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Cirrus Research doseBadge CR:112A, User Manual

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Cirrus Research doseBadge CR:112A User Manual Download Page 49

doseBadge User Manual 

 

 

Page 49 

 

Appendix 1 Specifications

 

 

The CR:112A & CR:112AIS doseBadge Personal Noise Dosimeter and the RC:112A 

Reader Unit have been designed to meet the requirements of IEC 61252:1993 Personal 

Sound Exposure Meters and the ANSI S1.25:1991 Personal Noise Dosimeters.  

 

The doseBadge and the RC:112A Reader unit must be used as a combination to ensure 

compliance with these standards. 

 

Intrinsic Safety Approval

 

 

The CR:112AIS doseBadge carries an MSHA Intrinsic Safety Approval as shown below. 

 

CR:112AIS doseBadge Personal Noise Dosemeter 

MSHA Intrinsic Safety Approval No. 18-A060027-0 

 

 

 

 

 

 

 

 

 

 

 

This approval covers the following components: 

 

CR:112AIS doseBadge 

SP:131 doseBadge Mounting Kit 

UA:100 doseBadge Windshield 

 

The standard CR:112A doseBadge is not approved for Intrinsic Safety and must not be 

used in areas when an Intrinsic Safety Approval is required. 

 

Applicable Standards

 

 

CR:112A doseBadge & CR:112AIS doseBadge 

IEC 61252:1993 Personal Sound Exposure Meters 

ANSI S1.25:1991 Personal Noise Dosimeters Class Designation 2AS-90/80-5 

 

RC:112A Reader Unit 

Internal Acoustic Calibrator to IEC 60942:2003 Class 2 

 

Measurement Range (Typical) 

 

80dB(A) to 140dB(A) RMS 

120dB(C) to 140dB(C) Peak 

 

Measurement Functions:

 

 

The CR:112A doseBadge the following measurement parameters: 

Summary of Contents for doseBadge CR:112A

Page 1: ...l Page 1 User Manual for the RC 112A Reader Unit and the CR 112A CR 112AIS doseBadge Personal Noise Dosimeters This manual the software to which it relates the program code and drawings are all Copyright Cirrus Research plc 1989 2021 Rev 02 ...

Page 2: ...esearch plc No liability is accepted for any inaccuracies or omissions in this manual although due care has been taken to ensure that is it complete and accurate as possible Accessories supplied by Cirrus Research plc have been designed for use with the instrumentation manufactured by Cirrus Research plc No responsibility is accepted for damage caused by the use of any other parts or accessories I...

Page 3: ...e History Measurement 17 Dose Exceedence 17 Shake to Wake function 18 Insert the doseBadge in the Acoustic Calibrator 19 Resetting the doseBadge 20 Calibrating the doseBadge 21 Mounting the doseBadge 22 Using the doseBadge Windshield 23 Starting the measurement 24 Using the RC 101A Keyfob Remote Control 24 Stopping a measurement 25 Checking the Calibration of the doseBadge 26 Downloading the measu...

Page 4: ...ubleshooting 42 The doseBadge 42 The RC 112A Reader 43 The Chargers 44 Section 8 Glossary Terminology 45 Terminology 45 Glossary 46 Appendix 1 Specifications 49 Appendix 2 Ordering Information 52 Appendix 3 Resetting the doseBadge and Reader Unit 53 Resetting the doseBadge 53 Warnings 53 Resetting the RC 112A Reader Unit 55 Appendix 4 CE Certificate of Conformity 56 Equipment Description 56 Warran...

Page 5: ... 101A doseBadge Keyfob and the CU 110A Charger Unit are not covered by the Intrinsic Safety Approval and must not be used in areas where an Intrinsic Safety Approval is required The standard CR 112A doseBadge is not approved for Intrinsic Safety and must not be used in environments where an Intrinsic Safety Approval is required doseBadge Battery Performance The NiMH rechargeable battery within the...

Page 6: ...ware The doseBadge system is supplied with the dBLink3 software package dBLink3 is a program that allows measurements to be downloaded from the RC 112A Reader unit to a PC The dBLink3 software automatically recognises an RC 112A Reader unit and allows measurements to be downloaded dBLink3 and the doseBadge Database are supplied on a CD ROM and require a PC running Microsoft 98SE or later Install t...

