Table of Contents
Summary of Contents for Cirrus Research CR:514
- Page 1 CR:514 & CR:515 Acoustic Calibrator User Manual 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 1989-2021...
- 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
CR:514 & CR:515 Acoustic Calibrator User Manual Page 3 Operation........................4 Switching on the Calibrator ..................... 4 Permanent-on Mode ......................... 4 Calibrating a Sound Level Meter..................5 Background Noise ......................5 Stabilisation ........................5 Changing the Battery ....................6 Battery type. -
Page 4: Operation
Page 4 CR:514 & CR:515 Acoustic Calibrator User Manual Operation. Switching on the Calibrator Press the aPower Button on the end of the Calibrator to switch the unit on. The Indicator will illuminate to show that the unit is operating. -
Page 5: Calibrating A Sound Level Meter
CR:514 & CR:515 Acoustic Calibrator User Manual 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 User Manual 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. -
Page 7: Specification
CR:514 & CR:515 Acoustic Calibrator User Manual 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... -
Page 8: Technical Information
Page 8 CR:514 & CR:515 Acoustic Calibrator User Manual 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: Free Field Correction
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 three microphone capsules commonly used in Calibration Laboratories: Microphone Correction Values... -
Page 10: Eu Declaration Of Conformity
Page 10 CR:514 & CR:515 Acoustic Calibrator User Manual EU Declaration of Conformity Manufacturer: Cirrus Research plc Acoustic House, Bridlington Road Hunmanby, North Yorkshire, YO14 0PH United Kingdom Equipment Description The following equipment manufactured after 1 January 2017: CR:514 Acoustic Calibrator... -
Page 11: Type Approval Certification
CR:514 & CR:515 Acoustic Calibrator User Manual Page 11 Type Approval Certification... - Page 12 Page 12 CR:514 & CR:515 Acoustic Calibrator User Manual...
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Page 13: Product Guarantee & Extended Warranty
1. The initial guarantee covers all faults and accidental damage to the product. 2. Warranty extension If the product is returned to Cirrus Research plc or one of its Authorised Service & Calibration Centres for routine verification & calibration after the initial guarantee period, upon completion of the verification the product will be given an additional free one (1) year warranty. - Page 14 CR:514 & CR:515 Acoustic Calibrator User Manual 8. Where an instrument is being returned under the guarantee or warranty, it must be returned to Cirrus Research plc without undue delay at the customer’s risk with transportation charges prepaid. 9. Where the product is deemed to be faulty due to manufacturing defects, Cirrus Research plc shall: a.
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Page 15: Cirrus Research Offices
Page 15 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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