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geo-FENNEL FSM 130 User Manual
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geo-FENNEL FSM 130 User Manual

Sound level meter
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User's Manual
Sound Level Meter

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Summary of Contents for geo-FENNEL FSM 130

  • Page 1 User’s Manual Sound Level Meter...
  • Page 2 ntents (1)Make the following buttons and function switch settings. Display: dB, A, Hi or Lo, F Function: A-Weighting Title Page Response Time: FAST Safety Information..........1 Level range: 30 to 100dB(Lo) or 60 to 130dB(Hi) General Description..........1 Measurement mode: MAX Hold and Data Hold Mode function disable.
  • Page 3 B B B B . VIII￡ ￡ ￡ ￡ Calibration Procedures Safety information Read the following safety information carefully before attempting Using a standard Acoustic Calibrator (94dB, 1kHz Sine wave) to operate or service the meter. Use the meter only as specified in this manual; otherwise, the protection provided by the meter may be impaired.
  • Page 4 (4) Hold the instrument comfortably in hand or fix on tripod and This unit conforms to the IEC651 type 2, ANSI S1.4 type 2 for point the microphone at the suspected noise source, the Sound Level Meters. sound pressure level will be displayed. This Sound Level Meter has been designed to meet the (5) When MAX (maximum hold) mode is chosen.
  • Page 5 : 60-130dB (2) To achieve more accurate measurement, use an extension Accuracy : + 1.5dB (under reference conditions) cable to separate the Microphone from the main body so Alarm function : “OVER” is show when input is out of that the effect of unexpected sound reflection can be range eliminated.

  • Page 6: Name And Functions

    w w w w MAX/ Hold button MAX/HOLD The max. Hold position is used to measure the maximum level V. Name and Functions of sounds. The maximum measured level is up dated continuously. Press once again the button, will release the hold and allow a further measurement.
  • Page 7 p p p p ! ! ! ! Windscreen r r r r Power ON/OFF button If you operate at wind speed over 10m/sec, please put protective Turn the meter power ON/OFF accessories in front of the microphone. s s s s Backlight Button: q q q q ! ! ! ! Display Turn the meter backlight ON/OFF t t t t A-weighting / C-weighting select button...