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Extech 407732 Low/High Range Sound Level Meter
Description : The Extech 407732 Low/High Range Sound Level Meter is a device designed to measure sound levels in various environments. Made by Extech Instruments, a well-known manufacturer in the field of test and measurement tools, this sound level meter is often used in various applications ranging from workplace noise assessments to environmental noise studies.
Here are some features and specifications of the Extech 407732 :
Dual Range: The device typically has a dual range capability to measure low sound levels (like in quiet offices) and high sound levels (like in industrial environments).
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- Low range: 35 to 100 dB
- High range: 65 to 130 dB
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Frequency Range: The frequency range of the meter usually spans from 31.5 Hz to 8 kHz.
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Accuracy: The device typically has an accuracy of ±1.5 dB, which is respectable for many applications.
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Microphone: The Extech 407732 usually features an electret condenser microphone.
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Display: Many models feature a digital LCD with a resolution of 0.1 dB for clear readings.
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Time Weighting & Frequency Weighting: These are important features in sound level meters. The Extech 407732 usually provides 'A' and 'C' frequency weighting options and 'Fast' and 'Slow' response settings.
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Analog Output: For connection to chart recorders and other devices.
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Battery: It's commonly powered by a 9V battery.
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Calibration: Many models offer easy calibration using an acoustic calibrator.
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Data Hold and Max Hold Functions: These features allow the user to freeze the current reading on the display and also capture and display the maximum value observed during a measurement.
Applications for the Extech 407732 Sound Level Meter include:
- Monitoring environmental noise.
- Ensuring compliance with local noise ordinances.
- Assessing noise exposure in the workplace.
- Testing the acoustics of studios or theaters.
- Evaluating the effectiveness of noise-reducing measures or products.