Larson Davis PRM2103 Reference Manual
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Larson Davis PRM2103 Reference Manual

Outdoor microphone preamplifier
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Model PRM2103
Outdoor Microphone
Preamplifier

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Summary of Contents for Larson Davis PRM2103

  • Page 1 Model PRM2103 Outdoor Microphone Preamplifier...
  • Page 2 Larson Davis PRM2103 Preamplifier Reference Manual I2103.01 Rev C...
  • Page 3 For warranty information, refer to our Terms and Conditions of Sale on our website at www.larsondavis.com/ TermsConditions.aspx. Contact Larson Davis Website www.larsondavis.com Worldwide Corporate Headquarters Larson Davis - a PCB Piezotronics division 3425 Walden Avenue Depew, NY 14043-2495 USA Toll-free (in the US): 888-258-3222 Phone:...

  • Page 4: Table Of Contents

    3.1 Overview ................................3-1 3.2 Performing the Acoustic Calibration ......................3-1 3.3 PRM2103 Heater Controls ..........................3-3 3.4 Performing Calibration Checks ........................3-10 3.5 Upgrading the PRM2103 Firmware ......................3-16 Appendix A Technical Specifications A.1 Overview ................................A-1 A.2 Standards Met by PRM2103 ..........................A-1 A.3 Electrical ................................

  • Page 5: Module 1

    Protection Shrouds and model 831 sound level meters (SoundAdvisor Model 831C and Model 831). It includes remotely-activated, multi- frequency calibration check functionality and desiccant-free automatic heaters for internal humidity control. The PRM2103 requires only one microphone to get free-field, random, or 90 degree response. FIGURE 1-1...
  • Page 6 Larson Davis sound level meters. 1.1.1 Application The PRM2103-FF is an integral component of an outdoor noise monitoring system, like the SoundAdvisor NMS044 noise monitoring system. FIGURE 1-3...

  • Page 7: Features

    Permanent outdoor noise monitoring for IEC 61672 Class 1 mea- surements (with 377B02 microphone and EPS2116, EPS2106-3 or EPS2108-3). Group Z compliant • For use with Larson Davis EPS2116, EPS2106-3 or EPS2108-3 envi- ronmental protection shroud and Model 831 and SoundAdvisor Model 831C sound level meters •...
  • Page 8 CBL203-20 • CBL203-XX • CBL222-XX Calibrators CAL200 Class 1 Sound Level Calibrator, 94/114 dB @ 1 kHz CAL250 Class 1 Sound Level Calibrator, 114 dB @ 250 Hz Software G4 LD Utility SLM LD Utility-G3 PRM2103 Reference Manual Supplied Accessories...

  • Page 9: Module 2

    2.2 Environmental Protection Systems For basic The PRM2103-FF is designed to be mounted on three Larson Davis LEARN MORE mounting steps for the products for outdoor noise monitoring. To learn more about these EPS2116, see 2.4 "EPS...

  • Page 10: Wiring

    2.3 Wiring The PRM2103 uses a single cable for both signal and control functions, but provides differing connections, depending on whether you are connecting to the 831 sound level meters or to the 831-INT, as follows: Sound Level Meters The CBL203 connects the PRM2103 to Larson Davis sound level meters, as shown in Figure 2-1.
  • Page 11 When connecting the PRM2103 to a NoiseTutor, follow Figure 2-3 as shown below. FIGURE 2-3 Connection to NoiseTutor INT-ET Connections The CBL208 connects the PRM2103 to the 831-INT or 831-INT-ET, as shown in Figure 2-4. FIGURE 2-4 Connection to 831-INT or 831-INT ET PRM2103 Reference Manual...

  • Page 12: Eps Installation

    Step 2 Thread the cable up through the EPS with the cable out the top, so it rotates freely. Step 3 Align the red dots on the PRM2103 and cable, then connect by pushing gently together. The whole assembly should be out and above the EPS.

  • Page 13: Verifying Preamp Operation

    2.5 Verifying Preamp Operation 2.5.1 With Model 831 Model 831 firmware When the PRM2103-FF is connected to the Model 831 sound level meter, a TAKE NOTE version 2.204 or newer is message appears, verifying that the connection has been established, as required to support the shown in FIGURE 2-6.

