SL-4033SD Class 1 Sound Level Meter

Product Overview

The Lutron SL-4033 SD Class 1 Sound Level Meter is a high-precision noise meter designed for professional environmental and occupational noise monitoring in Singapore. Built by Lutron Electronic, this advanced instrument complies with IEC 61672 Class 1 standards,ensuring accuracy for both regulatory compliance and technical applications.

Equipped with real-time SD card data logging, the SL-4033 SD allows users to save time-stamped measurements directly to an SD card (1 GB–16GB). Data can be transferred easily into Excel no additional software is required.

Whether you are conducting MOM-compliant workplace noise monitoring,community noise assessments, or vehicle noise testing, this Class 1 sound level meter delivers reliable performance that meets both Singapore standards and international best practices.

Key Features

Real - Time Data Logging

Records results directly to an SD memory card with date/time stamps, compatible with Excel.

Wide Measurement Range

Auto (30–130 dB) or manual ranges (30–80 dB,50–100 dB, 80–130 dB)

Class 1 Accuracy

Meets IEC 61672 Class 1 standards for both frequency (A/Cweighting) and time (Fast/Slow) weighting

Versatile Functions

Peak Hold, Max/Min, and Data Hold functions for comprehensive sound analysis.

User - Friendly Design

Large LCD with back light for clear readings, plus optional RS232/USB interface for PC connectivity.

Outdoor Ready

Optional windshield ball (SB- 01) reduces wind interference during environmental noise surveys.

Portable & Durable

Lightweight, robust, and ideal for field applications.

Technical Specifications

Measurement Range – Auto 30–130 dB; Manual 30–80 / 50–100 / 80–130 dB
Frequency Weighting – A & C
Time Weighting – Fast (125 ms) & Slow (1 s)
Accuracy – IEC 61672 Class 1 compliant
Sampling Time – 1 sec to 3600 sec adjustable
Data Logger – SD card (1 GB–16GB, sold separately)
Interface – RS232 / USB (optional cables)
Display – LCD with green backlight
Power Supply – 6x AA batteries or DC 9V adapter (optional)
Weight – Approx. 489 g (without batteries)
Accessories – Instruction manual, soft carrying case

Why Choose Pro - Tec Geosystems Pte Ltd?

At Pro-Tec Geosystems, we provide reliable safety and monitoring solutions tailored to Singapore’s regulatory requirements. When you purchase with us, you benefit from:

Ensure accurate noise monitoring and stay compliant with MOM regulations using the Lutron SL-4033 SD Class 1 Sound Level Meter.