Pulsar 22 User Manual
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Pulsar 22 User Manual

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  • 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. Pulsar Instruments plc reserves the right to make any changes necessary, without notice, in line with the policy of continuing product development and improvement.

  • Page 3: Table Of Contents

    Pulsar Model 22 User Manual Page 3 Guidelines for Safe & Efficient Use ................... 5 Warnings ........................5 Calibration of the dosemeter ................... 5 dosemeter Configuration ....................5 dosemeter Battery Performance ..................5 Recharging the battery ......................6 Storage of the dosemeter ......................6 Battery Operating Life ......................
  • Page 4 Cycle Charge of the dosemeter Battery ..................48 Changing the Reader Batteries ..................49 Changing the RK1 Keyfob Battery .................. 50 The MODEL 22 dosemeter .................... 51 The MODEL 22R Reader ....................52 CHR22 Charger ......................53 Terminology ....................... 54 Glossary ........................

  • Page 5: Guidelines For Safe & Efficient Use

    Please refer to Appendix 3 dosemeter Calibration on page 63 for details of the recommended calibration procedure for the dosemeter. dosemeter Configuration The MODEL 22 dosemeter can be configured to meet the requirements of many different Occupational Noise and Industrial Hygiene Regulations and Guidelines.

  • Page 6: Recharging The Battery

    Storage of the dosemeter The dosemeter should be stored in a fully charged state. If the MODEL 22 dosemeter is not used for 1 hour, it will shut down and go into sleep mode.
  • Page 7 This software should be installed with full administration rights to ensure that the configuration of the software can be completed. Pulsar Instruments plc accepts no responsibility for the installation of this software on systems where full access rights are not available.
  • Page 8 This version of the dosemeter, the MODEL 22 and the MODEL 22R Reader Unit, provide a range of configuration options which allow the system to be used to measure and record noise levels to most Occupational Noise and Industrial Hygiene Regulations.
  • Page 9 Pulsar Model 22 User Manual Page 9 Please note that the MODEL 22R Reader unit supports all previous versions of the Personal Noise Dosemeter. However some features and functions may not be available when using the MODEL 22R Reader with previous versions (Model 20, Model 20-TH) of the dosemeter.

  • Page 10: How The Dosemeter Works

    Page 10 Pulsar Model 22 User Manual How the dosemeter works The dosemeter is controlled by the Reader unit through an Infrared link. The link between the dosemeter and the Reader is used to send information in a similar way to a television remote control.

  • Page 11: Model 22R Reader Unit

    Pulsar Model 22 User Manual Page 11 Section 2 Layout & Controls MODEL 22R Reader Unit The figure below shows the layout of the MODEL 22R Reader Keypad. The MODEL 22R Reader unit has an integral Acoustic Calibrator that has been specifically designed to suit the unique shape and performance of the dosemeter.

  • Page 12: Model 22 Dosemeter

    Page 12 Pulsar Model 22 User Manual MODEL 22 dosemeter The layout of the MODEL 22 dosemeter is shown on the right. The microphone capsule is mounted in the top of the dosemeter in a shock mount to reduce the noise generated from movement or handling of the case.

  • Page 13: Chr22 Charger Unit

    Pulsar Model 22 User Manual Page 13 CHR22 Charger Unit The CHR22 Charger Unit replaces all previous versions of the dosemeter chargers and is compatible with all versions of the dosemeter. The charger has a number of new and important features which are different from the previous CHR-20 Chargers Units.

  • Page 14: Quick Start

    There are different ways to use a dosemeter and Reader. The following simple instructions should be followed to carry out personal sound exposure measurements using a single MODEL 22 dosemeter and MODEL 22R Reader. Ensure that you have read all of the instructions and information contained in this manual before operating the equipment.

  • Page 15: Charging The Dosemeters

    Pulsar Model 22 User Manual Page 15 Charging the dosemeters Please note that this manual refers to the CHR22 Charger Unit only. The information given does not apply to any previous version of the Charger Unit. The CHR22 is identified by a Black Case with the older charger units having a White Case.
  • Page 16 Page 16 Pulsar Model 22 User Manual During the charge cycle, the green indicator will flash to show that the charging is in progress. Once charging has finished, the green indicator stops flashing and remains on continuously. At this time the dosemeter is receiving a trickle charge to keep it topped up. To ensure optimum operation, the dosemeter may be left on trickle charge when not in use.

