Scarlet ST-12D Professional Class 1 Sound Level Meter

Key Features:

Class 1 Accuracy Compliance: Adheres to IEC 61672-1 Class 1 standards, ensuring high-precision sound level measurement for professional and legal applications.
Wide Frequency Range: Measures sound frequencies from 10 Hz to 20 kHz, suitable for environmental, industrial, and occupational noise assessments.
High Dynamic Range: Supports a measurement range from 20 dB to 140 dB, ideal for both quiet and high-noise environments.
Large LCD Display: Easy-to-read backlit LCD screen with real-time decibel readings, time history, and statistical analysis.
Data Logging & Storage: Built-in memory with USB interface for data logging, download, and analysis, perfect for reporting and documentation.
Frequency Weighting Filters: Includes A, C, and Z weightings for flexible and accurate sound analysis depending on use case.
Time Weightings: Supports Fast, Slow, and Impulse response times for detailed dynamic sound behavior monitoring.
Built-In Calibration: Equipped with auto or manual calibration function for reliable and consistent performance.
Tripod Mountable: Includes standard tripod thread for hands-free long-term monitoring during field surveys.
Battery & Power Options: Long-lasting battery life with optional AC power adapter for extended usage.
Compact & Portable Design: Rugged and lightweight housing ideal for on-site field measurements in various industries.

Key Technical Specifications:

Standards Compliance:
IEC 61672-1 Class 1, ANSI S1.4 Type 1 – for precision-grade sound level measurements in professional and legal applications.

Measurement Range:

Level Range: 20 dB to 140 dB
Frequency Range: 10 Hz to 20 kHz – ideal for both low and high-frequency sound analysis.

Frequency Weighting:
A, C, and Z weighting filters – tailored for environmental noise, occupational safety, and customized sound analysis.

Display:

High-resolution backlit LCD display
Real-time dB level display with bar graph
Time history and statistical view (Lmin, Lmax, Leq, etc.)

Microphone:
½-inch pre-polarized condenser microphone with high sensitivity and low noise floor.

Data Logging:

Internal memory for data storage
USB interface for data transfer and analysis
Logging interval: Adjustable (1s to 1hr)

Calibration:
Built-in calibration function
Compatible with standard acoustic calibrators (94 dB/114 dB)

Power Supply:

4 x AA alkaline batteries
External power supply (USB type-C adapter): 5V, 1A

Operating Environment:

Working temperature: -20 ~ 60 ℃
Relative humidity: 20% ~ 90%

Dimensions & Weight:

Compact ergonomic design
Approx. 250 × 76 × 33mm
Weight: ~340g(including battery)

Mounting Options:
Standard tripod mount compatible for stationary environmental monitoring.

Software Compatibility:
Supplied with PC software for data review, report generation, and graph plotting.

For B2B Inquiries :

Please send your E-Mail to info@dotearth.ae, and one of our sales associate will contact you.

Tel : 02 665 1126