
( Brand: Matsushita ), ( Manufacturer Part Number: VP-9690A ), ( Model: NATIONAL ), ( Type: Noise Meter )
The VP-9690A Noise Meter, manufactured by National Matsushita, is a high-precision, versatile, and user-friendly device designed for measuring noise levels in various environments. This noise meter is a reliable tool for professionals and enthusiasts alike, offering an array of features that ensure accurate and reliable readings.
The VP-9690A features a large, easy-to-read LCD display with backlighting, allowing for clear visibility even in dimly lit conditions. The display shows the current noise level in decibels (dB), as well as the frequency (Hz) and time-weighted average (TWA) readings. The meter also includes a Leq (equivalent continuous sound level) function, which is useful for assessing the noise exposure over a specific period of time.
The VP-9690A is equipped with four measurement modes: A-weighted, C-weighted, and Z-weighted sound level, as well as a free-field mode. A-weighted measurement is commonly used for environmental noise assessments, while C-weighted and Z-weighted measurements are used for industrial and occupational noise measurements. The free-field mode is ideal for measuring sound levels in open spaces, such as outdoors or in large rooms.
This noise meter is also equipped with a built-in microphone, which is designed for high sensitivity and low-frequency response. Additionally, the VP-9690A includes an external microphone jack for use with more specialized microphones. The device also features a built-in sound level recorder, allowing users to save and review noise level data for later analysis.
The VP-9690A is compact and lightweight, making it easy to carry around and use in various locations. The meter is also equipped with a long-lasting rechargeable battery, ensuring that it can be used for extended periods of time without needing to be recharged. The device is also rugged and water-resistant, making it suitable for use in harsh environments.
In conclusion, the VP-9690A Noise Meter is a powerful and versatile tool for measuring noise levels in various environments. Its large LCD display, multiple measurement modes, built-in microphone, sound level recorder, and compact design make it an ideal choice for professionals and enthusiasts alike. Its rugged construction and long-lasting battery ensure that it can be used in a variety of conditions, making it a reliable and indispensable tool for anyone who needs to measure noise levels accurately and reliably.
Pros of buying a VP-9690A National Matsushita Noise Meter:1. High Accuracy: This noise meter is known for its high accuracy, making it ideal for professional use in various industries such as construction, manufacturing, and environmental monitoring.
2. Wide Measuring Range: The VP-9690A can measure sound levels from as low as 30 dB to as high as 130 dB, making it versatile for a wide range of noise levels.
3. Multiple Measurement Modes: It offers multiple measurement modes, including A-weighted, C-weighted, and Z-weighted, which allows for different types of noise analysis.
4. Data Logging: The device has a data logging function that allows you to record and store sound level data for future analysis.
5. Rugged Construction: The VP-9690A is built with a rugged construction, making it suitable for use in harsh environments.
Cons of buying a VP-9690A National Matsushita Noise Meter:1. High Price: Compared to other noise meters on the market, the VP-9690A is quite expensive, making it a significant investment for some users.
2. Complex User Interface: The device has a complex user interface that may be challenging for users who are not familiar with noise meters.
3. Requires Calibration: Like any professional-grade noise meter, the VP-9690A requires regular calibration to ensure accurate readings.
Conclusion:If you require a high-accuracy noise meter for professional use, the VP-9690A National Matsushita Noise Meter is a great option. Its wide measuring range, multiple measurement modes, and data logging function make it a versatile tool for various applications. However, its high price and complex user interface may be a turnoff for some users. If you are looking for a more affordable option with a simpler user interface, there are other noise meters available on the market that may meet your needs.
Recommendation:If you can afford the investment and have the necessary technical skills to operate the device, the VP-9690A National Matsushita Noise Meter is an excellent choice for professional use. Its high accuracy and versatility make it a valuable tool for various industries. If you are looking for a more affordable option, I recommend researching other noise meters with similar features to find one that fits your budget and needs.
National Matsushita noise meter VP-9690A.