  • Page 14: Setting Prm2103-Ff Corrections

    FIGURE 2-6. There are microphone corrections available in the SoundAdvisor and Model 831 to be applied the PRM2103, and three are applicable to the PRM2103-FF, as follows: FF:RI 2116 and FF:RI 2106/8 Provides random incidence response.

  • Page 15: Module 3

    Calibration Check History inG4 LD Utility ..............3-15 Upgrading the PRM2103 Firmware ....................3-16 3.1 Overview This module provides information for specifying PRM2103 heater controls, viewing data, performing calibration checks, and upgrading firmware through the SoundAdvisor Model 831C and G4 LD Utility.

  • Page 16: Performing The Acoustic Calibration

    To accept the calibration, select Yes. To reject this calibration, select No. Step 7 After performing this acoustical calibration, perform a calibration check, see “Performing Calibration Checks” on page 3-10. PRM2103 Reference Manual Performing the Acoustic Calibration...

  • Page 17: Prm2103 Heater Controls

    Off: The heater remains off. Low: The heater turns on at low power when the PRM2103 internal relative humidity exceeds 65% or internal temperature drops below 5°C. The heater turns off when the relative humidity decreases below 60% or the temperature rises above 5°C.

  • Page 18: Heater Controls On Soundadvisor

    Step 1 Navigate Tools  System Properties  Other tab PRM2103 is connected to the sound level meter. Step 2 In the PRM2103 Heater field, select Off, Auto, Low, or High. Figure 3-4 shows the PRM2103 heater settings on the Other tab. FIGURE 3-4 Heater Settings on the Other Tab 3.3.4 Heater Controls in G4 LD Utility Software...
  • Page 19 Heater Settings on System Tab in G4 LD Utility Software FIGURE 3-6 Ensure that your meter is selected in this dropdown Step 3 Select heater setting. Close to save. FIGURE 3-7 G4 Heater Settings Close and select Yes to save changes PRM2103 Reference Manual PRM2103 Heater Controls...

  • Page 20: Viewing Prm2103 Data

    Heater Setting Calibrator Setting: On If the Preamp page displays a <Comm Error> message, the SoundAdvisor and PRM2103 are not communicating properly. Make sure the cables are completely connected and fastened and that power is supplied to the cable. PRM2103 Reference Manual...
  • Page 21 Humidity and Temperature History To log internal humidity or temperature history for the PRM2103, follow these steps: Step 1 Navigate to the Setup Manager  Time History. Select the Enable Time History option. Step 2 Choose the Period of time for each measurement to be logged.
  • Page 22 Time History Preamp Temp. Data Temperature Figure 3-11 shows the Preamp Humidity data on the Time History tab. FIGURE 3-11 Time History Preamp Humidity Data Cursor Humidity Data Press enter to toggle between metric displays PRM2103 Reference Manual PRM2103 Heater Controls...

  • Page 23: Data In G4 Ld Utility Software

    3.3.7 Data in G4 LD Utility Software To view PRM2103 data in G4, open the software and connect to your sound level meter by selecting the Connect button and your meter. FIGURE 3-12 PRM2103 Data on the Instrument Status Tab...

  • Page 24: Performing Calibration Checks

    3.4 Performing Calibration Checks The calibration The PRM2103 calibration check function produces five discrete tones TAKE NOTE check level reported by the simultaneously. Calibration checks can be performed automatically at SoundAdvisor is the specified times, or at any time manually, either on the SoundAdvisor or G4 broadband level.

  • Page 25: Automatic Calibration Checks

    SoundAdvisor Model 831C Sound Level Meter Step 3 Set the time of day when the check is to be performed. The Manual. default time is 2:30 AM. FIGURE 3-15 Scheduled Calibration Checks PRM2103 Reference Manual Performing Calibration Checks 3-11...

  • Page 26: Calibration Check History On The Soundadvisor

    To view a calibration check spectrum for a record in the history, select the record and press 5. Figure 3-17 shows a Cal. Check Spectrum. Enable 1/1 or 1/3 FIGURE 3-17 Cal. Check Spectrum TRY THIS Octave Band Analysis to display a calibration check spectrum. PRM2103 Reference Manual Performing Calibration Checks 3-12...

