SLM-814 Digital Sound Pressure Level Meter Noise Decibel 130 dB

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Model: SLM-814


This is a high-precision sound level meter that provides analog signal output and measures sound pressure level with measuring accuracy up to ±2dB. It features a wide measuring range of 40 ~ 130 dB, Bar-Graph Indication, A/C frequency weighting, Fast / Slow response and Maximum Hold function. The meter also provides a wind screen to filter-out unwanted signals. In addition, it has an optional Software CD and USB cable (not included in the set) which can be used as Data Logger to record Noise Data into your PC or Laptop via the USB port. With USB cable attached to the port of the meter and the Software installed to your PC/Laptop, you can view the online test, real time data measurement curve diagram and data input/output and the curve of the noise maps. You can also save and print for later comparison.


Sound level meter can be used for noise projects, quality control, environmental noise control and health monitoring such as: construction, schools, hospitals,shopping malls, theaters, offices, road traffic, family,audio and other occasions, the noise level measurement applications.


This meter meets the International Committee of the IEC651 TYPE2 and the American National Standards ANSIS1.4 TYPE2 as well as the measurement requirements of Safety Engineers, Health, Industrial Safety Offices and Sound Quality control in various environment.


  • Wide measuring range 40 ~ 130dB(decibels)
  • Instantaneous sound measure function
  • Two equivalent weighted sound pressure levels, A and C
  • Max locked function has the maximum value, after the stent-in-one unique, easy to use
  • AC Analog Signed Output for frequency analyzer level recorder or X-Y axis, FFT analyzer, graphic recorder, etc. to do statistical analysis of data logger
  • Fast and Slow dynamic characteristics modes
  • Auto power off function
  • Low-power display or low battery indicator
  • Overload prompts
  • Tripod Mounting option
  • Sound Level Selecting Button Switches
  • Recorded data plotted in Graph be shown on the PC's display window and can be printed
  • Portable, easy to use and handy
  • Passed the high standards of IEC651TYPE 2 & ANSI S1.4 TYPE 2 for sound level meters
  • With OPTIONAL Software CD & USB Cable (not included in the set), for recording date into your PC


  • Sound Level: 40 ~ 130 dB With Level Selecting Button Switches
    • level 1: 40 ~ 70dB
    • level 2: 60 ~ 90dB
    • level 3: 80 ~ 110dB
    • level 4: 100 ~ 130dB
    • level 5: 40 ~ 130dB
  • Accuracy: ±2dB (under reference condition)
  • Measuring Level: 40~130dBA, 40~130dBC
  • Frequency Range: 31.5 Hz ~ 8.5 kHz
  • Linearity/Dynamic Range: 30dB
  • Frequency weighting: A and C features
  • Digital LCD: 45 x 35mm with 4 digits
  • Resolution: 0.1dB
  • Display: 0.5 secretary
  • Sampling Rate: 2 times/second
  • Dynamic Characteristic (Time weighting):FAST (high speed) / SLOW (low speed)
  • 1 bar graph represents 1dB in the Analog Bar Graph
  • Bar Graph: 50dB scale at 1dB step for monitoring current sound pressure level display period of 50mS
  • Level Ranges: 40 ~ 70dB, 60 ~ 90dB,80 ~ 110dB, 100 ~ 130dB, 40 ~ 130dB
  • Load indication: Use the symbol OVER(indicating over range) and UNDER (indicating less than lower limit of the range)
  • AC output: 0.707 Vrms at FS output impedance approx. 600Ω
  • Microphone: 1/2 inch electret condenser microphone
  • Maximum Hold
  • Working Environment
    • Temperature: 0~40°C (32~104°F)
    • Humidity: 10~70% RH
  • Storage Environment
    • Temperature: -10~50°C (14~122°F)
    • Humidity: 10~80% RH
  • Dimension: 235 x 70 x 30mm
  • Weight: approx. 380g
  • Power Supply: 6F22 9V alkaline cells/battery or DC 9V 100mA


Set Includes

  • 1 x Professional Sound Level Meter
  • 1 x Sponge Ball r Windscreen
  • 1 x 9V 6F22 Battery
  • 1 x Instruction Manual
  • Standard factory package 

Optional Item (not included in set)
          Please click here to buy this optional item Software CD and USB Cable
or you may contact us at sales(at) if you want an optional items to be included in your order

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