Digital Sound Level Meter - SL- 4005

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Title: SL 4005
Rs. 3,840 Rs. 6,284

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  • The sound level meter measures the sound level on a logarithmic scale.
  • There is a diaphragm in the microphone that responds to changes in air pressure caused by sound waves.
  • This sound pressure is converted into a logarithmic scale and displayed.
  • Sound level meters are commonly used in noise pollution studies for the quantification of different kinds of noise, especially for industrial, environmental, mining, and aircraft noise.


       Features :

  •  Data storage
  •  Built-in calibration mode
  •  A,C & F frequency weightings
  •  Measuring level and time level selection



Model Model SL 4005
Microphone 1/2 inch electret condenser machine
Measuring range
LP : 30 ~ 130dBA, 35 ~ 130dBC, 35 ~ 130dBF; Leq : 30 ~ 130dB; LN : 0 - 100%
Accuracy ±1dB
Frequency range 20 Hz ~ 12.5 kHz
Calibration Built in 94dB at 1kHz(sinusoidal)
Alarm value set 30 ~ 130dB Linearity
Linearity range 50dB
Frequency weighting A, C & F(flat)
Resolution 0.1dB
Data storage 30 groups
Time weighting selection Fast / slow
Sampling frequency 2 times / sec
Power 1.5V AAA batteries
Size and weight 236 x 63 x 26mm, 170g
Standard accessories Main unit, manual, battery, hard carry case
Optional accessories PC interface

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