The Lutron SL-4033SD Class 1 sound level meter is an advanced, user-friendly sound level meter designed for precise sound level measurement and real-time data logging. Manufactured by Lutron Electronic, a global leader in measurement technology, this Class 1 noise meter meets IEC 61672 Class 1 standards for frequency and time weighting, ensuring high accuracy in diverse environments. With its innovative SD card data logging feature, the SL-4033SD eliminates the need for additional software—simply remove the SD card and plug it into a computer to download data directly into Excel for analysis.

Ideal for noise meter applications in Singapore’s industrial, occupational, and environmental settings, this Class 1 sound level meter helps ensure compliance with Ministry of Manpower (MOM) regulations and international safety standards. Whether you’re assessing workplace noise, vehicle testing, or community sound levels, the SL-4033SD delivers dependable performance.
Key Features
• Real-Time Data Logging: Saves data directly to an SD memory card (1 GB to 16 GB capacity) with time-stamped readings (year/month/date/hour/minute/second), downloadable to Excel without extra software.
• Wide Measurement Range: Auto range from 30 to 130 dB; manual ranges at 30-80 dB, 50-100 dB, and 80-130 dB for precise control.
• Class 1 Accuracy: Frequency (A/C weighting) and time (fast/slow) weighting meet IEC 61672 Class 1 standards.
• Versatile Functions: Peak hold, data hold, and max/min recording for comprehensive sound analysis.
• User-Friendly Design: Large LCD with green backlight for easy reading, plus RS232/USB computer interface (optional cables).
• Optional Accessory: Wind shield ball (SB-01) available to reduce wind interference during outdoor measurements.
• Portable and Durable: Lightweight design with a robust build, perfect for fieldwork.
Applications
The Lutron SL-4033SD is suited for a variety of noise meter and sound level meter needs:
• Environmental Noise: Assess community and construction site sound levels.
• Vehicle Noise Testing: Monitor noise emissions for compliance and safety.
• Schools and Auditoriums: Ensure acoustic comfort in educational and public spaces.
• Basic Noise Measurements: Versatile class 1 noise meter for general sound level checks.
This meter is an essential solution for professionals seeking accurate, actionable noise data.
Technical Specifications
• Measurement Range:
* Auto: 30 to 130 dB
* Manual: 30-80 dB, 50-100 dB, 80-130 dB
• Frequency Weighting: A and C
• Time Weighting: Fast (125 ms) and Slow (1 s)
• Accuracy: Meets IEC 61672 Class 1
• Sampling Time: Adjustable from 1 second to 3600 seconds (manual logging at 0 seconds)
• Data Logger: SD card (1 GB to 16 GB, not included)
• Interface: RS232/USB (optional cables)
• Display: LCD with green backlight
• Power Supply: 6x AA batteries (1.5V) or DC 9V adapter (optional)
• Weight: Approx. 489g (without batteries)
• Accessories Included: Instruction manual, soft carrying case
Why Choose Enivrex Pte Ltd?
At Enivrex Pte Ltd, we are dedicated to providing high-quality measurement and safety solutions for your business. Partner with us for:
• Competitive pricing and fast delivery across Singapore.
• Calibration and technical support services.
• Trusted products from industry leaders like Lutron Electronic.
Ensure accurate noise monitoring and workplace safety with the Lutron SL-4033SD Class 1 noise meter. Contact us today to learn more!Request a Quote | Order Now | Download Brochure