Sound level measurement / monitoring since 1981 offers Larson Davis...

Sound level measurement / monitoring

Since 1981, Larson Davis offers sound level measurement and monitoring systems. Founded initially as an independent company in Utah, Larson Davis was taken over by PCB Piezotronics in 1999 and became a fully integrated division. The experienced employees in Utah are still responsible for the development and manufacture of products. 

Showing 1-11 of 11 item(s)
Showing 1-11 of 11 item(s)

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Wireless Noise Dosimeter Spartan 730

  • Wireless charging and Bluetooth low-energy 4.1 communication
  • Full control and live monitoring via LD Atlas app
  • Automatically connect and download data via G4 LD Utility software without human intervention
  • Optional Event Sound Recording (730-ESR)
  • Optional 1/1 Octave filters (730-OB1)
  • Compliance to OSHA, MSHA, ACGIH, and ISO 9612
  • EU Directive 2003/10/EC compliance

Precision sound level meter LD-831 C.

  • Class 1 precision sound level meters (IEC 61672-1: 2013, ANSI S1. 4-2014),
  • High resolution LCD colour display,
  • Real time-frequency analysis in 1/1 and 1/3 octave bands IEC 61260:2014 and ANSI S1. 11-2014 class 1,
  • Frequency weighting: A, C, Z at the same time,
  • Voice & sound recording
  • 2 GB of internal memory, expandable via USB,
  • Data sharing and remote control via 4 G, WiFi or LAN

Microphone power supply model 2221

  • adjustable gain 0... + 40 dB in 10 dB steps
  • fine adjustment 0 dB... + 10 dB
  • 0 & 200V polarizing voltage
  • low noise and wide bandwidth
  • signal
  • A / C / LIN frequency weighting
  • 7-pin microphone connector LEMO®
  • IEC 61672-1 compliant

Noise dosimeter spark 705 / 705+

  • extremely light and compact
  • good mounting acceptance
  • without buttons, is completely via PC set
  • Long term registration takes place in the 1 MB memory
  • investigation of noise exposure at work
  • "covert" noise measurement
  • Software"Blaze"

DNA software

  • Download of data from the instruments or the USB stick (Flash memory).
  • Representation of as many "live" data indicators,
  • Graphics as 1/1, 1/3, 1/12, 1/24 octave or FFT and zoom-FFT, SLM level histories and level statistics,
  • Create "Templates" for quick report generation,
  • Integration of text, graphics, images and OLE objects (Excel, Word, sound,...) in the report.

Human vibration meter HVM200

  • Hand arm vibration measurement according to ISO 5349
  • Whole-body vibration measurement according to ISO 2631
  • versatile miniature vibration data logger
  • simultaneously measures in 3 directions according to ISO 8041
  • Micro SD Flash memory up to 32 GB
  • USB 2.0 micro (type B) port
  • integrated WiFi with WPA2 encryption
  • "Hotspot" feature provides accessibility on the move

Noise dosimeters spark 703 / 706

  • 190 gr. Lightweight and compact
  • Optional (706) or without (703) keyboard and display
  • 100h long time registration in the 1 MB memory
  • IrDA infrared interface
  • Intelligent remote control with IrDA interface (opt.)
  • Software"Blaze"
  • Model 706RC as a data collector

Precision sound level meter LD SoundTrack LxT

  • High ergonomics (operation with one hand possible),
  • 30 hours with AA lithium batteries,
  • Large, high-contrast display,
  • Real time-frequency analysis in octaves & thirds,
  • Compact and lightweight,.
  • Extremely robust,
  • Multilingual menu,
  • standards IEC 60651, IEC 60804, IEC 61260, IEC 61672,
  • With METAS, PTB approval class 1

LD-NoiseTutor

  • Rapid deployment,.
  • Emailed reports and event notification,
  • Full data for advanced analysis
  • Web publication made easy,.
  • Leverage existing infrastructure.
  • Remote administration,.
  • User control of system and data

Precision sound level meter-LD-SoundExpert LxT

  • Integrating precision sound level meter of class 1,
  • Octave and octave bands
  • 2 GB of internal, nonvolatile memory,
  • Data recording with selectable parameters and adjustable sampling rate,
  • Measurement history serves as a second additional data logger next to the time course of the reading,
  • LCD and LED-backlit display,
  • USB communication
  • With METAS, PTB approval class 1

Precision sound level meter LD-831

  • Integrating precision sound level meter,
  • LCD display with high contrast,
  • Time reviews: Slow, fast pulse, integration, and peak at the same time,
  • Frequency weighting: A, C, Z at the same time (AnyData),.
  • Octave and octave band frequency analysis,
  • Voice commentary & sound recording
  • standards IEC 60651, IEC 60804, IEC 61260, IEC 61672,
  • With METAS, PTB approval class 1