The Metravi ET-99SL Sound Level Meter is a precision instrument designed for measuring sound pressure levels in various environments, ranging from industrial settings to office spaces and environmental monitoring. It is ideal for applications where accurate measurement of noise levels is required, such as workplace safety, environmental noise assessments, sound quality control, and more. With its user-friendly digital display, broad measurement range, and portable design, the ET-99SL ensures reliable and consistent sound measurements.

Key Specifications:

• Model: ET-99SL
• Brand: Metravi
• Measurement Type: Digital Sound Level Meter
• Display: 3-1/2 digit, 1999 counts LCD, providing clear and precise readings of sound levels.

Measurement Capabilities:

• Sound Level Range:
  • Range: 30 dB to 130 dB
  • Resolution: 0.1 dB, offering detailed and accurate sound level readings.
• Accuracy:
  • Typically: ±1.5 dB, ensuring reliable measurements across the entire range, suitable for both professional and general-purpose sound level monitoring.

Features:

• Measurement Range and Response:
  • Broad Dynamic Range: Covers a wide range of sound levels, making it suitable for quiet environments as well as louder industrial settings.
  • Frequency Range: 31.5 Hz to 8 kHz, allowing measurement across a range of frequencies relevant to environmental and occupational noise assessments.
• Digital Display:
  • Clear LCD Screen: Displays sound level readings in large, easy-to-read numbers, making it suitable for use in various lighting conditions.
  • Backlit Display: Enhances visibility in low-light environments, ensuring readings can be easily observed in any setting.
• A-Weighting Filter:
  • A-Weighting Mode: Measures sound levels using an A-weighting filter, which adjusts the measurement to reflect the sensitivity of human hearing, making it ideal for assessing noise that affects people.
• Data Hold Function:
  • Freeze Readings: Allows users to hold the current reading on the display for easier recording and observation during measurements.
• Max/Min Recording:
  • Captures Peak Levels: Records the maximum and minimum sound levels during a measurement session, providing a better understanding of noise fluctuations.
• Auto Power Off:
  • Energy-Saving Feature: Automatically powers off after a period of inactivity to conserve battery life, making it ideal for extended field use.

Power Source:

• Battery Operated: Uses standard batteries for portability, allowing for easy use in various locations.
• Battery Type: Typically powered by a 9V battery.
• Low Battery Indicator: Alerts the user when battery power is low, ensuring the device is ready for use when needed.

Safety and Compliance:

• Durable Design: Built to withstand handling in industrial environments, with a sturdy casing that protects against impacts.
• Compliance: Meets industry standards for sound level measurement devices, ensuring reliable performance for professional applications.

Physical and Design:

• Compact and Lightweight: Ergonomically designed for easy handling, making it suitable for both handheld use and mounting on a tripod for stationary measurements.
• Color: Typically available in a durable, professional-grade finish, such as black.
• Warranty: One year against manufacturing defects, providing assurance of product quality and reliability.

Applications:

The Metravi ET-99SL Sound Level Meter is ideal for a variety of applications, including:

• Workplace Safety: Measures noise levels in factories, construction sites, and other workplaces to ensure compliance with occupational health and safety regulations.
• Environmental Noise Monitoring: Assesses ambient noise levels in residential areas, parks, and urban environments for environmental impact studies and noise control.
• Acoustic Engineering: Useful in designing soundproofing and noise control solutions in buildings, auditoriums, and studios.
• Quality Control in Manufacturing: Measures sound levels of machinery and equipment to ensure they operate within acceptable noise limits.
• Entertainment Venues: Ensures that sound levels in concert halls, theaters, and event spaces are within safe limits for audiences and performers.

The Metravi ET-99SL provides accurate, easy-to-use sound level measurement capabilities, making it a valuable tool for professionals who need to monitor and assess noise levels in a wide range of settings. Its portability, high accuracy, and robust design make it an essential device for anyone involved in noise control, environmental monitoring, and sound quality assessment.