Page 7: ... are downloaded from the doseBadge to a Reader unit via an infra red link which removes the need for keys or controls on the instrument The CR 112A CR 112AIS doseBadge and RC 112A Reader Unit when used with the dBLink3 software provide Dual Threshold Measurements The configuration of the two channels is as follows Parameter Configuration Channel 1 Channel 2 Exchange Rate Q 5dB 5dB Criterion Time 8...

Page 8: ...mote control The RC 101A Keyfob also provides a method to start and stop the doseBadge without using the Reader unit Each doseBadge contains a rechargeable battery which powers the unit throughout the measurement period Each charge of the battery is designed for one measurement The battery contains sufficient power to carry out a single measurement for over 20 hours although the doseBadge will run...

Page 9: ...fically designed to suit the unique shape and performance of the doseBadge The Acoustic Calibrator is located on the top of the Reader unit Next to the Acoustic Calibrator is the InfraRed Port which is used to communicate with the doseBadge The battery compartment is located on the rear of the Reader unit The USB connector which is used to download data to a PC is located on the bottom of the Read...

Page 10: ...e the transmitter and receiver for communication with the Reader The charging point for the doseBadge is on the bottom in the centre and this is also used for the mounting of the doseBadge RC 101A Keyfob Remote Control The RC 101A Keyfob Remote control is designed to start and stop the doseBadge The Start and Stop buttons are used to send commands to the doseBadge When the Start or Stop buttons ar...

Page 11: ...rs for a completely flat doseBadge For a doseBadge that has a partially charged battery the charge time will be much shorter The CU 110A Charger Unit always charges ie there is no automatic discharge function The CU 110A is compatible with all previous versions of the doseBadge The CU 110A has a Discharge Charge cycle button on the bottom of the unit to allow for the doseBadges to be fully dischar...

Page 12: ...nit 24 At the end of the shift stop the session using the Stop key or use the Stop key of the Keyfob unit 25 Remove the doseBadge from the wearer and push into the calibration cavity on the Reader 26 Perform a second calibration check using the Cal key 26 Transfer the doseBadge session data to the Reader using the Read key 27 View the results 28 Download measurements to the software 28 Unpacking t...

Page 13: ...horter than this It is essential that this procedure is carefully followed otherwise damage will occur to the doseBadge battery Before using the doseBadges for the first time ensure that the units are allowed to charge fully The doseBadges should be regularly recharged to maintain the performance of the battery pack inside the doseBadge For further information regarding the charging and maintenanc...

Page 14: ...he doseBadge may be left on trickle charge when not in use Summary of Charger Indicators No Indicator doseBadge Not Connected Green LED Flashing doseBadge Charging Green LED On doseBadge Charged The CU 110A doseBadge Charger will display errors during charging if for example the doseBadge battery does not charge as expected In this case the Green LED will flash quickly to indicate the charging err...

Page 15: ...t the Reader is switched off The memory and clock of the Reader unit are protected when the main batteries are removed from the instrument The memory of the instrument is protected and the clock is kept for a maximum of 10 minutes Locate the battery compartment cover and remove it from the instrument Remove the batteries from the Reader unit and replace with batteries of equivalent type and qualit...

Page 16: ...not correct for Local National or International Regulations If you are in doubt about the correct settings for your system please contact your local Cirrus Research representative or contact Cirrus Research plc directly Please note that the RC 112A Reader Unit is not compatible with the CR 100A CR 100B or CR 110A versions of the doseBadge If the user attempts to program a CR 100A or CR 100B doseBa...

Page 17: ...tory download is shown at the bottom of the screen If the setting is not as required the setting can be changed For details of the procedure to change the Time History storage function refer to section 4 ΑConfiguration Options Dose Exceedence The CR 112A doseBadge can indicate when the 100 Noise Dose value has been exceeded during the measurement When this option is switched on the LED indicator o...

Page 18: ...er required to run the doseBadge and a fully charged unit will remain charged and ready for use for up to 28 days If the doseBadge is in Sleep mode it will not communicate with the Reader Unit until it has been woken by physically shaking the doseBadge To check if the doseBadge is in Sleep mode point the Reader Unit at the doseBadge and press the Stop button If the status indicator flashes blue th...

Page 19: ...hat if the doseBadge is running it will not go into Sleep mode The doseBadge will only enter Sleep mode if it has been stopped for more than 1 hour and does not receive commands from the Reader unit Please note that if the internal battery in the doseBadge is not charged it will not be possible to wake the doseBadge from Sleep mode Ensure that the doseBadge is fully charged before attempting to us...

