1. Manuals
  2. Brands
  3. Larson Davis Manuals
  4. Microphone
  5. EPS2116
  6. Reference manual

Larson Davis EPS2116 Reference Manual

Outdoor microphone & preamplifier protection, environmental protection system
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
EPS2116
Outdoor Microphone & Preamplifier Protection

Advertisement

Table of Contents
loading

Summary of Contents for Larson Davis EPS2116

  • Page 1 EPS2116 Outdoor Microphone & Preamplifier Protection...
  • Page 2 Larson Davis EPS2116 Environmental Protection System Reference Manual...
  • Page 3 Changes and improvements to the information described in this manual may be made at any time. Safety If the equipment is used in a manner not specified by Larson Davis, the protection provided by the equipment may be impaired. Recycling PCB Piezotronics, Inc.

  • Page 4: Table Of Contents

    Table of Contents Module 1 Overview 1.1 Getting Started ..........................1-1 1.2 What is the EPS2116? ........................1-1 Module 2 Assembly & Mounting 2.1 Overview ............................2-1 2.2 Assembly ............................2-1 Module 3 Operations 3.1 Calibration ............................3-1 3.2 Windscreen Replacement .......................3-3 3.3 Desiccant Replacement ........................3-5...

  • Page 5: Module 1

    1½ inch (38mm) speaker stand, or similar mating connector when in use. The whole assembly can be fastened on a mounting screw for tripod use in the field. The EPS2116 is a necessary tool for environmental exposure sound monitoring.
  • Page 6 FIGURE 1-1 EPS2116 Birdspike Windscreen Base Adapter EPS2116 Reference Manual What is the EPS2116?

  • Page 7: Module 2 Assembly & Mounting

    Overview ..........................2-1 Assembly ..........................2-1 2.1 Overview The EPS2116 must be assembles and disassembled in a proper order to not compromise the integrity of the protection devices. The EPS2116 comes shipped with the base and the top separate, and the windscreen and birdspike together.
  • Page 8 And when you change them, use uses built-in heaters to the second indicating. control humidity within the microphone and preamplifier FIGURE 2-3 Desiccant install Step 3 Screw top onto base. FIGURE 2-4 Screw top onto base EPS2116 Reference Manual Assembly...
  • Page 9 FIGURE 2-5 Thread cable, add preamp/mic Step 5 If you are mounting the EPS2116 to a tripod, pole, or other device, screw the device onto the bottom at this step, being careful not to twist the cable. Hold the EPS2116 still and twist the mounting device up into the EPS2116.
  • Page 10 Step 7 Grip windscreen in middle, holding birdspike, screw onto assembly. FIGURE 2-7 Windscreen Once assembled, the EPS2116 can be left in place during calibration or transport. EPS2116 Reference Manual Assembly...

  • Page 11: Module 3 Operations

    Module 3 Operations Calibration ...........................3-1 Windscreen Replacement ....................3-3 Desiccant Replacement ......................3-5 3.1 Calibration To calibrate microphones in the EPS2116, follow these steps: The microphone Step 1 Remove birdspike and windscreen by unscrewing the TAKE NOTE and preamplifier can be assembly.
  • Page 12 CAL250 on mic Step 3 Perform calibration as described in sound level meter manual. Step 4 Remove calibrator by pulling it up while slightly twisting it counter-clockwise. Step 5 Replace birdspike and windscreen. FIGURE 3-3 Replace windscreen EPS2116 Reference Manual Calibration...

  • Page 13: Windscreen Replacement

    Grip windscreen/birdspike and twist off. the top of the birdspike can damage the rainscreen. FIGURE 3-4 Remove windscreen Step 2 Remove windscreen from bottom of birdspike. FIGURE 3-5 Remove windscreen from birdspike Step 3 Screw birdspike back on top. EPS2116 Reference Manual Windscreen Replacement...
  • Page 14 FIGURE 3-6 Return birdspike to top Step 4 Place new windscreen over birdspike. FIGURE 3-7 Push windscreen Step 5 Push windscreen down until the bottom aligns with windscreen seating line. EPS2116 Reference Manual Windscreen Replacement...

  • Page 15: Desiccant Replacement

    To replace the desiccants, follow these steps: Step 1 Remove windscreen and birdspike by unscrewing it from the top. FIGURE 3-8 Remove top Step 2 Gently pull mic and preamp through the EPS2116. Disconnect preamplifier from cable. FIGURE 3-9 Pull cable up EPS2116 Reference Manual...
  • Page 16 Step 4 Screw top back onto base. Connect preamplifier to cable, and push down until seated, do not pull. FIGURE 3-11 Replace top and preamp Step 5 Place windscreen/birdspike over top and screw on. You do not need to over-tighten. EPS2116 Reference Manual Desiccant Replacement...

