Sound Level Meter

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Cosber Sound Level Meter HY-118

Sound Level Meter

Sound Level Meter adalah alat uji kebisingan suara untuk mengukur suara Klakson dan Kenalpot kendaraan.

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Sound Level Meter
Sound Level

Alat Uji Kebisingan Suara

Pengukur tingkat suara HY-118 adalah instrumen genggam yang kinerjanya sesuai dengan standar nasional GB/T 3785-2010 dan standar internasional IEC 61672:2013 "Sound Level Meter" untuk pengukur tingkat suara Kelas 1. Pengukur level suara ini adalah pengukur level suara digital terbaru dari perusahaan. Ini ringan dan portabel.

Pengukur tingkat suara rata-rata integral HY-118 adalah produk yang ditingkatkan dari pengukur tingkat suara HY108. Ini memiliki fungsi rata-rata integral manual. Hal ini terutama digunakan untuk mengukur tingkat suara tertimbang waktu, tingkat paparan suara, tingkat suara persentase kumulatif, paparan suara dan jumlah evaluasi Kebisingan dari dosis kebisingan. Pengukur tingkat suara HY118 menggunakan memori internal untuk menyimpan hanya satu hasil pengukuran integral, dan tidak akan hilang setelah dimatikan. Setelah setiap pengukuran, maka secara otomatis akan menutupi hasil terakhir dan menyimpannya, dan hasil pengukuran juga dapat dicetak di tempat.

  • GB/T3785 and IEC61672

Features :

  1. It is suitable for on-site measurement of environmental noise, machine noise, traffic noise and workplace noise, and also suitable for teaching demonstration in colleges and universities.
  2. Battery-powered, compact and sturdy design, suitable for on-site use and portable.
  3. With integral averaging function, easy to operate.
  4. The measurement results are not stored (customizable storage mode), and the measurement results can be printed on site.
  5. When used with an external computer, it can be used as a noise data collector.
  6. HY118 is a Class 1 sound level meter; HY118A is a Class 2 sound level meter.
  7. Passed the type evaluation test, certificate number: 2019S126-43.
Panduan Mengukur Kebisingan

Spesification :

  1. Performance level: GB/T3785 and IEC61672 level 1.
  2. Measured evaluation quantity: LP, Leq, LAE, L5, L10, L50, L90, L95, Lmax, Lmin, LCpeak, EA and other parameters.
  3. Microphone: HY207 type 1 engineering measurement microphone, nominal diameter 12.7 mm, free-field frequency response. The nominal sound pressure sensitivity is 50 mV/Pa (the nominal sound pressure sensitivity level is -26 dB, and the reference value is 1 V).
  4. Frequency range: 10 Hz ~ 20 kHz.
  5. Frequency weighting: A weighting, C weighting, Z weighting.
  6. Time weighting: F (fast response), S (slow response), I (impulse response).
  7. Measuring range: A sound level: 30 dB ~ 130 dB; C sound level: 40 dB ~ 130 dB; Z sound level: 45 dB ~ 130 dB.
  8. Integration time: Manually control the measurement duration within the range of 5 s ~ 99h 59min 59s.
  9. Automatic calibration range: ±4.5dB (reference value is 50mV/Pa).
  10. Display: 128x64 dot matrix liquid crystal display (LCD), resolution 0.1dB, with signs of overload, under-range, low battery voltage, etc.
  11. Analog output: The output jack is a 3.5 mm dual-channel headphone jack with a minimum load impedance of 10kΩ.
    1. DC logarithmic voltage: The output voltage is related to the logarithm of the measured sound pressure, and the unit sound pressure output voltage is 15 mV/dB.
    2. AC linear voltage: The output voltage is linearly related to the measured sound pressure, and the output voltage corresponding to the upper boundary of the level range is 2.0V.
  12. Digital output: The output connector is DB9 male (pin type), RS232 serial communication port, output ASCII code, modulation rate (baud rate) is 9600 Bd.
  13. Power supply: 2 LR6 type (No. 5) batteries, which can work continuously for 27 hours under reference environmental conditions.
  14. Dimensions: L x W x T; 210 x 68 x 31 mm.
  15. Weight: 210 g.
  16. Operating temperature range: -10°C~50°C.