Page 20: ... a measurement is made Resetting the doseBadge will clear any information from the doseBadge program the doseBadge with the user configuration set the date and time and prepare the unit for calibration The Reader will communicate with the doseBadge and when the Reset is complete the indicator on the doseBadge will flash twice If there is an error the Reader will indicate the problem When the doseB...

Page 21: ...t To calibrate the doseBadge press the Cal key When the calibration is complete the Reader unit will display the calibration information If the calibration of the doseBadge cannot be completed successfully the Reader will display an error message See Section 7 Troubleshooting for more details The Reader will display the calibration information until a key is pressed ...

Page 22: ...here the doseBadge must be mounted in an alternative location such as on a hard hat or other clothing or safety equipment The doseBadge should be mounted to the wearer on the shoulder as shown above Ensure that the doseBadge will not generate noise itself when the wearer moves The doseBadge window should be at the front to ease the starting and stopping of sessions using the infrared link with the...

Page 23: ...rements The windshield also reduces the effects of impacts upon the noise measurements which may cause false Peak C readings The windshield is secured between the doseBadge case and the mounting plate or patch Ensure that the hole in the windshield is aligned with the infrared window of the doseBadge The UA 100 doseBadge windshield can also prevent dust ingress into the microphone capsule ...

Page 24: ...dicator will show in the badge window for up to 2 seconds to show that it has received the message and started running If an indicator does not show then try again When the doseBadge is running and making a measurement the indicator will flash quickly to indicate that the unit is operating The doseBadge can now be left on the wearer The wearer should be instructed to avoid knocking the badge as th...

Page 25: ...ader will show the status of the communication between the doseBadge and the Reader on the display An indicator will flash through the doseBadge window to indicate the change from Run to Stop Handling the doseBadge will now have no affect on the measurements and so the doseBadge can now be removed from the wearer The doseBadge can also be stopped using the RC 101A Keyfob Remote Control ...

Page 26: ...Insert the doseBadge into the Acoustic Calibrator on the Reader unit ensuring that the InfraRed Port on the Reader is aligned with the InfraRed window on the doseBadge Press the Cal button to perform the second calibration The Reader will show the status of the communication between the doseBadge and the Reader on the display The second calibration does not affect the measurement information and i...

Page 27: ...ore reading measurement data from the doseBadge To download the measurement information from the doseBadge to the Reader press the Read key The Reader will display the status of the communication during the download period The Reader unit downloads the measurement parameters before downloading the Time History If there are errors during the download of the Time History data the Reader will store t...

Page 28: ...he doseBadge software Measurements can be downloaded from the Reader unit to the doseBadge software supplied with the RC 112A Reader Unit If the dBLink3 and dBase Database programs have been installed connect the Reader unit using the supplied USB cable to the PC The dBLink3 software will automatically connect to the Reader and the measurement information can be downloaded Please refer to the help...

Page 29: ...stic Calibrator This key is also used for the second calibration check if required 3 OK Accepts data entry or confirms menu options 4 Arrow Keys Allows the user to move around the menus and information shown on the display 5 Menu Displays the menu options 6 Read Downloads the measurement information from the doseBadge to the Reader 7 Stop Stops the doseBadge measurement 8 Run Starts the doseBadge ...

Page 30: ... User Manual Page 30 Menu Structure The menu system of the RC 112A Reader unit is entered by pressing the Menu key The menu system can be exited by pressing the Cancel key at any time The layout of the menu system is shown below ...

Page 31: ...rent time and date press the menu button to enter the menu options If the Reader time and time is not set then the display shows Please set clock The current Time and Date are shown at the bottom of the display If the Time and Date are not correct press the OK button to enter the Clock Set menu The default time format in the Reader Unit is hh mm ss and the default date format dd mm yy However the ...

Page 32: ...umulated noise has exceeded the Dose level For example if the Criterion Level is set to 90dB the 100 Noise Dose is equivalent to a level of 90dB over 8 hours If this Dose level is exceeded during the measurement the doseBadge indicator will flash twice per second This function can be switched On or Off as required This function uses the noise data measured by Channel 1 ...

Page 33: ...d return to the Measurement Display Mode If there are no measurements stored in the Reader unit the following information will be displayed Where measurements are stored the Reader will show the last measurement to be downloaded as follows This display shows that there are 10 measurement stored in the memory of the Reader and that the measurement shown is number 1 of 10 The arrow keys allow the me...