  • Page 27: Manual Calibration Checks In G4 Ld Utility

    3.4.4 Manual Calibration Checks in G4 LD Utility To perform manual To perform manual calibration checks on the PRM2103 with G4 LD Utility TAKE NOTE calibration checks in G4 software, navigate to the Calibrate tab in the meter manager and follow software, refer to the G4 3.4.1 "Manual Calibration Checks"...

  • Page 28: Automatic Calibration Checks In G4 Ld Utility

    3.4.5 Automatic Calibration Checks in G4 LD Utility To setup automatic calibration checks on the PRM2103 with G4 LD Utility software, navigate to the Calibrate tab in the meter manager and follow 3.4.2 "Automatic Calibration Checks" on page 3-11. FIGURE 3-20...

  • Page 29: Calibration Check History Ing4 Ld Utility

    G4 Software, refer to the G4 Software Manual. To view the calibration check spectrum, select the Calibration Check record and the spectrum for that record will appear in the Calibration Spectrum section. FIGURE 3-22 Calibration History PRM2103 Reference Manual Performing Calibration Checks 3-15...

  • Page 30: Upgrading The Prm2103 Firmware

    The PRM2103 firmware is distributed with the SoundAdvisor firmware. LEARN MORE Software Manual for more The PRM2103 is upgraded automatically when connected to the meter. information. Firmware is not upgraded if the meter is making a measurement. To upgrade the SoundAdvisor Model 831C sound level meter and...

  • Page 31: Appendix A Technical Specifications

    Appendix Technical Specifications Overview ..............................A-1 Standards Met by PRM2103 .......................A-1 Electrical ..............................A-2 A.3.1 Frequency Response ......................A-3 Physical ..............................A-5 PRM2103 Corrections .......................... A-9 A.5.1 Model 831 Microphone Corrections ................. A-9 Acoustical Response .........................A-12 A.6.1 EPS2116 Free Field Response (0°) with Corrections ...........A-12 A.6.2...

  • Page 32: Electrical

    A.3 Electrical Tested with ADP090 adaptor (12 pF), equivalent to capacitance of 377B02 microphone. Microphone Bias Input Impedance 10 G // 0.1 pF (typical) Gain (unweighted) -0.1 dB at 1 kHz (typical) ± 18 V peak (142 dB re. 20 Pa) Max Input Level (for THD <...

  • Page 33: Frequency Response

    Temperature: ±2 °C Note that a typical 50 mV/Pa microphone has a 15 Power dB A-weighted noise in addition to the electrical Power Consumption (at 12 V for PRM2103 only) noise of the preamplifier. Calibration Check Status Cable Drive Control Cable (CBL203, CBL208, and CBL222)
  • Page 34 FIGURE A-2 1/3-Octave Self-Generated Noise AEC206 Reference Manual Electrical...

  • Page 35: Physical

    Output Connector 10-pin male (FGA. 1B.310) Venting 377B02 microphone is rear-vented and sealed to the PRM2103 using an O-ring. The PRM2103 is vented through the 10-pin connector for pressure equalization. Microphone Reference The center of the diaphragm of the 377B02 microphone.
  • Page 36 Effect of Temperature Variation FIGURE A-4 Relative SPL versus Temperature AEC206 Reference Manual Physical...
  • Page 37 Effect of Humidity FIGURE A-5 Relative SPL versus Humidity AEC206 Reference Manual Physical...
  • Page 38 Humidity Endurance FIGURE A-6 Relative SPL versus Humidity Endurance AEC206 Reference Manual Physical...

  • Page 39: Prm2103 Corrections

    A.5 PRM2103 Corrections Figure A-7 shows a graph of microphone corrections for the Model 831 and the correction values at different frequencies. FIGURE A-7 Model 831 Microphone Corrections Graph Model 831 Microphone Corrections FF:RI 2106/8 FF:FF 2106/8 FF:90 2106/8 RI:FF...

