An integrated calibration of a sound level meter with an averaging type and a real-time analyzer for 1/1 octave bands with center frequencies from 31.5 to 8000 Hz, along with the addition of a memory unit and a calculation unit.
■ The analysis results are displayed in frequency vs. level and time vs. level. The display of time variation allows for the estimation of reverberation time. ■ Instantaneous data and stored data are displayed together, making it easy to see the level differences for each frequency band. ■ The memory has battery backup. ■ It features a pause function. ■ Equivalent noise levels and other measurements are automatically taken within a range of 1 to 59 seconds, 1 to 59 minutes, and 1 to 24 hours using an internal clock. ■ Warnings for out-of-measurement range include overload, underload, and low battery voltage indicators. ■ The trigger function automatically stores analysis results that exceed the set level. ■ Markers display the absolute values of any frequency band levels. ■ In addition to noise levels, octave band analysis can be performed for equivalent noise levels, maximum values, and noise exposure levels. ■ It is a wide-range integration average type sound level meter with a measurement range of 50dB, displaying noise levels as numbers and bar graphs on a 55×55mm display area. ■ Up to 1500 screens of measurement, analysis, and calculation results can be stored. The storage cycle for noise levels can be set in 11 steps between 2ms and 10s.
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basic information
■ Measurement Range: A-weighting: 28–130dB, C-weighting: 33–130dB, FLAT: 36–130dB ■ Self-Noise: A-weighting: below 22dB, C-weighting: below 27dB, FLAT: below 30dB ■ Frequency Range: 20–1000Hz ■ Display Section: Display device: 55×55mm LCD ■ Display Range: Sound level meter: 50dB, Analyzer: 60dB (graph display), 66dB (numeric display) ■ Display Resolution: 0.1dB (numeric), 0.5dB (graph) ■ Hold Function: Instant hold function included ■ Calculation Items: Leq, LAE, Lmax ■ Calculation Setting Time: 1–59s, 1–59min, 1–24h ■ Calculation Sample Time: 10ms ■ Memory: 1500 screens ■ Memory Sample Time: 2ms–10s (2, 5, 10 steps) ■ Power Supply: 8 AA batteries, AC100V
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Applications/Examples of results
■ Measurement of environmental noise ■ Frequency analysis
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Company information
We, Soki, have been challenging new ways to "measure" with our "technological capabilities" and "on-site capabilities" since our establishment as "Soki Shokai" in April 1986, based on our desire to "create a new century with measurement technology." As a specialized store in the surveying and measurement field of the Kanamoto Alliance Group, we will continue to focus on "rental of surveying and measuring equipment," "development of automatic measurement systems," and "development of original products." We are committed to working together as a united team to meet the expectations of all our stakeholders. We sincerely appreciate the continued support and patronage of our customers and partners.