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Casella HB3340-02 Operator's Manual

Cel-600 series sound level meter
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CEL-600 SERIES SOUND LEVEL METER
CASELLA CEL
Regent House,
Wolseley Road,
Kempston,
Bedford,
MK42 7JY, U.K.
Phone: +44 (0) 1234 844 100
Fax: +44 (0) 1234 841 490
E-mail: info@casellacel.com
Web: www.casellacel.com
August 2009
HB3340-02
OPERATOR'S MANUAL
CASELLA USA
17 Old Nashua Road,
# 15, Amherst,
NH 03031,
U.S.A.
Toll Free: +1 (800) 366 2966
Fax: +1 (603) 672 8053
E-mail: info@casellaUSA.com
Web: www.casellaUSA.com
CASELLA ESPANA S.A.
Polígono Európolis
Calle C, nº4B
28230 Las Rozas - Madrid
Spain
Phone: + 34 91 640 75 19
Fax: + 34 91 636 01 96
E-mail: online@casella-es.com
Web: www.casella-es.com
CASELLA CHINA（中国）
CASELLA CHINA（中国）
地址
地址
北京东城区东方广场W1座911室
北京东城区东方广场W1座911室
邮编: 100738
邮编: 100738
电话: 0086 10 85183141
电话: 0086 10 85183141
传真: 0086 10 85183143
传真: 0086 10 85183143
电子邮件: info@casellameasurement.cn
电子邮件:
网址: www.casellachina.cn
info@casellameasurement.cn
网址: www.casellachina.cn

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  • Page 1 CEL-600 SERIES SOUND LEVEL METER HB3340-02 OPERATOR’S MANUAL CASELLA CEL CASELLA USA CASELLA ESPANA S.A. CASELLA CHINA（中国） CASELLA CHINA（中国） Regent House, 17 Old Nashua Road, Polígono Európolis 地址 地址 Wolseley Road, # 15, Amherst, Calle C, nº4B 北京东城区东方广场W1座911室 北京东城区东方广场W1座911室 Kempston,...
  • Page 2 Casella CEL Limited...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION TITLE PAGE Introduction Instrument Features Operation Switch On Setting Screens Date & Time Screens Set Language Set Backlight Set Run Duration Calibration ref Level View Memory Results Delete Memory results Run Screens Instrument Calibration Extracting Data System Tools Storage Low and High Level Sound...

  • Page 4: Introduction

    1. INTRODUCTION CEL-600 Series is a range of Sound Level Meters been designed to meet the demands of worldwide industrial health and safety professionals as well as general noise measurement applications. The instrument encompasses functionality from basic sound level measurement to integrating and real-time octave band analysis. The CEL-600 instrument is based on the very latest digital signal processing technology and has a crisp, vibrant colour TFT LCD display.

  • Page 5: Casella Cel Limited

    To navigate within a screen use the Cursor Keys (6). Not all the screens have navigable fields on the display. To navigate from one screen to another, use the Soft Keys (5). To start a ‘run’ (measurement), press the Start key (7); to stop the run press the same key again.
  • Page 6 BATTERY INSTALLATION (Refer to Figure 2) CAUTION: The batteries can be zinc carbon, alkaline or rechargeable. Do not mix battery types. The CEL-62X Instrument requires three AA batteries. Remove the battery compartment cover. Check correct polarity. Fit the batteries. Refit the battery cover. Press and release the ON/OFF Key.

  • Page 7: Operation

    3. OPERATION A. SWITCH ON the CEL-62X INSTRUMENT (Refer to Figure 3) Press the red power key to switch the instrument on (see Figure 1). The instrument software screens have been designed with colour coded top and bottom bars to enable the user to know at a glance which part of the firmware (operating system) is currently being accessed.

  • Page 8: Setting Screens

    Figure 3 Switch ON the CEL-62X B. SETTINGS SCREENS (Refer to Figure 4) Note: Press EXIT (A) at any time to go back to the previous screen. SETTINGS The Settings menu allows configuration of instrument setup, time/date, language, backlight, run duration timer and calibration level. Use Cursors (C) to select the Settings icon (1) and press Select (B).
  • Page 9 MEASUREMENT VIEW. Predefined views are available to satisfy measurements for international workplace noise legislation. Use the cursor keys (C) to select the required view and press (B) to activate the measurement view. The Measurement View with the word ACTIVE next to it will be used for measurement runs.
  • Page 10 USER 1 AND 2 MEASUREMENT PARAMETERS The Functions screens allow the Operator to select up to nine functions for the measurement ’run’. A counter replaces the battery level indicator at the foot of the screen. The counter displays the number of parameters selected. Press the Functions key (B) and use the cursor keys (C) to navigate up/down/left/right.

  • Page 11: Date & Time Screens

    C. DATE AND TIME SCREENS (Refer to Figure 5) SETTINGS From the Menu select the Settings icon (1) and press (B) to select. SET CLOCK Use the cursors (C) to select the Set Clock icon and press (B) to select. SET TIME The screen will be displayed with the Time highlighted.

