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Summary of Contents for Cirrus CR:514
- Page 1 CR:514 & CR:515 Acoustic Calibrator Page 1 CR:514 & CR:515 Acoustic Calibrator User Manual This manual, the software to which it relates, the program code and drawings are all: © Copyright Cirrus Research plc 1989-2013...
- Page 2 The content of this manual, any illustrations, technical information and descriptions within this document were correct at the time of going to print. Cirrus Research plc reserves the right to make any changes necessary, without notice, in line with the policy of continuing product development and improvement.
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Page 3: Table Of Contents
Appendix 2 – Free Field Correction ................9 Microphone Correction Values ....................9 Example ..........................9 Appendix 3 - CE Declaration of Conformity ..............10 Appendix 4 Type Approval Certification ..............11 Warranty Information....................13 Cirrus Research Offices ............Error! Bookmark not defined. -
Page 4: Operation
Page 4 CR:514 & CR:515 Acoustic Calibrator Operation. Switching on the Calibrator Press the Power Button on the end of the Calibrator to switch the unit on. The Indicator will illuminate to show that the unit is operating. The calibrator will automatically switch off after 5 minutes to preserve battery power. -
Page 5: Calibrating A Sound Level Meter
CR:514 & CR:515 Acoustic Calibrator Page 5 Calibrating a Sound Level Meter. Push the microphone of the Sound Level Meter into the cavity at the end of the calibrator. Ensure the microphone is fully inserted into the cavity and is past the ‘O’ ring seals. -
Page 6: Changing The Battery
CR:514 & CR:515 Acoustic Calibrator Changing the Battery The CR:514 & CR:515 acoustic calibrators use a single 9v alkaline battery. This type of battery is known as 6F22 or NEDA 1604. It is also commonly known as PP3. Unscrew the screw holding the battery cover on, using a coin. -
Page 7: Specification
Page 7 Specification. Frequency 1kHz ± 1% Sound Level 94dB re 20μPa Standardisation CR:514 - IEC 60942:2003 Class 2 CR:515 - IEC 60942:2003 Class 1 Distortion Less than 2% Operating Humidity 25 to 90% Relative Humidity Operating Static Pressure 65 kPa to 108kPa... -
Page 8: Appendix 1 - Technical Information
Page 8 CR:514 & CR:515 Acoustic Calibrator Appendix 1 – Technical Information The normal mode of operation of the calibrator is with the unit switched on. When the LED indicates the unit is switched on this produces the greatest radio frequency emissions. -
Page 9: Appendix 2 - Free Field Correction
The correction is typically -0.3dB for ½ inch microphones (making the effective calibration level 93.7dB). The table below shows the correction values for the standard microphones of Cirrus Research plc. Calibration corrections are listed below for the Cirrus Research plc ½" Capsules and... -
Page 10: Appendix 3 - Ce Declaration Of Conformity
Page 10 CR:514 & CR:515 Acoustic Calibrator Appendix 3 - CE Declaration of Conformity Cirrus Research plc Hunmanby UK CE Certificate of Conformity Manufacturer: Cirrus Research plc Acoustic House, Bridlington Road Hunmanby, North Yorkshire, YO14 0PH United Kingdom Telephone +44 1723 891655... -
Page 11: Appendix 4 Type Approval Certification
CR:514 & CR:515 Acoustic Calibrator Page 11 Appendix 4 Type Approval Certification... - Page 12 Page 12 CR:514 & CR:515 Acoustic Calibrator...
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Page 13: Warranty Information
12. In the event of any dispute on the terms of the warranty Cirrus Research plc will accept pendulum arbitration by the United Kingdom Institute of Acoustics Ltd. -
Page 14: Cirrus Research Offices
CR:514 & CR:515 Acoustic Calibrator Cirrus Research Offices The addresses given below are the Cirrus Research plc offices. Cirrus Research plc also have approved distributors and agents is many countries worldwide. For details of your local representative, please contact Cirrus Research plc at the address below. Contact details for Cirrus Research authorised distributors and agents are also available from the Internet Web site at the address shown below.
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