR in_stock: true category: "Extech" url: https://www.desertcart.at/products/52133526-extech-sl400-personal-noise-dosimeter-with-usb-interface-noise-exposure store_origin: AT region: Austria --- # USB interface for seamless data transfer Up to 999,999 datalogs Measures peak & frequency-weighted SPL Extech SL400 Personal Noise Dosimeter with USB Interface | Noise exposure and peak (C,Z) SPL, datalogs to 999999 readings, Leq/SEL, OSHA/IEC, adjustable criterion, USB **Brand:** extech **Price:** € 1656.23 **Availability:** βœ… In Stock ## Summary > πŸ”Š Stay ahead of noise risks with precision and power! ## Quick Answers - **What is this?** Extech SL400 Personal Noise Dosimeter with USB Interface | Noise exposure and peak (C,Z) SPL, datalogs to 999999 readings, Leq/SEL, OSHA/IEC, adjustable criterion, USB by extech - **How much does it cost?** € 1656.23 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/52133526-extech-sl400-personal-noise-dosimeter-with-usb-interface-noise-exposure) ## 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 - β€’ **Massive Data Capacity:** Stores nearly a million readings, empowering detailed long-term noise analysis without data loss. - β€’ **Precision Noise Monitoring:** Accurately captures peak (C, Z) and frequency-weighted sound levels for reliable exposure assessment. - β€’ **Compact & Lightweight Design:** Portable 7-ounce device fits effortlessly into any professional’s toolkit for on-the-go noise compliance. - β€’ **Customizable Measurement Settings:** Adjust criterion level, exchange rate, and threshold to tailor surveys to OSHA, IEC, and other standards. - β€’ **Real-Time & Retrospective Analysis:** Includes PC software for live monitoring and comprehensive post-survey data review. ## Overview The Extech SL400 Personal Noise Dosimeter is a compact, lightweight device designed for professional noise exposure monitoring. It supports up to 999,999 datalogs with adjustable settings compliant with OSHA, IEC, and other standards. Featuring a USB interface and dedicated PC software, it enables seamless data transfer and real-time analysis, making it an essential tool for workplace noise compliance and safety. ## 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 | | Batteries | 1 Product Specific batteries required. | | Best Sellers Rank | #441,533 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #196 in Sound & Noise Meters | | Date First Available | July 12, 2016 | | Item Weight | 7 ounces | | Item model number | SL400 | | Manufacturer | Extech | | Product Dimensions | 2.6 x 1.3 x 4.2 inches | ## Images ![Extech SL400 Personal Noise Dosimeter with USB Interface | Noise exposure and peak (C,Z) SPL, datalogs to 999999 readings, Leq/SEL, OSHA/IEC, adjustable criterion, USB - Image 1](https://m.media-amazon.com/images/I/71+zMYF7-2L.jpg) ![Extech SL400 Personal Noise Dosimeter with USB Interface | Noise exposure and peak (C,Z) SPL, datalogs to 999999 readings, Leq/SEL, OSHA/IEC, adjustable criterion, USB - Image 2](https://m.media-amazon.com/images/I/71YSssjoHVL.jpg) ![Extech SL400 Personal Noise Dosimeter with USB Interface | Noise exposure and peak (C,Z) SPL, datalogs to 999999 readings, Leq/SEL, OSHA/IEC, adjustable criterion, USB - Image 3](https://m.media-amazon.com/images/I/81vm9-50FrL.jpg) ![Extech SL400 Personal Noise Dosimeter with USB Interface | Noise exposure and peak (C,Z) SPL, datalogs to 999999 readings, Leq/SEL, OSHA/IEC, adjustable criterion, USB - Image 4](https://m.media-amazon.com/images/I/81njboqAi-L.jpg) ![Extech SL400 Personal Noise Dosimeter with USB Interface | Noise exposure and peak (C,Z) SPL, datalogs to 999999 readings, Leq/SEL, OSHA/IEC, adjustable criterion, USB - Image 5](https://m.media-amazon.com/images/I/71FSWf+vuCL.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 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/52133526-extech-sl400-personal-noise-dosimeter-with-usb-interface-noise-exposure](https://www.desertcart.at/products/52133526-extech-sl400-personal-noise-dosimeter-with-usb-interface-noise-exposure) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-07-24*