  • Page 17: Inserting The Model 22R Reader Batteries

    Pulsar Model 22 User Manual Page 17 Inserting the MODEL 22R Reader Batteries The MODEL 22R Reader unit requires batteries to operate. The dosemeter contains a rechargeable battery pack which is replaced when the dosemeter is returned for service and recalibration.

  • Page 18: Switching On The Reader Unit

    Pulsar Instruments plc accepts no responsibility for the accuracy of measurements made where the configuration of the dosemeter and Reader unit is not correct for Local, National or International Regulations.

  • Page 19: Time History Measurement

    3dB Exchange Rates, and as 1 Minute Lavg samples for 4dB or 5dB samples. Please note that this manual refers to the MODEL 22 dosemeter and MODEL 22R Reader Units that provide Dual Channel Measurement. The configuration options for the Criterion Time, Criterion Level, Threshold Level, Time Weighting and Exchange Rate detailed below apply to Channel 1.

  • Page 20: Criterion Level (Cl)

    Page 20 Pulsar Model 22 User Manual Criterion Level (CL) From the menu, select the Criterion Level position. The current setting for the Criterion Level is shown at the bottom of the screen. If the setting for the Criterion Level is not correct, the RC:110A Main Menu value can be selected from the list provided.

  • Page 21: Exchange Rate Setting (Q)

    It is recommended that this option is left switched ON. Dose Exceedence The MODEL 22 dosemeter can indicate when the 100% Noise Dose value has been exceeded during the measurement. When this option is switched on, the LED indicator on the dosemeter will flash twice every second to indicate that the noise exposure has exceeded the 100% Dose value.
  • Page 22 Please read the information below carefully before using the dosemeter. In the MODEL 22 dosemeter, a function has been added to lengthen the battery life of the unit. If the dosemeter has not been used for 1 hour and it is not measuring data, it will go into Sleep mode.

  • Page 23: Insert The Dosemeter In The Acoustic Calibrator

    Pulsar Model 22 User Manual Page 23 To wake the dosemeter, shake the unit as shown in the diagram above. When the sensor is activated, the dosemeter status indicator will flash (blue) twice and the dosemeter can be used. Note that the sensor may be activated when the dosemeter is removed from the charger unit or when it is handled.

  • Page 24: Resetting The Dosemeter

    Page 24 Pulsar Model 22 User Manual The dosemeter must be pushed firmly into the calibrator cavity to make sure that there is a good quality seal around the microphone. If the dosemeter is not pushed into the calibrator cavity, the acoustic calibration level will be reduced and the calibration will fail.

  • Page 25: Calibrating The Dosemeter

    Pulsar Model 22 User Manual Page 25 Calibrating the dosemeter The dosemeter must be calibrated before operation to ensure that the measurements are correct. To calibrate the dosemeter, press the Cal key. Press the Cal button to calibrate the dosemeter...

  • Page 26: Mounting The Dosemeter

    Page 26 Pulsar Model 22 User Manual Mounting the dosemeter The dosemeter is supplied, as standard, with accessories to mount the dosemeter on the shoulder of the wearer. There may be applications where the dosemeter must be mounted in an alternative location, such as on a hard hat or other clothing or safety equipment.

  • Page 27: Using The Dosemeter Windshield

    Pulsar Model 22 User Manual Page 27 Using the dosemeter Windshield The optional WS22 dosemeter Windshield can be used to reduce the effects of air movement upon the noise measurements. The windshield also reduces the effects of impacts upon the noise measurements which may cause false Peak(C) readings.

  • Page 28: Starting The Measurement

    Page 28 Pulsar Model 22 User Manual Starting the measurement To start a measurement session, hold the Reader with the Infrared link aimed at the Infrared link window of the dosemeter. The Reader and dosemeter can be up to 50cm apart.

  • Page 29: Stopping A Measurement

    Pulsar Model 22 User Manual Page 29 Stopping a measurement At the end of a measurement period, hold the Reader up to the dosemeter as shown above and press the Stop key. Press the Stop button to stop the dosemeter.