Page 34: ...CR 112A CR 112AIS doseBadge User Manual Page 34 ...

Page 35: ... paused the display will show a solid bar over the full height of the display The stored time history data is compressed into a sample size so that the entire time history will be displayed on a single graph For example a 3 hour 50 minute measurement will be displayed as 2 minute Lavg to allow all of the measurement information to be shown on the display The graph also display the start time of th...

Page 36: ...ese are covered below Shown when The Run Time and Leq are too low for the Reader unit to accurately calculate an LEX 8 value Shown when The value for the Noise Dose is too large to be calculated Shown when The value for the Estimated Noise Dose is too large to be calculated Shown when The doseBadge was not calibrated before the measurement was started ...

Page 37: ...ensure that you have sufficient access rights to install this software This software should be installed with full administration rights to ensure that the configuration of the software can be completed Cirrus Research plc accepts no responsibility for the installation of this software on systems where full access rights are not available Connecting the Reader to a PC The Reader unit must be conne...

Page 38: ...arp implements can damage the sensitive membrane underneath The RC 112A Reader Unit should be cleaned with a damp cloth only Ensure that the InfraRed port and the Acoustic Calibrator are free from damage and dirt Do not insert any sharp objects into the Acoustic Calibrator Storing the doseBadge If the doseBadge is left unused for a period of time longer than a few days it is recommended that the d...

Page 39: ...on the battery type and initial charge state The internal NiMH Nickel Metal Hydride battery like all rechargeable batteries will self discharge When arranged into a battery the individual cells within the battery not being identical will not all discharge at the same rate This means that the first cell to discharge may be forced into a reverse current situation by the other cells and will be damag...

Page 40: ...f the instrument Before changing the main batteries ensure that the Reader is switched off The memory of the Reader unit is protected when the batteries are removed The clock of the Reader will be reset after 15 minutes when the batteries are removed Locate the battery compartment cover and remove it from the instrument Remove the batteries from the Reader unit and replace with batteries of equiva...

Page 41: ...ery requires changing Carefully remove the small screws on the back of the Keyfob and lift off the back Slide the battery out and replace with a Lithium battery type CR2025 This is not a rechargeable battery Ensure that the PCB is located correctly within the case and replace the back cover Replace the two screws and secure the case ...

Page 42: ... on the Reader unit The InfraRed window on the doseBadge is not aligned with the InfraRed Port on the Reader Align the InfraRed window on the doseBadge with the InfraRed Port on the Reader unit The doseBadge will not Start The doseBadge has not been used for more than 1 hour and is in Sleep Mode Wake the doseBadge by shaking Refer to page for 18 details The doseBadge battery is flat Charge the dos...

Page 43: ...librator cavity on the Reader unit The ambient light is too high and is interfering with the Infra Red Communications Avoid using the doseBadge in very bright sunlight Shield the Infra Red windows from very bright light The Reader gives an error when Calibrating the doseBadge Not Compatible The doseBadge is a CR 100A or a CR 100B and the configuration is not supported by these units The Reader giv...

Page 44: ...Ensure that the CU 195A Power Supply is connected to a supply and to the Charger unit The mains power supply is damaged Contact your local representative The Green charging light does not flash when the doseBadge is connected The doseBadge is not properly connected to the charger Screw the doseBadge fully onto the charger unit The charger unit is not charging the doseBadges Perform a Power on Self...

Page 45: ...alue is used during the calculation of LAVG with any levels below the threshold not being included For example Assume the threshold level is set to 80dB and the exchange rate is 5dB which are the settings for OSHA s Hearing Conservation Amendment If a one hour measurement was taken in an environment where the noise levels varied between 50dB and 70dB the sound level would never exceed the threshol...

Page 46: ...e corresponds to the maximum permitted daily exposure or 100 noise dose Criterion Time CT The time in hours used in the calculation of the Dose and Estimated Dose measurement parameters By default this is set to 8 hours but can be configured to other durations in the Reader unit Peak The true peak level of the pressure wave not the highest sound pressure level which is termed the Lmax The CR 112A ...

Page 47: ...mum Sound level with A Frequency weighting and Slow Time weighting LCpeak Peak Sound pressure level with C frequency weighting LEP d Daily personal noise exposure as defined by ISO 1999 This is the LAeq t normalised over an 8 hour reference period LEP d assumes that the noise level for the rest of the 8 hour reference period is quiet Leq Equivalent continuous sound pressure level A measure of the ...

