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Calibrator Sound Level Meter

Center-326-327

Sound Level Meter

Alat Uji Kebisingan Suara

CENTER 326/327, Berdasarkan banyak peraturan, pengukur tingkat suara perlu memverifikasi keakuratannya sebelum dan sesudah pengukuran. Kalibrator series sound level meter dirancang untuk memenuhi kebutuhan pelanggan ini. Kalibrator ini memberikan tingkat suara yang berbeda pada frekuensi yang berbeda pula, agar sesuai dengan peraturan yang berbeda dan sempurna untuk pemeriksaan berkala pada pengukur tingkat suara.

Standar

IEC 60942 (2003) Class 2

Features 327 :

  1. 94dB and 125Hz sound calibrator at 250Hz (CENTER 327)
  2. 94dB And 114dB Sound Calibrator At 1KHz (CENTER 326)
  3. Accurate and simple to use
  4. Fit 1 inch and 1/2 inch microphones
  5. Low battery indicator
  6. IEC 60942 (2003) Class 2, Ans1.40-1984
Center 327 Center 326

Standard Accessories :

  1. Battery
  2. operation manual
  3. carrying case

Spesification :

  1. Output Sound Pressure Levels: 94dB re 20uPa under reference Conditions (CENTER 327)
  2. Output Frequency: 125Hz ±2% and 250Hz ±2% (CENTER 327)
  3. Output Sound Pressure Levels: 114dB and 94dB re 20uPa under reference Conditions (CENTER 326)
  4. Output Frequency: 1000Hz ±2% (CENTER 326)
  5. Total Harmonic Distortion: < 4%
  6. Reference Condition:
    1. Temperature 23°C (73°F)
    2. Static press 103hpa
    3. Relative humidity 50%
  7. Accuracy of sound pressure level: Understated reference environment conditions ±0.5dB
  8. Battery test:
    1. Operate: Green LED indicator
    2. Low battery: Red LED indicator
  9. Battery: 9V battery
  10. Dimensions: 113 x 63 x 44 mm
  11. Weight: Approx.170g
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