  • Page 40: Model 831 Microphone Corrections

    2.66 -1.27 1.04 0.25 -0.31 0.40 4216.97 2.13 0.83 2.70 -1.42 1.16 0.28 -0.27 0.45 4466.84 2.31 0.95 2.69 -1.59 1.29 0.31 -0.23 0.49 4731.51 2.50 1.09 2.65 -1.77 1.44 0.33 -0.20 0.53 5011.87 AEC206 Reference Manual PRM2103 Corrections A-10...
  • Page 41 9.07 -1.76 5.88 -1.31 2.44 -0.62 16788.04 2.13 -6.20 8.39 -0.98 6.73 -0.93 2.56 -0.44 17782.79 1.63 -12.60 6.57 -0.52 7.75 -0.59 2.62 -0.35 18836.49 0.84 -39.14 6.35 -0.45 8.89 -0.29 2.63 -0.34 19952.62 AEC206 Reference Manual PRM2103 Corrections A-11...

  • Page 42: Acoustical Response

    A.6 Acoustical Response Acoustical response data in the following sections EPS2108-3 is included for legacy purposes.. Data are for PRM2103 mounted inside an EPS2116. Data also corresponds to proper selection of SLM 831 for PRM2103 mounted inside an EPS2106-3 or microphone corrections.
  • Page 43 FIGURE A-9 PRM2103-FF 0 Degree Response EPS2116 0 Degree Response (FF:FF 2116) 1,000 10,000 Frequency Directional Characteristics FIGURE A-10 PRM2103-FF Directional Response EPS2116 Directional Response (FF:FF 2116) 1,000 10,000 Frequency 0 Degrees 10 Degrees 20 Degrees 30 Degrees AEC206 Reference Manual...
  • Page 44 FIGURE A-11 PRM2103-FF Directional Response EPS2116 Directional Response (FF:FF 2116) 1,000 10,000 Frequency 40 Degrees 50 Degrees 60 Degrees 70 Degrees FIGURE A-12 PRM2103-FF Directional Response EPS2116 Directional Response (FF:FF 2116) 1,000 10,000 Frequency 80 Degrees 90 Degrees 100 Degrees...
  • Page 45 FIGURE A-13 PRM2103-FF Directional Response EPS2116 Directional Response (FF:FF 2116) 1,000 10,000 Frequency 120 Degrees 130 Degrees 140 Degrees 150 Degrees FIGURE A-14 PRM2103-FF Directional Response EPS2116 Directional Response (FF:FF 2116) 1,000 10,000 Frequency 160 Degrees 170 Degrees 180 Degrees...
  • Page 46 FIGURE A-15 PRM2103-FF Directional Response EPS2116 Directional Response (FF:FF 2116) 1000 Hz 1259 Hz 1585 Hz FIGURE A-16 PRM2103-FF Directional Response EPS2116 Directional Response (FF:FF 2116) 1995 Hz 2512 Hz 3162 Hz AEC206 Reference Manual Acoustical Response A-16...
  • Page 47 FIGURE A-17 PRM2103-FF Directional Response EPS2116 Directional Response (FF:FF 2116) 3981 Hz 5012 Hz 6310 Hz FIGURE A-18 PRM2103-FF Directional Response EPS2116 Directional Response (FF:FF 2116) 7943 Hz 10000 Hz 12589 Hz AEC206 Reference Manual Acoustical Response A-17...
  • Page 48 FIGURE A-19 PRM2103-FF Directional Response EPS2116 Directional Response (FF:FF 2116) 15849 Hz AEC206 Reference Manual Acoustical Response A-18...

