Precision Data Logging Sound Level Meter

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Precision Data Logging Sound Level Meter

Model No. Product Name Price Qty
AET-958 Precision Data Logging Sound Level Meter
ACAL-SL Sound Meter Calibration Service + Certificate
ATP-1220R Instrument Tripod
SL-WM1 Wind Muffler
ALR-61 PP3 Alkaline Battery 9V

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The AET-958 is a data logging sound meter with 4 measurement ranges (3 manually selectable, 1 auto range). It offers selectable ‘A’ or ‘C’ frequency weightings and a choice of either Fast or Slow time weightings. The data logging feature can record up to 262,100 readings in one or multiple recordings it at intervals of 1 second to 10 hours. It is designed to match the accuracies required of IEC 61672:2013 at ±1.4dB. Featuring a modern ergonomically designed grip, simple function buttons and a simple USB connection it is easy to use.

  • 4 Measurement Ranges
    • 30 to 80dB
    • 50 to 100dB
    • 80 to 130dB
    • 30 to 130dB (Auto range)
  • Over/Under range indicator
  • 0.1dB Resolution
  • Selectable ‘A’ or ‘C’ frequency weightings
  • Selectable Fast (125ms) or Slow (1s) time weightings
  • Precision ½ inch electret condenser microphone
  • Lmax (LAFmax, LASmax, LCFmax, LCSmax)
  • Lmin (LAFmin, LASmin, LCFmin, LCSmin)
  • Data logging for 262,100 readings
  • Selectable sampling interval (1second to 10hours)

  • 55mm LCD display with function indicators
  • LCD display backlight
  • Data hold
  • Max hold – displays highest measured value
  • Min hold – displays lowest measured value
  • USB interface for real time transfer of readings to a PC
  • 4mm camera bush for tripod mounting
  • Low battery indicator
  • Auto power off after 15 minutes of no activity
  • Supplied with hard carry case, wind muffler, 3.5mm earphone plug, USB cable (1m), software, AC/DC mains power adapter, battery and 2 year warranty

Technical Specification
Measurement Range 30 to 80dB, 50 to 100dB, 80 to 130dB, 30 to 130dB (auto range)
Applicable Standards N/A
Measurement Parameters Lp, Lmax, Lmin
Resolution 0.1dB
Accuracy ±1.4dB (94dB @ 1KHz)
Frequency Range 31.5Hz to 8 KHz
Frequency Weightings 'A' or 'C'
Time Weightings Fast or Slow
Power 1 x 9V PP3 alkaline battery (LR-61)
Dimensions 252 x 66 x 33mm
Weight 262g
Calibration Options
Traceable Calibration +£75.00 (issued at 2 points) 94dB & 104dB at a frequency of 1Khz