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Acoustic Accessories

For Precision Acoustic Measurments

 

SLM Options
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Additional Options for Sound Level Meters

SEN031

Combined weather sensor: wind speed and direction, temperature, humidity, pressure, rainfall.  For use with 831 only.

831-GPS

Includes Global Positioning information with measurements, for fixed or roving tests. Connects via auxilary USB input.  For use with 831 only.

CCS001-831-4

Free! Renting multiple 831 or LxT meters? Request they be put into this multi - case to save on shipping. This rugged case holds 4 meters, mics, preamps, and a calibrator.

SWW DNA

Data Navigation and Analysis software allows advanced tools to analyze and report data: organization tools for templates, graphics and measurements

Adaptors
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Microphone to preamplifier adaptors

ADP043

1/4" microphone to 1/2" preamplifier adaptor

ADP009

1/2" microphone to 1/4" preamplifier adaptor

ADP008

1" microphone to 1/2" preamplifier adaptor

ADP005

BNC to 1/2" microphone thread adaptor, 18pF with shorting cap

Calibration
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Calibration devices and adaptors

CAL200

CAL200
full specs

  • Constant 1kHz (±1%) frequency
  • Selectable 94dB or 114dB (±2dB) re: 20µPa SPL
  • 1/2" opening
  • Operates on 9V battery
  • IEC 60942-1:2003 Class 1 compliant

Rental Includes:
Battery - 9V battery
Calibration - Traceable calibration certification

ADP024

1/4" microphone adaptor for 1/2" acoustic calibrators

Used to adapt CAL200 opening for use with 1/4" array and precision microphones

ADP031

3/8" microphone adaptor for 1/2" acoustic calibrators

Used to adapt CAL200 opening for use with 3/8" microphones

CAL250

CAL250
full specs

  • Constant 251.2Hz (±2Hz) frequency
  • 114dB (±01dB) re: 20µPa SPL
  • 1" opening
  • Operates on 9V battery
  • IEC 60942-1:2003 Class 1 compliant

Rental Includes:
Battery - 9V battery
ADP019 - 1" to 1/2" microphone adaptor
Calibration - Traceable calibration certification

ADP019

ADP019

1/2" microphone adaptor for 1" acoustic calibrators

Used to adapt CAL250 opening for use with 1/2" microphones

 

ADP021

1/4" microphone adaptor for 1" acoustic calibrators

Used to adapt CAL250 opening for use with 1/4" microphones

394A40

394A40 Pistonphone
full specs

  • Constant 250Hz (±0.5%) frequency
  • 114dB (±0.08dB) re: 20µPa SPL
  • 1" opening
  • Operates on four AA batteries
  • IEC 60942-1:2003 Class 1 compliant

Rental Includes:
Battery - Four AA batteries
079A22 - adaptor for 1/4" microphone
RA0069 - adaptor for 1/8" microphone
ZC0002K - Barometer
Calibration - Traceable calibration certification

Similar to: GRAS 42AA

079A30 or RA0023

Pistonphone to 1" microphone adaptor

RA0043

Pistonphone coupler for TC4013 hydrophone to 394A40 or 42AA pistonphones

Environmental Protection
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Series EPS210x environmental shrouds are a perfect choice for longer-term measurements in inclement weather. Its special acoustic windscreen material and configuration protect the microphone from rain, sleet, and snow. The shroud seals the preamplifier in a desiccated chamber, thus preserving performance in high humidity environments. The desiccant volume is many times greater than that of inline desiccant cartridges, for lasting protection without interference between the microphone and preamplifier. The shroud is also equipped with bird-spikes to deter winged intruders.

These environmental shrouds offer an inexpensive option compared with full outdoor microphone preamplifier systems with built-in rain hat, heater and electro-static actuator such as the Model 2100K. The excellent temperature stability of Larson Davis preamplifiers allows operation in a wide temperature range without an internal heater. Models EPS2106 and EPS2106-2 are designed to be mounted on a 3/4" solid wall PVC conduit or similar mating connector such as the ADP034 to interface with large outdoor tripods including the TRP003. EPS2108 and EPS2108-2 are variations of the EPS2106 design that can be mounted on a standard instrument or camera tripod having a 1/4"-20 mounting stud.

079A06 and WS001

079A06 and WS001
full specs

3-1/2" diameter windscreen for 1/2" microphones

079A07

079A07
full specs

3-1/2" diameter windscreen for 1/4" microphones

EPS2106

EPS2106

Larson Davis Environmental protection for 1/2" preamps, includes windscreen, threaded for 3/4" standard solid-wall PVC conduit thread (FEM)

Rental Includes:
Windscreen
Bird Spikes
Desiccant

EPS2106-2

EPS2106-2

Environmental protection for 1/2" ICP® preamplifiers (PRMLXT or PRM831), threaded for 3/4" standard solid-wall PVC conduit thread (FEM)

Rental Includes:
Windscreen
Bird Spikes
Desiccant

EPS2108

EPS2108

Environmental protection for 1/2" preamplifiers, 1/4-20 thread (FEM) for use with  standard camera tripods

Rental Includes:
Windscreen
Bird Spikes
Desiccant

EPS2108-2

EPS2108-2

Environmental protection for 1/2 in preamplifiers (PRMLXT or PRM831), 1/4-20 thread (FEM) for use with standard camera tripods.

Rental Includes:
Windscreen
Bird Spikes
Desiccant

Preamplifier Clips
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1140C04 or 079A11

079A11
full specs

1/2" diameter preamplifier mounting clip, 1/4"-20 thread

079A10

079A10
full specs

1/4" diameter preamplifier mounting clip, 1/4"-20 thread

079A24

079A24
full specs

Standard Camera Mouting Base Adaptor to convert 5/8"-27 tripod boom to standard 1/4"-20 stud

Tripods
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1140C04 or 079A11

079A15
full specs

Tripod for short term attended testing. Used with 079A11/079A10 clip (ordered separately) that holds the mic/preamp pair with windscreen. Not designed to support meter weight.

Rental Includes:
079A24 - Standard Camera Mouting Base Adaptor to convert 5/8"-27 tripod boom to standard 1/4"-20 stud. Click for picture

Preamplifer/Microphone clips are rented separately and noted in the section above

079A10

TRP001
full specs

Robust tripod with 3-way tilt/pan head for use with 079A11/079A10 clip (holds mic/preamp pair with windscreen).  May support meter weight.

079A10

TRP003

Large, rugged tripod designed for unattended use in varied weather conditions with NMS system.  Max height of 8 ft. Size and weight require special shipping considerations.