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.

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Showing 1-12 of 12 item(s)

SoundExpert® Sound Level Meter LD-821ENV

Class 1 or 2 precision sound level meter ANSI S1.4-2014 Class 1 IEC 61672-1:2013 Class 1
Large responsive touch display
Long battery life – up to 40 hours
Automatic data download via Bluetooth or USB options
Flexible powering options, including wireless charging

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

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"
METAS-approved class 2!
Model 706RC as a data collector

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.
RT-60 with backward Schroeder Integration
ISO 10140, ISO140, ISO 16283, ISO 717
ASTM E336, ASTM E966, ASTM E1007

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

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

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

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

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 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