  • Page 49: Random Response (Diffuse) With Corrections

    A.6.2 Random Response (diffuse) with Corrections FIGURE A-20 PRM2103-FF Random Response EPS2116 Random Response (FF:RI 2116) 1,000 10,000 Frequency AEC206 Reference Manual Acoustical Response A-19...
  • Page 50 Directional Characteristics FIGURE A-21 PRM2103-FF Directional Response EPS2116 Directional Response (FF:RI 2116) 1,000 10,000 Frequency 0 Degrees 10 Degrees 20 Degrees 30 Degrees AEC206 Reference Manual Acoustical Response A-20...
  • Page 51 FIGURE A-22 PRM2103-FF Directional Response EPS2116 Directional Response (FF:RI 2116) 1,000 10,000 Frequency 40 Degrees 50 Degrees 60 Degrees 70 Degrees FIGURE A-23 PRM2103-FF Directional Response EPS2116 Directional Response (FF:RI 2116) 1,000 10,000 Frequency 80 Degrees 90 Degrees 100 Degrees...
  • Page 52 FIGURE A-24 PRM2103-FF Directional Response EPS2116 Directional Response (FF:RI 2116) 1,000 10,000 Frequency 120 Degrees 130 Degrees 140 Degrees 150 Degrees FIGURE A-25 PRM2103-FF Directional Response EPS2116 Directional Response (FF:RI 2116) 1,000 10,000 Frequency 160 Degrees 170 Degrees 180 Degrees...
  • Page 53 FIGURE A-26 PRM2103-FF Directional Response EPS2116 Directional Response (FF:RI 2116) 1000 Hz 1259 Hz 1585 Hz FIGURE A-27 PRM2103-FF Directional Response EPS2116 Directional Response (FF:RI 2116) 1995 Hz 2512 Hz 3162 Hz AEC206 Reference Manual Acoustical Response A-23...
  • Page 54 FIGURE A-28 PRM2103-FF Directional Response EPS2116 Directional Response (FF:RI 2116) 3981 Hz 5012 Hz 6310 Hz FIGURE A-29 PRM2103-FF Directional Response EPS2116 Directional Response (FF:RI 2116) 7943 Hz 10000 Hz 12589 Hz AEC206 Reference Manual Acoustical Response A-24...
  • Page 55 FIGURE A-30 PRM2103-FF Directional Response EPS2116 Directional Response (FF:RI 2116) 15849 Hz AEC206 Reference Manual Acoustical Response A-25...

  • Page 56: 90° Response With Correction

    A.6.3 90 Response with Correction ° FIGURE A-31 PRM2103-FF 90 Degree Response EPS2116 90 Degree Response (FF:90 2116) 1,000 10,000 Frequency AEC206 Reference Manual Acoustical Response A-26...
  • Page 57 Directional Characteristics FIGURE A-32 PRM2103-FF Directional Response EPS2116 Directional Response (FF:90 2116) 1,000 10,000 Frequency 0 Degrees 10 Degrees 20 Degrees 30 Degrees AEC206 Reference Manual Acoustical Response A-27...
  • Page 58 FIGURE A-33 PRM2103-FF Directional Response EPS2116 Directional Response (FF:90 2116) 1,000 10,000 Frequency 40 Degrees 50 Degrees 60 Degrees 70 Degrees FIGURE A-34 PRM2103-FF Directional Response EPS2116 Directional Response (FF:90 2116) 1,000 10,000 Frequency 80 Degrees 90 Degrees 100 Degrees...
  • Page 59 FIGURE A-35 PRM2103-FF Directional Response EPS2116 Directional Response (FF:90 2116) 1,000 10,000 Frequency 120 Degrees 130 Degrees 140 Degrees 150 Degrees FIGURE A-36 PRM2103-FF Directional Response EPS2116 Directional Response (FF:90 2116) 1,000 10,000 Frequency 160 Degrees 170 Degrees 180 Degrees...
  • Page 60 FIGURE A-37 PRM2103-FF Directional Response EPS2116 Directional Response (FF:90 2116) 1000 Hz 1259 Hz 1585 Hz FIGURE A-38 PRM2103-FF Directional Response EPS2116 Directional Response (FF:90 2116) 1995 Hz 2512 Hz 3162 Hz AEC206 Reference Manual Acoustical Response A-30...
  • Page 61 FIGURE A-39 PRM2103-FF Directional Response EPS2116 Directional Response (FF:90 2116) 3981 Hz 5012 Hz 6310 Hz FIGURE A-40 PRM2103-FF Directional Response EPS2116 Directional Response (FF:90 2116) 7943 Hz 10000 Hz 12589 Hz AEC206 Reference Manual Acoustical Response A-31...
  • Page 62 FIGURE A-41 PRM2103-FF Directional Response EPS2116 Directional Response (FF:90 2116) 15849 Hz AEC206 Reference Manual Acoustical Response A-32...
  • Page 63 A.6.4 EPS2106 Free Field Response (0 with Corrections ° For the following graphs, the applied correction is indicated in parentheses, e.g. (FF:FF2106/8). FIGURE A-42 PRM2103-FF 0 Degree Response Directional Characteristics FIGURE A-43 PRM2103-FF Directional Response AEC206 Reference Manual Acoustical Response...
  • Page 64 FIGURE A-44 PRM2103-FF Directional Response FIGURE A-45 PRM2103-FF Directional Response PRM2103-FF Directional Response FIGURE A-46 AEC206 Reference Manual Acoustical Response A-34...

