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CENTER 321 Sound Level Meter (PC Interface) 

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.

Features: 

  •  PC Interface.
  •  Bargraph Indication. 
  •  MAX/MIN Function.
  •  Auto Ranging (30~130dB).
  •  Resolution 0.1dB.
  •  Level Range Display.
  •  AC/DC Signal Output.
  •  Auto Power Off.
  •  IEC 651 TYPE II.

Specifications:

Level Range: Lo=30~80dB ; Med=50~100dB ; Hi=80~130dB
Accuracy: ±1.5dB (ref 94dB@1KHz)
Frequency Weighting: A / C
Time Weighting: Fast, Slow
Dynamic Range: 50dB
Frequency Range: 31.5Hz to 8KHz
Microphone: Electret condenser microphone
Auxiliary Outputs: AC/DC Output
Battery: 9V battery
Dimensions: 275x64x30 mm
Weight: Approx.280g

Standard Accessories:

Battery, Operation Manual, Carrying Case, Calibration Screwdriver, Windscreen, 3.5Ø plug.

Catalog: