This is a noise meter that significantly improves operation with the adoption of a large color LCD touch panel, allowing measurements to be started with easy-to-understand and intuitive controls.
In addition to measuring and calculating the original noise level, it is also possible to "measure while listening to the sound" during the measurement process. By listening to the sound, you can check the condition of the object, locate the sound source, and confirm whether the recording was successful. This allows for safe and reliable measurements in environments where mistakes are not permitted. With just one unit of this product, you can perform noise measurement, sound recording, frequency analysis, and sound source detection of abnormal noises, significantly improving the efficiency of measurement tasks. The M7SLM-8311N is recommended for those conducting high-function environmental noise measurements. There is also a wideband type "M7SLM-8611N" recommended for measuring sounds from infrasound to the audible range, and a high-sensitivity type "M7SLM-8811N" recommended for measuring small sounds in anechoic chambers.
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■Specifications Model Number: M7SLM-8311N Measurement Law Type Approval Number: TS225 TS224 Applicable Standards: JIS C 1509-1: 2017 Class 2 JIS C 1516: 2020 Class 2 IEC 61672-1: 2013 Class 2 ANSI S1.4-2014/Part1 Class 2 Measurement Frequency Range: 10 Hz to 8 kHz Measurement Level Range (JIS, IEC): A: 23 to 138 dB C: 30 to 138 dB Z: 36 to 138 dB Self-Noise Level: A: 17 dB or less C: 24 dB or less Z: 30 dB or less Linearity Range: Wide Range: 110 dB / Normal Range: 80 dB Level Range: 20 to 130 dB (wide) / 60 to 130 dB / 50 to 120 dB / 40 to 110 dB / 30 to 100 dB / 20 to 90 dB / 10 to 80 dB Reference Range: 50 to 120 dB Time Weighting Characteristics Example: LAF F (Fast), S (Slow), I (Impulse), 10 ms Frequency Weighting Characteristics Example: LAF A, C, Z Characteristics
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●Included hand strap Prevents the device from falling during measurement use. ●Size reduction Achieved a 35% reduction in size from the previous model. Designed to be friendly for those with smaller hands, pursuing ease of holding. ●4.3-inch color LCD Allows for clear overlay display. Warns of range overages in red. ●Start data collection with just one tap Calculation data and recording begin with a single tap to start (for automatic memory saving). ●Equipped with listening function By directing the microphone (noise meter) towards the source of the sound, you can experience the sound while also seeing the numerical values. ●Realizes long-duration measurement Approximately 12 hours of use with alkaline batteries, and can also be powered via USB. ●Intuitive operation with touch panel You can change displays such as calculation switching, range switching, and measurement time by tapping. ●Home key included Pressing the home key returns you to the basic screen. ●Key lock function Long-pressing the home key enables key lock. ●Wind screen correction function When measuring with a wind screen, it can correct the influence of the attachment.
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