Lutron SL-4033SD Sound Level Meter with Calibrator

100 in stock


Lutron SL-4033SD Sound Level Meter with Calibrator is equipped with an external calibrator and provides precise measurements of sound levels in various environments. Its compact design and user-friendly interface make it ideal for both professionals and enthusiasts in fields such as environmental monitoring, industrial safety, and acoustic engineering.

Applications: Industrials, Schools, Noise at Work/Occupational Noise and Environmental and Community Noise, Vehicle Noise Testing as well as basic noise measurements, Amphi Theater, Auditorium, Library.

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Lutron SL-4033SD Sound Level Meter with Calibrator is a tool for measuring sound pressure levels. It complies with IEC 61672 Class 1 specifications, guaranteeing high measurement accuracy. The meter boasts a wide measurement range of 30 to 130 dB, along with A and C weighting options to cater to different noise assessment needs. A weighting is commonly used for evaluating environmental noise, while C weighting is better suited for capturing the full range of sound frequencies. This sound level meter features a built-in data logger that can store readings on an SD card (up to 16GB) for later analysis using software like Excel. It also includes a hold function to freeze the current reading and a peak hold function to capture the maximum sound level. The large LCD with a green backlight ensures clear visibility of readings in various lighting conditions

Features of Lutron SL-4033SD Sound Level Meter with Calibrator 

  • Use to calibrate the ” Sound Level meter ” precisely
  • This calibrator Suitable for 0.5 & 1-inch microphone
  • Built-in over input protection.
  • Peak hold, Data hold.
  • SD card capacity: 1 GB to 16 GB.
  • Durable bench-type housing case

Additional information

Weight 1 kg


Sound Range

30 to 130 dB


± 2.0 dB to ± 3.5 dB


0.1 dB


31.5 to 16 KHz.

Operating Temperature

0 to 50℃

Operating Humidity

< 85 % RH


SD memory card. 1 GB to 16 GB.

Microphone type

Electric condenser microphone.


Custom one-chip of micro-processor LSI circuit.

Sample Time

Approx 1 sec

Power Supply

AAlkaline or heavy duty DC 1.5 V battery ( UM3, AA ) x 6 PCs, or equivalent


245 X 68 X 45 mm


489 Grams

Calibrator Specifications

Sound Calibrator Specifications


1000 Hz ± 2 %

Sound Pressure Level

94 dB ± 0.8 dB.

Suitable Microphone Type

0.5 inch or 1 inch microphone.

Total harmonic distortion

± 2 %


According IEC942, Class 2

Power Supply

Heavy duty or Alkaline type, DC 9V battery. 006P, MN1604 ( PP3 ) or equivalent, 2 PCs

Power Consumption

Approx. DC 7 mA.


Dia 50 mm ( round ) x 145 mm ( length )

Calibrator Weight

Approx. 350 g

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Lutron SL-4033SD Sound Level Meter with Calibrator

Lutron SL-4033SD Sound Level Meter with Calibrator