Sound Level Meters
Class 1 Sound Level Meter NL-38NEW
Features
Compact and lightweight, this sound level meter can be easily operated with one hand.Equipped with a bright and highly legible OLED display, it ensures excellent visibility both indoors and outdoors, even in low-light environments.
It enables convenient noise measurements for vehicle inspection stations,as well as environmental noise monitoring such as factory noise, road traffic noise, and construction noise.Powered by two AA alkaline batteries, it provides approximately 9 hours of continuous operation,making it suitable for field measurements.
Compliant with IEC 61672-1:2013 Class 1, it delivers highly reliable noise measurement performance.
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Detachable microphone and preamplifier with extension cable support
Supports Noise Measurement at Remote Sites, Reducing On-Site Workload.
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Equipped with USB Type-C connector
Data measured with the NL-38 can be acquired as a CSV file.Streamline report creation and data management.
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Automatic calibration function
Acoustic calibration, performed before and after measurements, is also completed automatically.Calibration history data can be stored.
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High-visibility OLED display
Easy-to-read measurements indoors, outdoors, and in low light.
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Up to approximately 9 hours of continuous operation
Supports long-term noise monitoring in the field.
Standard features
Measurement function
The following values can be measured with the selected frequency weighting and time weighting.

Application
Its intuitive operation allows users to perform required noise measurements with ease.
◆Noise Measurement for Vehicle Inspections
・Suitable for close-proximity exhaust noise measurements at vehicle inspection stations.
・The main unit and microphone can be installed separately, enabling measurements even when the monitoring room is located away from the measurement point.
(Main unit in the monitoring room; microphone and preamplifier at the measurement point.)
Ideal for a wide range of environmental noise measurements, from noise assessment and management to evaluating impacts on the surrounding environment.
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Construction Site Noise Measurement
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Factory Noise Measurement
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Road Traffic Noise Measurement
Library
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Datasheet
Options
NC-75 Sound Calibrator
This Sound calibrator conforms to IEC 60942(JIS C 1515), class 1, providing a level of performance sufficient for calibrating the precision sound level meter.
Related pagesNor1256 Sound Calibrator
Conforms to IEC 60942:2017 Class 1 and ANSI/ASA S1.40-2006(R2016)Class 1
NC-72B Pistonphone
Compliant with IEC 60942:2017(JIS C 1515:2020)class LS/M, class 1/M.Allows calibration with accuracy of ±0.10 dB.
Related pagesST-80 Tripod for sound level meter
This stand can be used for general acoustic measurements.The sound level meter and microphone can be mounted on the stand.