List of products by brand Larson Davis

Larson Davis (LD) was founded in 1981, as a manufacturer of precision acoustic test and vibration measurement instrumentation. In 1999, Larson Davis became a division of PCB Piezotronics, Inc. (, a wholly owned subsidiary of MTS Systems Corporation, with manufacturing and engineering in Provo, Utah and sales and marketing in Depew, New York. LD has grown into a globally recognized source for seamless sound and vibration systems with the PCB® guarantee of Total Customer Satisfaction.

Larson Davis core competencies include sound level meters; human vibration meters; dosimeters; calibrators; audiometric calibration systems; microphones and accessories; software products; and acoustic test systems. Larson Davis products are used for audiometer calibration; building acoustics, environmental noise and community noise monitoring; industrial hygiene, worker hearing conversation, and hand-arm, whole body and general vibration measurement.

Showing 1-12 of 14 item(s)
Showing 1-12 of 14 item(s)

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

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
  • With METAS, PTB approval Class 1

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


  • Battery powered Mikrofonkalibrator
  • Sound level 114 dB.
  • Frequency 250 Hz,.
  • complies with IEC 60942-2017 standard (class 1)

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


  • 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


  • Microphone Protection in any weather,
  • Use with any 1/2 inch microphone and preamplifier,
  • Built in water repellent barrier (rain has),
  • Flexible mounting options,
  • Easy microphone calibration,
  • Optional desiccants
  • Fully characterized with
    - 0 °, 90°, and random response
    - wind noise reduction

    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