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Sound level meters

Sound is a sequence of waves of pressure that propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). Sound that is perceptible by humans has frequencies from about 20 Hz to 20,000 Hz. In air at standard temperature and pressure, the corresponding wavelengths of sound waves range from 17 m to 17 mm. During propagation, waves can be reflected, refracted, or attenuated by the medium.[2]

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CEN0005- DATALOGGING SOUND LEVEL METER Featured item Complies with IEC 61672-1 class 2 standard. 31,000 Records Data Logger. Manual Reading Recording Memory(99 points). LCD Recording Readout(99 memory recording). PC Interface. With Windows Software. AC/DC Signal Output. Resolution 0.1 dB. Sound level meters
cia011-airforce-sl-5868p-sound-level-meter-with-rs-232c-software-cd-and-cable-lp-leq-lmax-ln
CIA011 AIRFORCE SL-5868P SOUND LEVEL METER WITH RS-232C SOFTWARE CD AND CABLE (LP, LEQ, LMAX, LN) Conforms with all the essential health and safety standards & requirements set out by the European Directives IEC651 Type 2, ANSI 1.4 Type 2 and GB/T3785 compliant Multifunctional and with 30-130dB wide range and built-in calibration signal of 94dB at 1kHz (sinusoidal) Offers 4 measurement parameters Lp (sound level), Leq (equivalent continuous A sound),Lmax (maximum sound level), LN (percent of all readings over... Sound level meters
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CEN0052-KKINSTRUMENTS 392 HANDHELD LARGE-DISPLAY SOUND LEVEL METER W/BARGRAPH - USA   Key Specifications/Special Features: Measurement Range: 30~130dB 60dB Dynamic Space in Each Range Accuracy: ±1.4dB Time Weighting Fast/Slow Frequency Weighting A/C Max/Min Function   Sound level meters
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CEN0053-393 Heavy-Duty USB Datalogging Sound Level Meter-USA Featured item   Features:  PC interface via Micro USB cable 64000 records datalogger Bargraph indication Auto power off MAX/MIN function Clock display AC/DC signal output IEC 61672-1 class 2 Patented   Specifications:   Level Range: 30~130dB Accuracy: ±1.4dB (ref 94dB@1KHz) Frequency Weighting: A / C Time Weighting: Fast, Slow Frequency Range: 20Hz to 8KHz Microphone: Electret condenser... Sound level meters
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CEN0052B-HEAVY-DUTY WALLMOUNT DISPLAY SOUND LEVEL MONITOR-1306   Accurate noise measurement: The Noise meter accurately measures and detects sound levels, providing precise data for monitoring and analyzing noise levels in various. Advanced connectivity options Versatile functionality: This multifunctional device not only measures noise levels, but also doubles as a wall-mounted clock, temperature and humidity meter. It provides comprehensive information to help you maintain optimal indoor conditions. User-friendly design: With its user-friendly... Sound level meters
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CEN0052BT-HEAVY-DUTY WALLMOUNT DISPLAY SOUND LEVEL METER WITH CLOCK SHOWING TIME(No Wifi)     Accurate noise measurement: The Noise meter accurately measures and detects sound levels, providing precise data for monitoring and analyzing noise levels in various. Advanced connectivity options Versatile functionality: This multifunctional device not only measures noise levels, but also doubles as a wall-mounted clock, temperature and humidity meter. It provides comprehensive information to help you maintain optimal indoor conditions. User-friendly design: With its user-friendly... Sound level meters
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CEN0052BW-WIFI HEAVY-DUTY WALLMOUNT DISPLAY SOUND LEVEL METER WITH CLOCK/WIFI -165a   Accurate noise measurement: The Noise meter accurately measures and detects sound levels, providing precise data for monitoring and analyzing noise levels in various. Advanced connectivity options: Equipped with WiFi capabilities, the WIFI Sound level meter enables seamless data transfer to your preferred devices, allowing you to conveniently access and analyze noise data remotely. Versatile functionality: This multifunctional device not only measures noise levels, but also doubles as a... Sound level meters