About Sound expert sound level meter with octave CLASS-1
SoundExpert Sound Level Meter Series 821ENV is a powerful tool for noise level measurement. Whether making handheld sound level measurements or measuring environmental noise for several weeks, the user-friendly interface, extended battery life, and advanced features make SoundExpert and excellent choice for a wide range of users.
HIGHLIGHTSAutomatic data download via Bluetooth or USBRecord audio when levels exceeduser-defined thresholds with optional event sound recordingFlexible powering options, including wireless charging and 12 V batteryOptional octave band analysis and NC/RC ratings availableRemovable preamplifier can be used with up to 200 ft (60 m) cableReady to measure in seconds with quick boot timeLanguages supported: English, Franais, Italiano, Portugus, EspaolIncludes valid ISO 17025 compliant calibration certificate
WIRELESS WORKER NOISE MEASUREMENTS
IN EXPLOSIVE ENVIRONMENTS
The Spartan Intrinsically Safe Noise Dosimeter Model 730ISis designed to safely make noise exposure measurements, even for workers in explosive environments, such as those found in the petrochemical industry and pharmaceutical manufacturing. Simple design and intuitive setup make getting worker noise dose measurements easy and fast. With Spartan-IS, control test setup and measurements either on the device itself or directly from the Larson Davis Atlas mobile app. All essential tasks can be completed from your iOS or Android device. LD Atlas offers interference-free monitoring using low-energy Bluetooth, ensuring that you get the valuable data you need the first time. When a test is complete, Spartan-IS communicates with LD Atlas to download the data, which is viewable directly from a phone or tablet. Generate reports, including the full data file, from the mobile interface before sharing via email. For high security,radio-free zones, option 730-NBT without Bluetooth is available and allows setup and data download through G4 LD Utility software via a USB connection.
Precision Meets ReliabilityThis sound level meter delivers accuracy up to 0.1 dB, covering a broad measuring range from 20 dB to 140 dB and frequencies from 10 Hz to 20 kHz. The device is Class 1 compliant, ensuring its suitability for regulatory and professional applications like workplace and environmental monitoring.
Versatile Data Logging and StorageWith internal memory and microSD card support, this meter enables seamless data capture, storage, and transfer. Real-time monitoring, octave analysis, and semi-automatic data recording streamline reporting tasks. Optional Bluetooth communication further enhances data management flexibility.
User-Friendly and Durable DesignEquipped with a high-resolution touchscreen, intuitive manual controls, and voice annotation, the device is crafted for ease of use. Its IP54 enclosure protection, robust carrying case, and rechargeable battery guarantee long-lasting performance in varied environments.
FAQ's of Sound expert sound level meter with octave CLASS-1:
Q: How do I calibrate the Sound Expert Sound Level Meter with Octave Class-1?
A: Calibration is easily performed using an electroacoustic calibrator compatible with the 1/2" pre-polarized condenser microphone. This ensures precise and reliable sound level measurements every time.
Q: What environments and applications can this sound level meter be used for?
A: Designed to meet IEC 61672-1 and ANSI S1.4 Class 1 standards, this meter is ideal for environmental noise measurements, workplace monitoring, building acoustics, and other professional sound measurement applications.
Q: When should I use the real-time data logging feature, and what are its benefits?
A: Real-time data logging is recommended during extended measurement sessions or regulatory compliance surveys. This feature enables continuous recording, facilitating detailed analysis and comprehensive reporting after the test.
Q: Where does the device store recorded data and what options do I have for data transfer?
A: Measurements and recordings are stored internally and can be expanded via a microSD card. Data can be transferred easily using the USB interface or, for models with this feature, via Bluetooth connectivity.
Q: What is the process for annotating measurements with voice notes?
A: Voice annotation functionality allows users to attach audio comments directly during measurement sessions, providing context or observations for future reference-ideal for complex projects requiring thorough documentation.
Q: How is the meter powered, and what is the battery life?
A: The meter is powered by a rechargeable Li-ion battery, delivering up to 12 hours of continuous use. It can be recharged conveniently using the included USB power adapter, ensuring reliable operation throughout the day.
Q: What are the main benefits of using this Class-1 sound level meter for professional assessments?
A: The device offers high accuracy, flexible storage options, advanced analysis capabilities, and rugged construction. These features together provide comprehensive, reliable assessments for demanding noise monitoring environments.