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Larson Davis
Sound Level Meters Model 831

Sound Level Meters Model 831

Product catalog summary

Overview: The Model 831 Sound Level Meter by Larson Davis is designed for environmental noise measurement, offering advanced features such as USB power, extensive data storage, and remote access. Its ergonomic design supports one-handed operation and compatibility with various microphones, including weather-resistant options for unattended monitoring.

Key Features:

Exceedance Based Logging and Audio/Voice Recording with Replay.
Multiple communication options, including GPRS.
2 GB data storage capacity, including audio files.
Real-time 1/1 and 1/3 octave analysis.

Specifications:

Precision integrating sound level meter, ANSI S1.4 type 1, IEC 61672 class 1.
Measurement range from 20 to 140 dB SPL.
120 MB standard data memory, expandable to 2 GB.
160 x 240 graphic LCD display with backlight.
Detectors include linear, slow, fast, impulse, and peak.
Frequency weighting options: A, C, Z.
Ln statistics and histogram tables available.
Exceedance history with programmable triggers.
Voice annotation and digital audio recording capabilities.
Detachable preamplifier with up to 30m microphone extension.
Battery life up to 12 hours with 4 AA batteries.
Dust tight (IP53) durable plastic case with tripod mount.
USB 2.0 port and AUX control connector for various devices.

Additional Information: The Model 831 is backed by Larson Davis's commitment to customer satisfaction, offering toll-free support and a satisfaction guarantee. It is ISO 9001:2000 certified and includes utility software for setup and data management.

Catalog excerpts

Model 831 is the newest Sound Level Meter fromLarson Davis with capabilities not found in other meters: USB powered, ANY LEVEL > TM datarepresentation, huge data storage, and remote access technologies that fit your ֓real life needs and expectations. The rugged, ergonomic design is ideal for one-handed operation, right or left.The 831 can be used with a complete range ofmicrophones and preamplifiers including weather-resistant units for unattended and semi-permanent monitoring applications.As with all Larson Davis equipment, this productis complemented with toll free applications assistance, 24-hour customer service, and is backed by a no-risk policy that guarantees satisfaction or your money refunded. > Acoustic Test Products Group size="-1">

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✓ Precision integrating sound level meter, ANSI S1.4 type 1,IEC 61672 class 1 ✓ Jack for AC/DC output or Headset microphone and speaker ✓ Voice annotation recording with playback, from headset or measurement microphone ✓ Single measurement range from 20 to 140 dB SPL ✓ 120 MB standard data memory, expands up to 2GB ✓ Digital audio recording of events and interval start ✓ 160 x 240 graphic LCD display with backlight and icon driven user interface ✓ Detachable preamplifier with up to 30m (100 feet) microphone extension cable (full scale to 20 kHz) ✓ Elastomeric illuminated keypad with Quiet TouchӔ...

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