Brand: Extech · SKU: SL400 · MPN: SL400 · Category: Components
The Extech SL400 is a compact, lightweight Personal Noise Dosimeter with a USB interface, designed to test noise exposure and conduct noise surveys for compliance with OSHA, MSHA, DOD, ACGIH, and ISO standards. It can determine total sound exposure over an 8-hour period. This device also functions as a Sound Level Meter (SLM), capable of logging up to 999,999 readings with sampling times ranging from 1 second to 24 hours. It includes PC software to control setup, retrieve stored events, or analyze real-time measurements. The meter supports A, C, and Z frequency weightings, and Fast, Slow, and Impulse time weightings. It has a dynamic range of 60 dB and an accuracy of ±1.4dB at 94dB / 1KHz. The device is powered by a 9V Alkaline battery, offering a 24-hour battery life.
| Battery | 9V Alkaline (24-hour life) |
|---|---|
| Accuracy | ±1.4dB @ 94dB / 1KHz |
| Connectivity | USB Interface |
| Dynamic Range | 60 dB |
| Time Weighting | Fast, Slow, Impulse |
| Measurement Type | Personal Noise Dosimeter / Sound Level Meter |
| Frequency Weighting | A, C, Z |
| Sampling Time Range | 1 second to 24 hours |
| Compliance Standards | OSHA, MSHA, DOD, ACGIH, ISO |
| Data Logging Capacity (SLM) | 999,999 readings |
| Warranty | Standard manufacturer's warranty (not explicitly stated as 2 years in all results, but implied/related products mention warranties). |
| Weight | Not specified |
| Dimensions | 107(L) x 65(W) x 33(H) mm; 4.21(L) x 2.56(W) x 1.30(H) in. |
A compact, lightweight noise dosimeter with USB interface for workplace noise assessment and compliance monitoring against OSHA, MSHA, DOD, ACGIH, and ISO standards. Features include 8-hour accumulated noise exposure measurement, SLM capabilities up to 999,999 readings, A/C/Z frequency weighting, and PC software for setup and data retrieval.
Yes, this Extech SL400 Personal Noise Dosimeter with USB Interface (SL400) is 100% genuine Extech hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Extech SL400 Personal Noise Dosimeter with USB Interface includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the SL400.