Page 48: ...ured expressed as a percentage of a fixed level For example the reference 100 level would be a continuous level of 90dB for 8 hours The Criterion Time CT and Criterion Level CL are used for the 8 hours and 90dB level Estimated Dose The Dose projected forward over an 8 hour duration assuming that the noise level continued at the same level for the rest of the 8 hour reference period The Criterion T...

Page 49: ...Noise Dosemeter MSHA Intrinsic Safety Approval No 18 A060027 0 This approval covers the following components CR 112AIS doseBadge SP 131 doseBadge Mounting Kit UA 100 doseBadge Windshield The standard CR 112A doseBadge is not approved for Intrinsic Safety and must not be used in areas when an Intrinsic Safety Approval is required Applicable Standards CR 112A doseBadge CR 112AIS doseBadge IEC 61252 ...

Page 50: ...nnel 1 Exceeded during measurement Memory CR 112A CR 112AIS doseBadge The CR 112A doseBadge can store up to 24 hours of data in a single measurement RC 112A Reader Up to 999 Individual doseBadge Measurements Weightings Frequency A for all RMS measurements C for Peak Sound Pressure Time Slow Exchange Rate 5dB doseBadge Configuration The CR 112A CR 112AIS doseBadge is configured with the following s...

Page 51: ... 114dB Calibration Frequency 1kHz Output doseBadge Infrared to RC 112A Reader Unit Reader USB2 0 Dimensions CR 112A doseBadge Microphone Apex 13 0mm Base 47mm Height 38mm CR 112AIS doseBadge Microphone Apex 13 0mm Base 47mm Height 38mm RC 112A Reader 160mm x 80mm x 38mm Environmental Temperature 10o C to 50o C Operating 20o C to 60o C Storage Humidity Up to 99 RH Non Condensing Weight CR 112A dose...

Page 52: ... CK 112A 10 CK 112AIS 10 Additional or spare components can be added to a system The following components are available CR 112A doseBadge CR 1102AIS doseBadge with MSHA Intrinsic Safety Approval RC 112A Reader Unit CU 195A Mains Power Supply Specify UK EU or USA Standard Plug UA 100 doseBadge Windshield SP 125 Mounting Kit for doseBadge SW 100 dBLink3 Software dBase Database Software RC 101A Keyfo...

Page 53: ... The purpose of this procedure to perform a hard reset on a doseBadge This procedure should only be followed if you have been instructed to do so by Cirrus Research on an individual unit The actions described in this procedure should not erase any data from your doseBadge unit but Cirrus Research plc do not take any responsibility for loss of data or any damage that occurs to your doseBadge from f...

Page 54: ...below the hole with the silver metal baseplate 5 Insert the doseBadge into the calibrator cavity on the top of your doseBadge reader Test the doseBadge is now communicating 6 Place the metal label back onto the bottom of the doseBadge Rotate the label until all three holes are lined up Care must be taken lining up the three holes If all three holes are not lined up rotate the metal label further I...

Page 55: ... that is located within the Battery Compartment on the back of the Reader Unit Please note that this reset procedure will not clear the memory and will only reset the internal microprocessor of the Reader Unit This may be required if the Reader Unit has been stored without batteries for a long period of time and the internal backup battery is discharged ...

Page 56: ...12A doseBadge Reader Unit CR 112A doseBadge Personal Noise Dosimeter CR 112AIS doseBadge Personal Noise Dosemeter RC 101A Keyfob Remote Control Unit CU 110A Charger Unit Along with their standard accessories According to EMC Directives 89 336 EEC and 93 98 EEC meet the following standards EN 61000 6 3 2001 EMC Generic emission standard for residential commercial and light industrial environments E...

Page 57: ...on of the warranty is given by Cirrus Research plc 8 The warranty becomes void if the instrument is not returned for calibration within 18 months or 78 weeks of purchase In the International Standard IEC 61672 this calibration is described as Routine Verification and it is required to ensure that any acoustic instrument measures correctly 9 On completion of the Routine Verification by Cirrus Resea...

Page 58: ...ors and agents are also available from the Internet Web site at the address shown below Main Office Cirrus Research plc Acoustic House Bridlington Road Hunmanby North Yorkshire United Kingdom YO14 0PH Telephone 0845 23 0 2434 44 1723 891655 Fax 01723 891742 e mail sales cirrusresearch co uk Technical Support support cirrusresearch co uk Web Site www cirrusresearch co uk Germany Cirrus Research Bur...

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