ATP ET-933 Manual Or Auto Range Sound Level Meter


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A precision sound level meter ideal for measuring noise levels in different environments and industries. Manufactured to IEC 60651 Type 2, this sound level meter has a precision ½” electret condenser microphone and is lightweight and easy to use.

  • 3 Manual Ranges: 30 to 80dB, 50 to 100dB, 80 to 130dB
  • 0.1dB resolution
  • Selectable ‘A’ or ‘C’ frequency weighting
  • Fast (125ms) or Slow (1s) response filters
  • 35mm LCD display with function indicators
  • LCD display backlight
  • Data Hold function freezes displayed value
  • Max Hold displays highest measured value
  • Min Hold displays lowest measured value
  • Over/Under range indicator
  • Auto power-off after 15 minutes of no activity
  • Low battery indication
  • Foam wind muffler for outside use
  • 2 Year Warranty
  • Supplied with soft carry case, wind muffler and battery


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