Wireless Sound Level Meter Data Logger Noise Sentry RT-W is a new generation of WiFi enabled smart integrating sound level meter/data logger. It includes a digital MEMS microphone, an accurate date/time clock, a non-volatile 128 Mb recording memory and Wireless connectivity.
The Sound Level Meter Data Logger Noise Sentry RT is a new generation of smart integrating sound level meter data logger. It includes a digital MEMS microphone, an accurate date/time clock and a non-volatile 128 Mb recording memory. It can record sound pressure levels autonomously for a week.
Sper Scientific's Integrating Sound Datalogger measures sound pressure level (SPL) according to A or C weighting and integrates the weighted SPL over an established length of time, such as an 8-hour workday, to calculate cumulative sound exposure (LEQ).
Safety-Environmental Data-logging Sound Meter *1, Class 1. A first class range of meters conforming to Class 1 standards offering the best practical accuracy for applications involving legislation or standards.
The Personal Sound Level Meter Data Logger Noise Sentry RT-P includes a digital MEMS microphone, an accurate date/time clock, and a non-volatile 64 Mb recording memory. Running on battery, it can record sound pressure for a week non-stop, or 3 weeks 8 hours a day. Weighing only 2.5 oz, its very small size allows it to be worn by personnel. It is weather proof and can be used indoors and outdoors.
The NSRTW_mk2 is a wireless sound level meter datalogger with a type 1 digital MEMS microphone, an accurate date/time clock, a non-volatile 128 Mb recording memory and wireless connectivity with fast USB and WiFi download.
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Sound level loggers autonomously record differences in sound levels in an area. These measurements are generally based on specific standards for safe human listening. These devices are mainly used to monitor sound levels in manufacturing plants, heavy machines and factories to ensure the safety of the people working in these places. These machines can also be used in engineering and construction.
Sound level loggers work by using the decibel scale to measure the energy consumed to generate noise. The decibel scale is a logarithmic scale, meaning that sounds that go up in decibels are ten times louder than the precious decibel reading. Sounds within a specific range (85dB and above -) are considered unsafe and can damage human hearing. A vital factor measured by sound level loggers is the duration of exposure to a specific sound level to identify areas of concern within an area. These makes the periodic measurement and data logging of sound level loggers more valuable than normal sound level meters.
High quality sound level loggers comply with international standards (IEC 60651, IEC 60804 and ANSI S1.4) and are given various grade types (0-3). The best sound level loggers have a grade of 0. These instruments are the most accurate and the most sensitive and are mostly used in research and laboratories. The most basic models are generally given a grade of 3 and are the least accurate and sensitive. Sound level loggers with a grade of 2 are somewhere in between the two grades and is for general use. Sound level loggers of this grade is the most ideal since they are not as expensive as grade 03 sound loggers, comply with international standards, and are accurate enough to perform general sound level monitoring.
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