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SONOPAN DLM-101 Instruction Manual

Sound level meter
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DLM-101
CLASS I
SOUND LEVEL METER
Instruction manual
This manual describes operation of the DLM-101 meter with firmware version
1.9.0020. The firmware version number can be viewed on the welcome screen,
which is displayed after turning on the meter (the exact description can be found
in section 3.1 of this manual).
PPUH SONOPAN Sp. z o.o.
ul. Ciołkowskiego 2/2, 15-950 Białystok, Poland
phone +48 85 742 36 62
sonopan@sonopan.com.pl
https://www.sonopan.com.pl/

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Summary of Contents for SONOPAN DLM-101

  • Page 1 SOUND LEVEL METER Instruction manual This manual describes operation of the DLM-101 meter with firmware version 1.9.0020. The firmware version number can be viewed on the welcome screen, which is displayed after turning on the meter (the exact description can be found in section 3.1 of this manual).

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. INSTRUMENT CHARAKTERISTRICS......................3 1.1. Accessories..............................4 1.2. System configuration ..........................4 1.3. Measured quantities..........................4 1.4. Specifications ............................4 1.5. Influence of operating environment ....................8 1.6. Influence of instrument accessories....................8 2. CONTROLLING OF THE INSTRUMENT ......................9 2.1. Control keys...............................9 2.2. Input and output connectors of the instrument ................10 2.3.

  • Page 3: Instrument Charakteristrics

    1. INSTRUMENT CHARAKTERISTRICS DLM-101 is fully digital, single range integrating sound level meter with type 1 accuracy. Easy operation, wide range and small dimensions allow measurements of noise in many areas. This meter is ideal for company health and safety inspector, ventilation installer, or building inspector, controlling building work.

  • Page 4: Accessories

    Klasa 1 DLM-101 PLT1112 PN-EN 61672-1:2005 Fig. 1.2. DLM-101 sound level meter – data plate. 1.1. Accessories Basic accessories: Charger 6WZS 12/400 (Tatarek). • OP60/2 microphone windscreen. • RS-232 cable (DB9F-RJ10) 1.8m. • USB cable (USBA-USBB mini) 1.8m. • Carrying case.
  • Page 5 Meter belongs to the group X, as defined in EN 61672-1:2003. Specification (for microphone sensitivity 40mV/Pa): • Accuracy class • Frequency weightings A, C • Time weightings SLOW, FAST • Readout resolution: - measure 0.1dB - calibration 0.01dB • Maximum value of sound pressure, causing no damage to the meter 150dB (THD <3%) •...
  • Page 6 • Storage temperature range -10 ÷ +50 °C • Operating humidity range ≤ 90% RH (without condensation) • Operating static pressure range 65 ÷ 108kPa • Electromagnetic emission within the limits specified in EN 61672-1:2002 (maximum emission when operating with charger) •...
  • Page 7 10,00 dL[dB] 9,00 8,00 7,00 6,00 5,00 4,00 3,00 2,00 1,00 0,00 1000 10000 f[Hz] 100000 Fig. 1.3. Free-field correction for WK-21 microphone (0° incidence). Table below and Fig. 1.4 show typical free-field frequency response of WK-21 microphone (relative to its sensitivity at 250Hz) together with maximum permissible deviations as specified in EN 61094-4:1995.

  • Page 8: Influence Of Operating Environment

    2,50 L[dB] 2,00 1,50 1,00 0,50 0,00 -0,50 -1,00 -1,50 -2,00 -2,50 1000 10000 f[Hz] 100000 Fig. 1.4. Typical free-field frequency response of WK-21 microphone. 1.5. Influence of operating environment • Influence of static pressure -0.01dB/kPa (for 1kHz) • Influence of temperature -0.003 dB/°C (for 1kHz) •...

  • Page 9: Controlling Of The Instrument

    100000 Fig. 1.5. Influence of OP60/2 windscreen. 2. CONTROLLING OF THE INSTRUMENT DLM-101 sound level meter can be controlled by instrument keyboard. 2.1. Control keys Instrument keyboard contains following keys: • power switch: • keys used to select the instrument settings (they also serve as cursors):...

