CENTER TECHNOLOGY | Series 390 Sound Level Meter (single range, datalogger)

Our advance sound level meter CENTER 390 fully complies with IEC61672-1. This meter has only one measuring range and it is extending from 30db to 130db that is full 100db. The operator will not have to worry about which range to use like in the 3 or 4 range models and neither about signal latency in auto range models. This unit is also a data logger and it is equipped with manual storing capability which can store 99 sets of data and can be readout from unit or through PC.


CENTER 390 SOUND LEVEL METER (single range, datalogger)
  • PC interface via Micro USB cable
  • 32000 records datalogger
  • Bargraph indication
  • Manual reading recording memory (99 points)
  • LCD recording readout (99 memory recording)
  • Auto power off
  • MAX/MIN function
  • Clock display
  • AC/DC signal output
  • IEC 61672-1 class 2


  • Level Range: 30~130dB
  • Accuracy: 1.4dB (ref 94dB@1KHz)
  • Frequency Weighting: A & C
  • Time Weighting: Fast, Slow
  • Frequency Range: 20Hz to 8KHz
  • 60dB Dynamic Space in Each Range
  • Microphone: ½" Electret condenser microphone
  • Auxiliary Outputs: AC/DC Output
  • Battery: 1.5 (AA) x 4
  • Dimensions: 272 x 83 x 42mm
  • Weight: 390g

Standard Accessories:

  • Battery, operation manual, carrying case, windscreen, 3.5Ø plug, Micro-USB cable, software