Custom Order Products in 24 Hours

1800 811 818

Introducing ECEFast's
Sensor Range

Explore our sensors now
Sound Level | Test & Measurement Meters | Various Measurement Meters Products


1800 811 818
Custom Quote in 24 hours

Lutron SL4035SD Integrating sound level meter to measure SPL & Leq


Sound level meter with A and C weightings and SLOW FAST response CLASS 2 according to IEC 61672. This meter has the additional feature of signal integration over a programmable interval with calculation of SPL (Sound Pressure Level) and Leq (Equivalent continuous noise level).  The sound logger is part of the Lutron SD series with logging at intervals from 1 second to 3600 seconds and data saved to SD card in EXCEL format, so further analysis can be readily undertaken.

  • Measurement Type: SPL: Sound pressure level or Leq: Equivalent Continuous noise level
  • Measuring Range :30 to 130dB
  • Resolution 0.1dB
  • Frequency :31.5Hz – 8000Hz
  • 5″ standard microphone head.
  • Real time clock – data logged to SD card.
  • Memory function to store Max and Min value
  • Manual recording of data to 99 records
  • Frequency and Time weighting are designed to meet IEC 61672 class 2.


  • The meter with programmable integrating time provides precise linearity over a wide range (100dB) and displays Leq and SPL measurements.
  • A and C weighting network comply with standards. Real time SD memory card Datalogger
  • Min / Max data hold record
  • Auto range 30-130dB and Manual range 30-80 dB, 80-130dB selection
  • Slow weighting for fluctuating noise
  • Fast weighting for normal noise
  • LCD with green light backlight
  • RS232/USB computer interface
  • Frequency and time weighting meet IEC 61672 class 1
  • Sampling rate: 1-3600 seconds
  • Frequency range: 5 to 8,000 Hz.
  • Microphone: 1/2" electric condenser
  • SD memory card: 1GB to 16GB (not included)
  • Power by AA x 6 batteries or DC 9V adapter

Accessories Included:

  • Instruction Manual
  • Hard carrying case, CA-06

Accessories (optional)

  • Lutron Sound Calibrator 1000Hz sound source 94/114 dB, SC942
  • Sound wind shield ball, SB-01.
  • SD Card
  • USB cable, USB-01.
  • RS232 cable, UPCB-02.
  • Data Acquisition software, SW-U801-WIN.
  • AC to DC 9V adapter.
  • Soft carrying case, CA-05A.

Data Sheets




Lutron SL4035SD Integrating sound level meter to measure SPL & Leq