TES 1350A Digital Sound Meter

The TES 1350A digital sound meter measures from 35dB up to 130dB at frequencies between 31.5Hz and 8KHz. Results are displayed on the 4 digit LCD screen to a resolution of 0.1dB with either A or C weightings. AC and DC output signals are available from a single standard 3.5mm coaxial socket for use with a signal recorder or analyser.

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The TES 1350A digital sound meter utilises a ½ in Electret condenser microphone to take measurements over two ranges, Low – 35dB to 100dB and High – 65db 130 dB, as well as a dynamic range of 65dB.  Measurements frequencies are between 31.5 Hz to 8 KHz and results are accurate to ± 2dB. The TES 1350A features a 4-digit digital LCD screen with 0.1dB resolution to display results with a display period of 0.5 seconds. On screen indicators also show the measuring unit, out of range results notification, maximum hold and low battery.

Brief Specs:

  • Measuring Level Range
    • Lo – 35 to 100dB
    • Hi – 65 to 130dB
  • Dynamic Range: 65dB
  • Frequency Range: 31.5Hz to 8Hz
  • Accuracy: ±2.0dB
  • 4-digit digital LCD with 0.1dB resolution and display period of 0.5 seconds
  • Microphone: 1/2 inch Electric Condenser Microphone
  • Time Weighting: Fast (125ms), Slow (1s)
  • Notification displayed when input is out of range
  • Maximum Hold of readings, with decay <1dB/3 minutes
  • AC Output
  • 0.65Vrms at full scale; Output impedance approximately 600 ohms
  • DC Output
  • 10mV/dB; Output impedance approximately 100 ohms

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