  • Page 10: Input And Output Connectors Of The Instrument

    • keys: START/STOP of measurement and ENTER 2.2. Input and output connectors of the instrument Instrument is equipped with: • Microphone connector LEMO EGG.1B.307.CLL. Fig. 2.1. Microphone connector external view. Pin no. Signal not connected polarization (+200V) signal input not connected +24V screen case ground...

  • Page 11: Default Instrument Settings

    Fig. 2.4. USB mini B connector – external view. Pin no. Signal VBUS not connected 2.3. Default instrument settings Default settings of DLM-101 after instrument turn-on are specified below: Frequency weighting • Time weighting FAST • 2.4. Preparation of the instrument to operation Screw WK-21 measurement microphone on PW-21L microphone preamplifier.

  • Page 12: Instrument Data Plate

    Delete all hist. – confirm History – del. Data plate Last any key Cancel 1.5 sec 1.5 sec Calibration Results 1 History options ref. level Start/Stop Cancel Back Results 2 History data Calibration measurement Results 3 Save meas. Confirm Cancel Error Load meas.

  • Page 13: Results

    3.2. Results Results are updated once per second. When the measurement is stopped using START/STOP key, the measurement results are immediately available. Fig. 3.3. Results screen 1. Fig. 3.4. Results screen 2. Fig. 3.5. Results screen 3. Fig. 3.6. Results screen 3 – measurement history log registration turned on.

  • Page 14: Date And Time

    result below measuring range (under-range), no result. frequency weighting change: A / C (only if the measurement is stopped), hold down 3 seconds – language change: POLISH / ENGLISH, time weighting change: SLOW / FAST (only if the measurement is stopped), START / STOP of measurement, current results screen change, hold down 1.5 second –...

  • Page 15: Time History Memory

    Fig. 3.9. Save measure to memory. Fig. 3.10. Load measure from memory. Fig. 3.11. Delete measure in memory. Fig. 3.12. Delete all measures in memory – confirmation. save / load / delete measure confirmation, hold down 1.5 second on delete measure screen – delete all measures (with additional confirmation), cancel, select cell to save / load / delete –...

  • Page 16: Calibration

    Time horizon (format: days – hours : minutes : seconds) No of 100ms quantities 000- 008- 040- 081- 121- 243- 486- 19:27:10 02:31:44 12:38:40 01:17:20 13:56:00 03:52:00 07:44:00 000- 004- 024- 048- 072- 145- 291- 11:40:18 20:43:02 07:35:10 15:10:20 22:45:30 21:31:00 19:02:00 000-...

  • Page 17: Recomendations For Instrument Use

    Fig. 3.17. Calibration – setting reference level. Fig. 3.18. Calibration – measurement in progress. Fig. 3.19. Calibration – accept the result. Fig. 3.20. Calibration – error message. accept the result of the calibration / zero calibration factor, if calibration error, start / repeat the measure, set reference level –...

  • Page 18: Recommendations For Correct Performing Of Measurements

    4.3. Calibration of the instrument Correct measurement can be performed only when calibrated instrument is used. Recommended sound calibrator for DLM-101 sound level meter is SONOPAN KA-50 acoustic calibrator. This device produces calibrated sound signal of 94 dB nominal sound pressure level and 1000 Hz nominal frequency.

  • Page 19: Warranty

    Warranty Card included to • SONOPAN by freight company, if SONOPAN service find instrument damage to be not covered by warranty or warranty • conditions to be not fulfilled, then the purchaser is obliged to cover service and transport costs as specified in the bill made out by SONOPAN, the costs specified above are covered by SONOPAN if the complaint is accepted.