  • Page 17: Appendix A Technical Specifications

    A.1.1 Sound Level Meter Standards When used with the Larson Davis Model 831 or LxT versions, the EPS2116 can be used as part of a Class 1 or 2 measurement system, according to IEC 61672-1:2013 and ANSI S1.4-2014, when the appropriate microphone correction is used.

  • Page 18: Optional Accessories

    Semi-permanent tripod use with ADP100 DSC003 50 non indicating desiccant cartridges* & 2 indicating desiccants ADP100 Adaptor connecting EPS2116 to TRP019 or TRP020. Connects 3/4”-14 NPSM (ISO 228-G 3/4) to 1 1/2” BSPF (ISO 228-G 1.5). CAL200 Class 1 acoustic calibrator for 1/2” microphones *Desiccant cartridges contain 0.05% cobalt chloride and are suitable for use in Europe.

  • Page 19: Eps2116 Dimensions

    A.5 EPS2116 Dimensions FIGURE A-1 EPS2116 Dimensions EPS2116 Reference Manual...

  • Page 20: Wind-Induced Noise

    A.6 Wind-induced Noise The following show data for the self-generated noise created by the EPS2116 due to wind. A-weighted Level (dB) 26.7 44.2 51.4 11.2 57.6 13.4 15.6 67.6 17.9 71.7 20.1 75.1 22.4 78.2 24.6 26.8 83.4 29.1 85.8 31.3...

  • Page 21: Eps2116 Corrections

    51.4 A-weighted Level (d ) A.7 EPS2116 Corrections The following graph and table display corrections for the effects of the microphone and EPS2116 that are available with the Larson Davis Model 831 and LxT sound level meters. EPS2116 Reference Manual...
  • Page 22 0.06 2371.37 0.67 0.18 0.00 -0.35 0.30 -0.35 0.07 0.07 2511.89 0.75 0.21 -0.00 -0.40 0.34 -0.37 0.08 0.08 2660.73 0.85 0.24 -0.00 -0.46 0.39 -0.39 0.09 0.10 2818.38 0.96 0.28 0.00 -0.53 0.45 -0.41 0.11 0.13 EPS2116 Reference Manual...
  • Page 23 -2.71 13335.21 3.43 3.22 0.00 -4.74 4.36 0.78 -3.23 -2.41 14125.38 3.22 2.52 0.00 -4.42 4.54 1.35 -2.83 -1.91 14962.36 2.99 1.44 0.00 -3.70 4.82 1.86 -2.28 -1.36 15848.93 2.76 -0.16 0.00 -2.73 5.25 2.22 -1.75 -0.91 EPS2116 Reference Manual...

  • Page 24: Acoustical Response

    Data is presented both in graphs with corrections and in graphs without corrections. Graphs displaying corrections correspond to responses when the EPS2116 is used with the Model 831 and the LxT versions and a Larson Davis 377B02 microphone. Graphs displaying data without corrections correspond to responses when using other equipment with the EPS2116.
  • Page 25 The data below shows the effects of the EPS2116 on a free-field measurement. EPS2116 Reference Manual...

  • Page 26: Eps2116 Responses With Free-Field (0°) Correction

    A.8.2 EPS2116 Responses with Free-Field (0 Correction °) The following graphs show EPS2116 responses when using a Model 831 or LxT sound level meter with the ° free field (FF:FF 2116) microphone correction. EPS2116 Reference Manual A-10...
  • Page 27 EPS2116 Reference Manual A-11...
  • Page 28 EPS2116 Reference Manual A-12...
  • Page 29 EPS2116 Reference Manual A-13...
  • Page 30 EPS2116 Reference Manual A-14...

  • Page 31: Eps2116 Responses With Random Response (Diffuse) Correction

    A.8.3 EPS2116 Responses with Random Response (diffuse) Correction The following graphs show EPS2116 responses when using a Model 831 or LxT sound level meter with the random response, or diffuse, (FF:RI 2116) microphone correction. EPS2116 Reference Manual A-15...
  • Page 32 EPS2116 Reference Manual A-16...
  • Page 33 EPS2116 Reference Manual A-17...
  • Page 34 EPS2116 Reference Manual A-18...
  • Page 35 A.8.4 EPS2116 Responses with 90 Correction ° The following graphs show EPS2116 responses when using a Model 831 or LxT sound level meter with the ° (FF:90 2116) microphone correction. EPS2116 Reference Manual A-19...
  • Page 36 EPS2116 Reference Manual A-20...
  • Page 37 EPS2116 Reference Manual A-21...
  • Page 38 EPS2116 Reference Manual A-22...
  • Page 39 EPS2116 Reference Manual A-23...
  • Page 40 EPS2116 Reference Manual A-24...

Table of Contents