  • Page 65: Random Response (Diffuse) With Corrections

    FIGURE A-47 PRM2103-FF Directional Response A.6.5 Random Response (diffuse) with Corrections FIGURE A-48 PRM2103-FF Random Response AEC206 Reference Manual Acoustical Response A-35...
  • Page 66 FIGURE A-49 PRM2103-FF Directional Response PRM2103-FF Directional Response FIGURE A-50 FIGURE A-51 PRM2103-FF Directional Response AEC206 Reference Manual Acoustical Response A-36...
  • Page 67 Directional Characteristics FIGURE A-52 PRM2103-FF Directional Response FIGURE A-53 PRM2103-FF Directional Response PRM2103-FF Directional Response FIGURE A-54 AEC206 Reference Manual Acoustical Response A-37...
  • Page 68 FIGURE A-55 PRM2103-FF Directional Response FIGURE A-56 PRM2103-FF Directional Response AEC206 Reference Manual Acoustical Response A-38...

  • Page 69: 90° Response With Correction

    A.6.6 90 Response with Correction ° FIGURE A-57 PRM2103-FF 90 Degree Response FIGURE A-58 PRM2103-FF 90 Degree Response AEC206 Reference Manual Acoustical Response A-39...
  • Page 70 FIGURE A-59 PRM2103-FF 90 Degree Response FIGURE A-60 PRM2103-FF 90 Degree Response AEC206 Reference Manual Acoustical Response A-40...

  • Page 71: Directional Characteristics

    A.6.7 Directional Characteristics For the following graphs, the applied correction is indicated in parentheses, e.g. (FF:90 2106/8). FIGURE A-61 PRM2103-FF Directional Response FIGURE A-62 PRM2103-FF Directional Response AEC206 Reference Manual Acoustical Response A-41...
  • Page 72 FIGURE A-63 PRM2103-FF Directional Response PRM2103-FF Directional Response FIGURE A-64 FIGURE A-65 PRM2103-FF Directional Response AEC206 Reference Manual Acoustical Response A-42...

  • Page 73: Cables

    A.7 Cables The PRM2103 connects with either the CBL203, The standard lengths for the CBL203 and CBL208 are CBL208. or CBL222. The CBL203 connects directly 20’, but are available up to 100’. into the Model 831 with an external power supply.

  • Page 74: Cbl203 And Cbl222

    A.7.1 CBL203 and CBL222 Output Control Connector 10-pin female connector with dual-keyed locking 10-pin female (PHA.1B.310) Table A.2 shows the CBL203 pinout. Table A.2 CBL203 and CBL222 Pinout Anderson 10-pin 5-pin 18-pin Power Jack Signal Connector Ground Lug Connector Connector Connector (CBL203) (CBL222)

  • Page 75: Ce Declaration Of Conformity

    A.8 CE Declaration of Conformity FIGURE A-68 Declaration of Conformity AEC206 Reference Manual CE Declaration of Conformity A-45...

  • Page 76: Appendix B Legacy Operation

    Step 1 Remove the birdspike and windscreen. Step 2 Loosen the thumb screw and lift the assembly from the PRM2103-FF to access the microphone. Do not remove the microphone or the microphone grid cap. Step 3 Place the calibrator over the microphone. Apply the calibrator slowly to avoid applying a sudden large pressure change to the diaphragm.

  • Page 77: Prm2103-Ff Heater Controls

    The heater state can be specified for one of four settings: Off, Low, High, or Auto. The default setting is Auto, which is recommended for most applications. See 3.3 "PRM2103 Heater Controls" on page 3-3. B.3.1 Heater Controls on the Model 831...

  • Page 78: Heater Controls In Slm-G3 Utility Software

    Step 3 Select the heater setting in the PRM2103-FF Heater State drop-down window. Step 4 Click Upload Preferences. Figure B-3 shows the PRM2103 heater settings on the System tab in SLM- G3 Utility software. PRM2103 Reference Manual PRM2103-FF Heater Controls...