  • Page 20: Firmware

    4.6. Firmware User has no ability to update, install, delete firmware of the meter. Firmware version is displayed on instrument data plate, detailed description is presented in chapter 3.1. 5. CE MARKING AND CONFORMANCE TO EU COUNCIL DIRECTIVES The product described in this instruction conforms to following EU Council Directives: 2004/108/EC Electromagnetic compatibility The conformance to above-mentioned...

  • Page 21: Appendix A. Filter Characteristics

    Appendix A. Filter characteristics L[dB] -10,0 -20,0 -30,0 -40,0 -50,0 -60,0 -70,0 -80,0 f[Hz] 1000 10000 100000 Fig. A.1. The characteristics of A filter, conformable to EN 61672-1:2003 class 1 requirements. L[dB] -10,0 -20,0 -30,0 -40,0 -50,0 -60,0 -70,0 -80,0 f[Hz] 1000 10000...

  • Page 22: Appendix B. Directional Characteristics

    Appendix B. Directional characteristics Directional characteristic of the meter – horizontal orientation [dB] Angle 250Hz 315Hz 400Hz 500Hz 630Hz 800Hz 1000Hz 1250Hz 0° 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10° 0.00 0.01 0.00 0.03 0.01 -0.02 -0.04 -0.04 20°...
  • Page 23 Directional characteristic of the meter – horizontal orientation [dB] Angle 1600Hz 2000Hz 2240Hz 2500Hz 2800Hz 3150Hz 3550Hz 4000Hz 0° 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10° 0.04 -0.05 0.01 -0.05 0.01 0.00 -0.08 0.07 20° 0.09 -0.11 0.03 -0.16 -0.01 0.01...
  • Page 24 Directional characteristic of the meter – horizontal orientation [dB] Angle 4500Hz 5000Hz 5600Hz 6300Hz 7100Hz 8000Hz 8500Hz 9000Hz 0° 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10° -0.08 0.14 0.10 -0.17 -0.39 0.07 -0.07 -0.01 20° -0.33 0.44 -0.04 -0.54 -0.68 -0.12...
  • Page 25 Directional characteristic of the meter – horizontal orientation [dB] Angle 9500Hz 10000Hz 10600Hz 11200Hz 11800Hz 12500Hz 0° 0.00 0.00 0.00 0.00 0.00 0.00 10° -0.22 0.06 -0.22 -0.37 0.00 -0.07 20° -0.34 -0.15 -0.46 -0.39 -0.45 -0.85 30° -0.54 -0.78 -0.69 -0.81 -1,10...
  • Page 26 Directional characteristic of the meter – vertical orientation [dB] Angle 250Hz 315Hz 400Hz 500Hz 630Hz 800Hz 1000Hz 1250Hz 0° 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10° -0.01 -0.01 0.02 -0.01 0.02 -0.01 -0.03 -0.02 20° -0.01 -0.01 0.04 -0.02 0.05 0.00...
  • Page 27 Directional characteristic of the meter – vertical orientation [dB] Angle 1600Hz 2000Hz 2240Hz 2500Hz 2800Hz 3150Hz 3550Hz 4000Hz 0° 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10° 0.03 -0.03 0.02 -0.06 0.08 -0.08 -0.08 0.07 20° 0.05 -0.09 0.05 -0.14 0.10 -0.15...
  • Page 28 Directional characteristic of the meter – vertical orientation [dB] Angle 4500Hz 5000Hz 5600Hz 6300Hz 7100Hz 8000Hz 8500Hz 9000Hz 0° 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10° -0.04 0.19 0.14 -0.06 -0.34 0.10 -0.41 0.13 20° -0.42 0.31 0.22 -0.28 -0.54 0.14...
  • Page 29 Directional characteristic of the meter – vertical orientation [dB] Angle 9500Hz 10000Hz 10600Hz 11200Hz 11800Hz 12500Hz 0° 0.00 0.00 0.00 0.00 0.00 0.00 10° -0.31 -0.16 0.04 -0.51 -0.24 -0.11 20° -0.84 0.20 -0.09 -0.83 -0.02 -0.32 30° -1,23 -0.36 -1,20 -1,05 -0.93...

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