Mini Sound Level Meter with Temperature

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The MT-911A mini digital sound level meter has a wide dynamic range and gives virtually instant readings. It is ideal for quick and easy environmental sound level checks. It features an accuracy of ±2dB, a fixed ‘A’ frequency rating, and the choice of fast or slow time weightings. It also features the environmental temperature on its Hi-Contrast Colour LCD display as well as min/max and data hold functions.

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Product Specification unless deselected above

More Information
Application Educational Use, General Purpose
Measurement Parameters Lmax, Lmin
Class Indicators
Weightings A
Application Noise Level Indicators
Brand ATP
Available Outside the UK? Yes
  • 30mm Colour LCD display with function indicators
  • Display updates every 300ms
  • Backlight for dark environments
  • Data hold
  • Max hold – displays highest measured value
  • Min hold – displays lowest measured value
  • Low battery indicator
  • Auto power off after 15 minutes of no activity (Can be user disabled)
  • Supplied with wind muffler and battery
  • Single Measurement Range: 30 to 130dB
  • Hi-Range >100dB, Lo-Range <100dB
  • 0.1dB Resolution
  • ‘A’ Frequency Weighting
  • Fast 125ms, or Slow 1s time response weighting
  • Precision ½ inch electret condenser microphone
  • Lmax (LAFmax, LASmax)
  • Lmin (LAFMin LASmin)
Sound Temperature

Range: 35 to 135dB

Measurement Parameters: Lp, Lmax, Lmin

Resolution: 0.1dB

Accuracy: +/-2dB (94dB@1Khz)

Freqency Range: 31.5Hz to 8KHz

Frequency Weightings: 'A'

Time Weightings: Fast, Slow

Power: 3 x 1.5V AAA Alkaline Batteries

Dimensions: 144 x 56 x 31mm

Weight: 73g

Range: -20oC to + 70oC

Resolution: 0.1oC

Accuracy: +/- 1.5oC



What's in the Box

MT-911A Mini Digital Sound Level Meter

SL-WM1 Wind Muffler


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