  • Page 79: Viewing Prm2103-Ff Data

    FIGURE B-3 Heater Settings on System Tab in SLM-G3 Utility Software B.3.3 Viewing PRM2103-FF Data The PRM2103-FF provides the following data: • Preamplifier model • PRM2103-FF serial number • Internal PRM2103-FF temperature • Internal PRM2103-FF relative humidity • Internal PRM2103-FF dew point •...

  • Page 80: Data On The Model 831

    PRM2103-FF are not communicating properly. If you see this message, make sure the cables are completely connected and fastened and that power is supplied to the cable. If the problem persists, call Larson Davis Technical Support. Humidity and Temperature History...
  • Page 81 After exiting the Settings tabs and performing measurements, you can TAKE NOTE measurement records with the view the PRM2103-FF internal humidity and temperature data by scrolling through the measurement records with the 4 and 6 keys on the Time keys, you can press History tab.

  • Page 82: Data In Slm Utility-G3 Software

    B.3.5 Data in SLM Utility-G3 Software Click Refresh on the To view PRM2103-FF data in SLM Utility-G3 software, open the software TRY THIS Instrument Status tab to and connect to the Model 831 sound level meter by selecting the receive the most recent data Connection menu option that best fits your configuration.

  • Page 83: Performing Calibration Checks

    FIGURE B-8 PRM2103-FF Data on the Instrument Status Tab B.4 Performing Calibration Checks The calibration The PRM2103-FF calibration check function produces five discrete tones TAKE NOTE check level reported by the simultaneously. Calibration checks can be performed automatically at Model 831 is the broadband specified times, or at any time manually, either on the Model 831, with level.

  • Page 84: Automatic Calibration Checks On The Model 831

    Step 1 Select and enable the Cal-Check option. automatic calibration checks, refer to the Model 831 Sound Step 1 Set the time of day when the check is to be performed. The Level Meter Manual. default time is 2:30 AM. PRM2103 Reference Manual Performing Calibration Checks...

  • Page 85: Calibration Check History On The Model 831

    Figure B-12 shows the Check History tab on the Calibration Tool. Check History Tab FIGURE B-12 To view a calibration check spectrum for a record in the history, select the record and press 5. Figure B-13 shows a Cal. Check Spectrum. PRM2103 Reference Manual Performing Calibration Checks B-10...

  • Page 86: Manual Calibration Checks In Slm Utility-G3 Software

    B.4.4 Manual Calibration Checks in SLM Utility-G3 Software To perform manual To perform manual calibration checks on the PRM2103-FF with SLM TAKE NOTE calibration checks in G4 Utility-G3 software, click the Calibrate tab on the Instrument Manager software, refer to the G4 dialog box and then click the Calibration Check button.

  • Page 87: Automatic Calibration Checks In Slm Utility-G3 Software

    SLM Step 1 Click the Measurement Control tab after clicking the Settings Utility-G3 software, refer to tab. SLM Utility-G3 Software Manual. Step 2 Select the Enable Measurement History option, if desired. PRM2103 Reference Manual Performing Calibration Checks B-12...

  • Page 88: Calibration Check History In Slm Utility-G3 Software

    Calibrate tab. In the Select data to view drop down list, select G4 Software, refer to the G4 Calibration Check History. Software Manual. Figure B-19 shows the Calibration History box with a list of calibration checks. PRM2103 Reference Manual Performing Calibration Checks B-13...
  • Page 89 FIGURE B-19 Calibration History To view the calibration check spectra, double-click on the Cal. Check record in the Calibration History dialog box. Figure B-20 shows the Calibration Check Spectra. FIGURE B-20 Calibration Check Spectra PRM2103 Reference Manual Performing Calibration Checks B-14...

  • Page 90: Upgrading Firmware With Slm Utility-G3

    B.5 Upgrading Firmware with SLM Utility-G3 Although this The PRM2103-FF firmware is distributed with the Model 831 firmware. The LEARN MORE procedure describes the steps PRM2103-FF is upgraded automatically when connected to the Model for upgrading firmware in SLM 831. Firmware is not upgraded if the Model 831 is making a measurement.
  • Page 91 PRM2103 Reference Manual Upgrading Firmware with SLM Utility-G3 B-16...

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