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Center SL321, Sound Level Meter - Measure & PC Interface

Description:
CENTER 321 is our newly designed sound level meter. With all the functions 320 can provide, we had changed something in new designed back light LCD. We had added fast analog bar with peak hold two second in this tester. An auto range function is added for the tester to choose one proper range for measuring by the tester itself. RS232 interface is also added to provide real time data to the computer.

Sound Level Meter SL321Features:

  • PC Interface
  • Bar graph indication
  • Max/min function
  • Auto-ranging 30 to 130dB
  • Resolution 0.1dB
  • Level range display
  • AC/DC signal output
  • Auto power off
  • IEC 651 TYPE II

Microphone:
Electorate condenser microphone

Accuracy:
±1.5 dB ( ref 94dB @1KHz )

  • Level Range:
    Lo = 30 ~ 80 dB
    Med = 50 ~ 100 dB
    Hi = 80 ~ 130 dB
  • Frequency Weighting: A , C
    Time Weighting: Fast , Slow
  • Auxiliary Outputs:
    AC output
    Output voltage: 1Vrms (at full scale)
    Output impedance: Approx:600Ω
  • AC output
    Output voltage: 10mV / dB
    Output impedance: Approx:50Ω
  • Dynamic Range:
    50 dB
  • Frequency Range:
    31.5Hz to 8KHz
  • Battery Type:
    9V Battery
  • Battery Life:
    50 hours ( with alkaline battery )
  • Operation Temp:
    0°C~ 40°C(<80% R.H.)

Accessories:
Battery, Operation Manual, Carrying Case, Calibration Screwdriver, Windscreen, 3.5Φ plug

 

 

 
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