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Chauvin Arnoux CA834 User Manual
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Chauvin Arnoux CA834 User Manual

Sound level meter
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Sonomètre
Sound level meter
Schallpegelmesser
Analizzatore di rumori
Sonómetro
F R A N Ç A I S
Notice d'utilisation
E N G L I S H
User's manual
D E U T S C H
Bedienungsanleitung
I T A L I A N O
Libreto d'Istruzioni
E S P A Ñ O L
Manual de Instrucciones
C A 8 3 4
1

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Summary of Contents for Chauvin Arnoux CA834

  • Page 1 C A 8 3 4 Sonomètre Sound level meter Schallpegelmesser Analizzatore di rumori Sonómetro F R A N Ç A I S Notice d’utilisation E N G L I S H User’s manual D E U T S C H Bedienungsanleitung I T A L I A N O Libreto d’Istruzioni...

  • Page 2: Table Of Contents

    You have just purchased a C.A 834 sound level meter and we would like to thank you for your trust. To obtain the best possible service from your instrument : - read this User’s manual carefully, - comply with the precautions for use. GUARANTEE Our guarantee is applicable, unless otherwise stated, for twelve months following the date of supply of the equipment (extract from our General Sales Conditions, available on request).

  • Page 3: Presentation

    1. PRESENTATION The C.A 834 sonometer-recorder is designed to evaluate sound nuisances according to safety requirements and current legislation. It conforms to standards IEC651 type 2 and ANSI S1.4 type 2 for sonometers. It is capable of a multitude of professional and domestic applications : the measurement of sound levels in factories, schools, offices, airports, studios, auditoriums, etc...

  • Page 4: Description Of The Instrument

    2. Keep the microphone well away from any sound-reflecting surface like walls or floors, to minimise any errors due to possible spurious reflexions. When measuring, hold the sonometer at arm’s length to avoid reflexion off your own body and to allow the sound to propagate freely in every direction. 3.
  • Page 5 2. LCD 4-digits display : Holding of maximum value Holding of minimum value OVER Indicates that the selected measurement range is inappropriate. Use the LEVEL button to select the suitable measurement range. UNDER Indicates that the selected measurement range is inappropriate. Use the LEVEL button to selected the suitable measurement range.

  • Page 6: Operation Of The Instrument

    4. OPERATION OF THE INSTRUMENT Choice of measurement range The sonometer has 3 set measurement ranges (30-80dB, 50-100dB, 80-130dB) and one automatic measurement range (30-130dB). To choose your measurement range, use the “LEVEL” push button. If the “UNDER” or “OVER” symbols appear permanently on the sreen, it indicates that you are using a measurement range that is too low or to high.
  • Page 7 MAX / MIN Mode Press the MAX/MIN push button to actvate the MAX/MIN mode. This is a way of recording the maximum and minimum levels reached during a measurement campaign. To display the maximum level, press once (MAX indicated on the screen) and to display the minimum level, press the push button again (MIN indicated on the screen).

  • Page 8: General Characteristics

    Activation / deactivation of the automatic shut off By default, the automatic shut off mode is activated when you switch on your unit. The instrument will switch off automatically after 30 minutes if none of the buttons is pressed, no recordings are being made or if none of the RS232 links is activated.

  • Page 9: Maintenance

    - Accuracy : ± 1.5dB - Frequency dynamics : 31.5Hz to 8kHz - Frequency weighting : A and C (as per IEC 651) - Time weighting : FAST : 125ms SLOW : 1s - RS232 input / output signal : 9600 bauds / no parity / 8 bits / 1 stop bit - Analogue output : AC output : 1VRMS at full-scale...

  • Page 10: To Order

    Cleaning the casing Clean the casing with a cloth and a little soapy water. Clean off with a damp cloth. Do not use any solvents. Metrological verification It is essential that all measuring instruments are regularly calibrated. For checking and calibration of your instrument, please contact our accredited laboratories (list on request) or the Chauvin-Arnoux subsidiary or Agent in your country.

  • Page 11: Software S-834

    8. SOFTWARE S-834 Recommended configuration - 90 MHz processor or higher - 32 MB of RAM - At least 5 MB on the hard disk for the installation of the software - Operating system: Windows 95 / 98 / NT 4.0 or higher - Recommended screen resolution: 800 x 600 Installating the software Close all the applications before installation...