Sound Level Meter MM-SM4023SD – type 2

MM-SM4023SD Sound Level Meter – Type 2 Decibel Logger with SD Card Support

The MM-SM4023SD Sound Level Meter is a professional Type 2 sound measurement instrument designed for accurate, real-time noise monitoring and data logging. Built to meet IEC 61672 Class 2 standards, this device is ideal for occupational health, industrial safety, and environmental noise assessments.

Equipped with an SD memory card slot (card not included), built-in real-time clock, and USB/RS232 interface, the MM-SM4023SD allows for time-stamped data logging from 1 second to 60-minute intervals. Its backlit LCD screen, wide 30–100 dB range, and compact, rugged casing make it a reliable tool for field and on-site measurements.

Key Features

Real-Time SD Card Logging – Captures decibel data at intervals from 1 sec to 60 mins
Built-In Clock & Time Stamp – Adds accurate date and time to each data entry
Wide 30–100dB Range – Covers low to moderate industrial and environmental noise
Backlit LCD Display – Ensures visibility in dim or outdoor conditions
MIN/MAX & Data Hold Functions – Capture sound peaks or freeze readings on screen
Auto or Manual Range Select – Flexibility based on application or environment
Type 2 Accuracy – Complies with IEC 61672 Class 2 standards for regulatory testing
USB/RS232 Interface – Simple data download and PC connectivity
Compact & Durable Housing – Designed for heavy-duty field use
Battery Operated – For remote and off-grid applications

Benefits

Meets Industry Standards
Certified as a Type 2 meter under IEC 61672, this device is suitable for use in regulatory environments, including occupational safety and workplace compliance testing.

Ideal for Long-Term Monitoring
With SD card support and long data storage intervals, the MM-SM4023SD is ideal for extended monitoring in factories, construction zones, or public areas.

Quick Data Analysis
Download logged readings via RS232 or USB to analyse trends, generate reports, or provide documentation for compliance checks.

Versatile for Multiple Applications
Whether you’re conducting environmental noise studies, monitoring machinery sound output, or measuring public noise exposure, this meter adapts to the task.

Easy to Use in the Field
Its compact size, intuitive interface, and built-in backlight make it user-friendly—even for technicians working in varying light or noise conditions.

Technical Specifications

• Measurement Range: 30 dB to 100 dB

• Standard Compliance: IEC 61672 Class 2 / Type 2

• Data Logger: SD card (not included), 1 sec to 60 min logging intervals

• Display: Backlit LCD with real-time updates

• Functions:
  • Data Hold

  • MIN/MAX Capture

  • Auto/Manual Range Selection

  • Real-Time Clock with Time/Date Stamp

• Interface: RS232 / USB

• Power: Battery-operated (batteries not included)

Physical and Dimensional Properties

• Unit Weight: 0.5 kg

• Dimensions: 150 mm × 150 mm × 100 mm

• Housing: Rugged, compact case suitable for field use

Ideal Applications

• Workplace Occupational Safety

• Factory Equipment Noise Monitoring

• Construction Site Assessments

• Environmental Noise Compliance

• Public Area Sound Monitoring

• HVAC and Mechanical Equipment Testing

• Educational or Laboratory Use

How to Use the MM-SM4023SD Sound Level Meter

1. Install Batteries and SD Card – Ensure fresh batteries are installed and insert a compatible SD card.

2. Set Logging Interval – Choose data capture intervals between 1 second and 60 minutes depending on your needs.

3. Position the Device – Place the unit in the area to be measured, ensuring the microphone is unobstructed.

4. Start Logging – Begin recording. The real-time clock will timestamp each entry to the SD card.

5. Download and Review – Use the RS232 or USB interface to download data for review, analysis, or reporting.
   

Always follow the user manual and local noise measurement protocols.

FAQs about MM-SM4023SD Sound Level Meter

1. What is a Type 2 sound level meter?
   A Type 2 meter complies with IEC 61672 Class 2 standards, offering precision suitable for occupational health, noise compliance, and general field use. It’s less sensitive than Type 1 (lab-grade) meters but ideal for practical, real-world environments.
2. Is an SD card included with the unit?
   No. You’ll need to provide your own SD card. Any standard SD card is compatible for data logging.
3. Can I use this for workplace compliance testing?
   Yes. It meets the required accuracy for most workplace noise assessments in Australia, making it suitable for OH&S checks.
4. What power source does it use?
   The unit is battery-powered, allowing it to be used in remote or mobile environments without needing mains power.
5. Can I connect it to a computer for data download?
   Yes. The unit features both RS232 and USB output interfaces for downloading and analysing recorded data.

Order the MM-SM4023SD Sound Level Meter from Power Start

Equip your team with reliable noise monitoring using the MM-SM4023SD Sound Level Meter. With real-time data logging, SD memory support, and professional-grade accuracy, it’s the perfect solution for noise compliance and environmental testing. Order now from Power Start and stay ahead of safety and regulatory standards.

Note: Free shipping does not apply to very heavy items that require skids or pallets.

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