Manual / Auto Ranging Sound Level Meter

SKU: ASL-8928


The ASL-8928 is a proven favourite and one of our oldest and most reliable sound level meters. It features 5 selectable measurement ranges (4 manual, 1 auto). Offering selectable A’ and ‘C’ frequency weightings at the touch of a button and fast or slow time weightings it is exceptional value for money. An extra-large LCD display, simple function buttons and simple operation make it easy to use.

  • 5 measurement ranges:
    • 40 to 70dB
    • 60 to 90dB
    • 80 to 110dB
    • 100 to 130dB
    • 40 to 130dB (auto ranging)
    • Over / under range indicator
  • 1dB resolution
  • Selectable ‘A’ or ‘C’ frequency weightings
  • Selectable fast (125ms) or slow (1s) time weighting
  • Electret condenser microphone
  • Lmax (LAFmax, LASmax, LCFmax, LCSmax)
  • Lmin (LAFmin, LASmin, LCFmin, LCSmin)
  • 42mm LCD display with function indicators and bargraph
  • Bargraph in 1dB steps updated every 40ms
  • Display updates every 0.5 seconds
  • Max hold – displays highest measured value
  • Min/Max memory
  • Low battery indicator
  • Auto power off
  • Supplied with battery

Technical Specification

Range 40 to 70dB, 60 to 90dB, 80 to 110dB, 100 to 130dB, 40 to 130dB
Resolution 0.1dB, 1dB (bargraph)
Accuracy ±2dB (94dB @ 1 Khz)
Frequency Range 31.5Hz - 8Khz
Frequency Weightings 'A' or 'C'
Time Weightings Fast or Slow
Power 1 x 9V PP3 alkaline battery (LR-61)
Dimensions 180 x 72 x 30mm
Weight 184g

Calibration Options

A calibration service can be purchased for this unit. Once the Service has been performed a certificate of calibration is produced and dispatched with your order. Calibration Services are performed on receipt of your order and as such will delay shipping. Details and options are outlined below.

Traceable Calibration (Sound) Price
Issued at 12 points: 94dB at A & C, Fast & Slow, Hi & Lo Range
104dB at A & C, Fast & Slow, Hi Range
Traceable certification is adequate for most applications and meets the calibration requirements of ISO 9001. All measurements contained in this type of certification are traceable back to National UKAS Standards.

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