  • Page 12: Set Language

    D. SET LANGUAGE (Refer to Figure 6) LANGUAGE From the Menu select Settings (1). Use the cursor keys (C) to navigate to the World icon (2). Press Select (B). Use cursors (C) to select the desired language and press (B) to select. Press Exit (A) when finished.
  • Page 13 DURATION. If the Activation mode is set to Keypress, the duration the backlight remains on can be set. Press cursor key (C) to navigate to highlight Duration. To set the Duration press Edit (B). The Duration field will be highlighted with the Minutes enabled.

  • Page 14: Set Run Duration

    F. SET RUN DURATION (Refer to Figure 8) RUN DURATION The Duration timer allows measurements runs to be performed over a specified time. At the end of this time the measurement will automatically be stopped. From the Menu select Settings (1). Use the cursor keys (C) to navigate to the Run Duration icon (2).

  • Page 15: Calibration Ref Level

    G. CAL. REF. LEVEL (Refer to Figure 9) Note: For Instrument Calibration refer to Section K – Calibration Screens. For free field and microphone corrections to the calibrator level refer to “Sound Calibrators – Level Corrections” in Appendix B. CAL. REF. LEVEL The Calibration Reference Level is used to set the instrument’s calibration level to the exact level of your calibrator plus any other required corrections.

  • Page 16: View Memory Results

    H. VIEW MEMORY RESULTS (Refer to Figure 10) This is where the results from completed measurements are stored. The Memory Results are stored in a chronological order, with the latest measurement at the top of the list. MEMORY RESULTS From the Menu screen, use the cursor keys to select the Memory Results icon (1). Press Select (B) to access the memory.

  • Page 17: Delete Memory Results

    Figure 10 View Memory Results (Sheet 2) I. DELETE MEMORY RESULTS (Refer to Figure 11) From the chronological list of measurement runs, use the Up/Down cursors (C) to navigate the listed results. When a Memory Result has been selected, press Select (B) to go to the next screen.

  • Page 18: Run Screens

    J. RUN SCREENS (Refer to Figure 12) The Instrument has four Run screens: The Main screen, the Graph screen, the Octaves screens and the Octaves Values screen, the last two of which are only available on the CEL-62XB and CEL-62XC. Switch ON the instrument as detailed in Figure 3.

  • Page 19: Instrument Calibration

    Figure 13 CEL-62XA Run Screens CEL-62XB & CEL-62XC (Refer to Figure 14). The CEL-62XB and CEL-62XC provides two additional octave screens shown in Figure 14. Use the View key (B) to toggle the four available screens. Use the left/right cursor keys (C) to move across the frequency bands (1) when in graphical view. Use up/down cursor keys (C) to toggle between LMAX and LEQ parameters (2).

  • Page 20: Extracting Data

    Remove the acoustic calibrator. Press EXIT (A) to go back to the Stop screen. Press and hold the acoustic calibrator ON/OFF Key to switch the calibrator off. Figure 15 Instrument Calibration L. EXTRACTING DATA (Refer to Figure 16) Each measurement run is stored as a file within the CEL-62X in a .CSV format. This format will automatically open with MS EXCEL or similar office applications.

  • Page 21: System Tools

    M. SYSTEM TOOLS (Refer to Figure 17) The system tools menu can be accessed from the startup screen by pressing the left/right cursor keys (C) together. Note that these functions need not be used within general operation and stored results will be lost if incorrectly used. Their primary function is for calibration laboratories or diagnostic purposes.
  • Page 22 Note: As the CEL62X is a single range instrument capable of reading to zero dB, and the only non linearity error will be due to self generated noise, then there is no under- range indicator. )/10 )/10 = 10log(10 – 10 Where = Actual corrected sound level = Measured sound level...

