SL 4001

Digital Sound Level meter with A weighting, upto 130dB measuring range and analog bar graph, rugged body, Type C charging

Features:
  • Color screen with negative display for better readability
  • Ambient temperature and humidity measurement
  • Bar-graph display
  • Max/ min reading and data hold
  • Time weighting level selection.
  • Type C charging
  • English and Hindi Manual


Applications:

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. 


Measuring Principle:

Sound level meter measures the sound level in logarithmic scale. There is a diaphragm in the microphone which responds to changes in air pressure caused by sound waves. This sound pressure is converted into logarithmic scale and displayed.  

Model

Metrix+ SL 4001

Microphone

6mm condenser microphone

Measuring range

30 ~ 130dB (A)

Accuracy

±1.5dB(sound pressure std, 94dB @ 1KHz)

Frequency range

31.5 Hz ~ 8.5 kHz

Dynamic range

3.50dB

Overload Indication

"OVER" and "UNDER" symbols indication

Frequency weighting

A

Digital display

4-digit, resolution 0.1dB, sampling rate 2 times/sec

Bar graph display

Each analog bar represents 1dB, sampling rate 20times/sec

Power

600Mah/3.7V lithium battery, Type C charging

Automatic power off

After 15mins of no activity

Standard accessories

Main unit, manual, charging cable; gift box packing

Catalogue: Catalogue

Full Operational Video: