Class II sound level meter with self-noise reduction and octave band filter PCE-428 PCE Instruments

Product description:

• Class II sound level meter with octave band filter.
• The values can be displayed numerically or graphically.
• Its dimensions are 7 cm wide x 30 cm high x 3.6 cm deep.
• Different frequency weightings (A, B, C and Z) and time weightings (slow, fast, impulse and peak) are available.
• The "Peak-Hold" function allows to determine the peak value during a long measurement and to freeze it on the sound level meter display.
• ICCP 40 mV /PA microphone, self-noise reduction.
• Alarm level adjustment and statistics function.
• Backlit LCD display 160 x 160 pixels.
• Delivery includes:
  • Microphone 1/2".
  • Carrying case.
  • Wind noise suppressor.
  • USB cable.
  • Software.
  • Power supply.
• Not valid for legal metrology on España
  

Technical data:

• Measuring parameters:
  • LXY(SPL), LXeq, LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN.
  • X= Frequency weighting: A, B, C, Z.
  • Y= Temporal weighting: F, S, I.
  • N= Statistics in %: 1 to 99.
• Range: 25 to 136 dB (A).
• Accuracy: class 2.
• Frequency range: 20 Hz to 12.5 kHz.
• Standards:
  • GB/T3785.1-2010.
  • GB/T3785.2-2010.
  • IEC60651:1979.
  • IEC60804:2000.
  • IEC61672-1:2013.
  • ANSI S1.4-1983.
  • ANSI S1.43-1997.
• Frequency analysis: Octave band filter: 20 Hz to 8 kHz.
• Microphone:
  • 1/2" class 2 microphone.
  • Sensitivity: 40 mV/PA.
  • Frequency range: 20 Hz to 12.5 kHz.
  • Connection: TNC.
  • Power supply: ICCP Standard.
• Self-noise:
  • Microphone: 20 db(A), 26 db(C), 31 db(Z).
    Electronics: 14 db(A), 19 db(C), 24 db(Z).
• Integral time measurement: Adjustable from 1 second to 24 hours.
• Sampling:
  • Standard: 48 kHz.
  • LN mode: 20 ms.
• Memory: 4 GB micro SD card.
• Power supply:
  • USB cable: 5 V / 1 A.
  • Power supply: 12 V / 1 A.
  • Batteries: 4 x AA 1.5 V (included) for a minimum battery life of 10 hours.

Optional:

• Model with ISO calibration certificate.
  • The ISO ICA certificate is a custom calibration with nominal certificate.
  • When ordering, please contact the customer service team and indicate the calibration information required.
  • Calibration service is non-returnable.

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