  • Page 23: Specifications

    6. SPECIFICATIONS GENERAL The CEL-62X provides SPL, Integrating and Octave band noise measurement compliant with the following international standards:- IEC 61672-1 2002-5 (Electro-Acoustics – Sound Level Meters) Group ‘X’ instruments. Performance of Class 1 or 2 as relevant to instrument model. IEC 60651: 1979, IEC 60804: 2000, ANSI S1.4: 1983, ANSI S1 1/1 Octave and 1/3 Octave Filters comply with EN61260: 1996, Class 0 and ANSI S1.11 1986, Order-3 Type 0C.
  • Page 24 OPERATING ENVIRONMENTAL CONDITIONS Humidity: 5 to 90%RH in the absence of condensation. Temperature range: -10 to +50 C (Class 1), 0 to +40 C (Class 2) Pressure: 65 to 108kPa EFFECT OF TEMPERATURE Electrical stability of instrument < ±0.2 dB over the range -10 to +50 EFFECTS OF HUMIDITY Less than ±0.5dB over the range 25 to 90% relative humidity (non-condensing), relative to the value at reference conditions.
  • Page 25 TRIPOD MOUNTING Socket to mount on standard 1/4" (Whitworth) camera tripod thread. DISPLAY 320x240 Transmissive Colour TFT. Update period 0.5 seconds. MEMORY Micro SD 1GB Non-volatile internal. CONNECTIVITY (Refer to Figure 18) USB: Mini B to download to dB36 software or to explore via Windows Explorer to obtain .CSV file.
  • Page 26 AVAILABLE PARAMETERS Broadband DISPLAYED FUNCTIONS SLM RESPONSE NOTES RMS Weight Time Weight Displayed Function Format Example Measures single √ √ √ √ √ √ L(wt) W and T weighting Lmx adopts frequency √ √ √ √ √ √ SPLmax L(wt)mx ZSMAX weighting as selected for SPL...
  • Page 27 Additional 1/1 Octave & 1/3 Octave Band Functions for CEL-62XB & CEL-62XC DISPLAYED FUNCTIONS SLM RESPONSE RMS Weight Time Weighting Displayed NOTES Function Format Example √ √ √ √ √ L(wt) Only Z weighting √ √ √ √ √ SPLmax L(wt)mx ZSMAX is saved...

  • Page 28: Servicing And Warranty Arrangements

    7. SERVICING AND WARRANTY ARRANGEMENTS To ensure conformity with the specification, this instrument is thoroughly inspected and it’s accuracy verified prior to dispatch. All technical information is filed under the instrument serial number, which should be quoted in any correspondence. The manufacturer undertakes to rectify any defect in the instrument directly attributable to faulty design or assembly and which becomes apparent during the warranty period.

  • Page 29: Appendix A - Glossary Of Terms

    8. APPENDIX A GLOSSARY OF TERMS This Appendix gives a glossary of the acoustic terminology used in this manual. For further information, please contact Casella CEL or your local representative. A, C and Z WEIGHTING (WEIGHTED) A standard weighting of the audible frequencies designed to approximate the response of the human ear to noise.
  • Page 30 included. For example, assume the threshold level is set to 80dB and the exchange rate is 5dB (Q = 5). If a one hour measurement was taken in an environment where the noise levels vary between 50 and 70dB, the sound level would never exceed the Threshold so the instrument would record no value for the LAVG.

  • Page 31: Appendix B - Additional Information

    9. APPENDIX B ADDITIONAL INFORMATION IEC61672-1:2002 section 9.3 (Information for testing) a) Reference Sound Pressure Level The reference sound pressure level is selectable to be 94 dB or 114 dB. b) Reference Level Range The CEL-62X is a single level range instrument of 0 to 140 dB. c) Microphone Reference Point The microphone reference point is the centre of the diaphragm of the microphone.
  • Page 32 e) Linear Operating Range The lower and upper limits of the linear operating ranges for electrical input, or using a CEL-251 microphone; (add 10dB to the lower limit when using a CEL-252 microphone) Weighting 31.5 Hz 1 kHz 4 kHz 8 kHz 12.5 kHz 30 to 100...
  • Page 33 12VDC supply range is 9 to 14 volts. USB supply range is 4.5 to 5.5 volts. k) Display Device The display device will display the complete linear operating range. l) Environmental Stabilisation Time The typical time to stabilise after sudden changes in environment conditions. 5 minutes after a 10 C change in temperature.

  • Page 34: Casella Cel Limited

    Casella CEL-62X with CEL-251 Microphone Free Field response with and without Wind Screen. Nominal Actual 0 Degree 0 Degree Effect of 0 Degree 0 Degree Expanded Frequency Frequency Free Field Free Field Wind Free Field Free Field uncertainty Response Corrections Screen Response Corrections...
  • Page 35 CEL-62X with CEL-251 Microphone directional response (dB) relative to zero degrees. Orientation of CEL-62X - Display at 0 degrees relative to ground. Nominal Actual Frequency Frequency (Hz) (Hz) 501.19 0.00 0.01 0.01 0.00 -0.02 -0.05 -0.09 -0.20 -0.20 -0.26 -0.32 -0.35 -0.37 -0.36...
  • Page 36 CEL-62X with CEL-251 Microphone directional response (dB) relative to zero degrees. Orientation of CEL-62X - Display at 90 degrees relative to ground. Nominal Actual Frequency Frequency (Hz) (Hz) 501.19 0.00 0.00 0.00 0.00 -0.01 -0.03 -0.06 -0.11 -0.16 -0.21 -0.25 -0.27 -0.28 -0.28...
  • Page 37 Sound Calibrators – Level Corrections Sound level calibrators apply sound pressure to a microphone in a closed cavity. The response of a microphone in a free field at 1kHz will be slightly different to that of a pressure field. Also some calibrators are affected by the volume of the microphone changing the volume of the calibrator cavity.

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