  • Page 30: Checking The Calibration Of The Dosemeter

    Page 30 Pulsar Model 22 User Manual Checking the Calibration of the dosemeter The calibration of the dosemeter can be checked by removing the unit from the wearer and performing the same calibration procedure as described above. This records the second calibration value into the dosemeter.

  • Page 31: Downloading The Measurements To The Reader Unit

    Pulsar Model 22 User Manual Page 31 Downloading the measurements to the Reader Unit The dosemeter must be in the Acoustic Calibrator cavity on the Reader before the measurements are downloaded. If the Time History Measurement configuration has been set to Off, no Time History data will be downloaded from the dosemeter.

  • Page 32: Viewing Stored Measurements

    MODEL 22R Reader unit. If the Pulsar AnalyzerPlus software has been installed, connect the Reader unit using the supplied USB cable to the PC. The Pulsar AnalyzerPlus software will automatically connect to the Reader and the measurement information can be downloaded.

  • Page 33: Model 22R Reader Keypad

    Pulsar Model 22 User Manual Page 33 Section 4 Configuration & Options MODEL 22R Reader Keypad Reader The keypad of the MODEL 22R Reader unit has the following keys as shown in the figure above: (1) Reset Resets the dosemeter. All information in the dosemeter is deleted and the configuration data programmed.

  • Page 34: Menu Structure

    Page 34 Pulsar Model 22 User Manual Menu Structure The menu system of the MODEL 22R 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...

  • Page 35: Clear The Memory Of The Reader

    The default time format in the Reader unit is hh:mm:ss and the default date format dd/mm/yy. However, the Pulsar AnalyzerPlus software allows the user to change these to suit the country where the dosemeter will be used. Please refer to the Pulsar AnalyzerPlus software for further details.

  • Page 36: Adjust Display Contrast

    Reader unit and are only available via the Pulsar AnalyzerPlus software. The data stored can be viewed in the Pulsar AnalyzerPlus software. Please refer to the software program for details of the data storage type. Also refer to the Troubleshooting guide on page 51 for further information.

  • Page 37: Configuration Of The Measurement Parameters

    Page 37 Configuration of the Measurement Parameters The MODEL 22 dosemeter, when used with the MODEL 22R Reader unit, allows configuration of several different measurement parameters which can be adjusted to meet the requirements of Local, National or International Standards as required.

  • Page 38: Criterion Level (Cl)

    Page 38 Pulsar Model 22 User Manual By default, the Criterion Time is set to 8 hours. The Criterion Time can be selected from the following durations: 8 hours 12 hours 16 hours 18 hours If the setting for the Criterion Time is not correct, the value can be selected from the list by pressing the OK button and selecting the required value.

  • Page 39: Time Weighting

    Pulsar Model 22 User Manual Page 39 To check the setting for the Threshold Level (TH), press the menu button and select the Threshold Level option. The current setting for the Threshold Level is shown at the bottom of the screen.

  • Page 40: Exchange Rate

    Measurements made with an incorrect Exchange Rate cannot be recalculated after the measurement has been made. Dual Channel Measurement The MODEL 22 dosemeter provides Dual Channel measurements. This can be switched On or Off It is recommended that the Dual Channel measurement function is left...

  • Page 41: Dose Exceedence

    Page 41 % Dose Exceedence The version of the MODEL 22 dosemeter referred to in this manual provides a visual display of when the accumulated 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.

  • Page 42: Reviewing Stored Measurements

    An example of the measurement data parameters provided are shown on the next page. Please note that the Pulsar AnalyzerPlus software allows the user to select which additional measurement functions are displayed on the Reader display. When these additional parameters are downloaded, they are automatically stored in the Reader unit...
  • Page 43 Pulsar Model 22 User Manual Page 43 *These options can be turned off using AnalyzerPlus software...

  • Page 44: Time History Display

    Page 44 Pulsar Model 22 User Manual Time History Display The measured Time History Data is displayed on the Reader display. The Time History graph is drawn with a fixed range of 80dB to 130dB in 10dB steps with a marker at 133dB (for overload).

  • Page 45: Other Information

    Pulsar Model 22 User Manual Page 45 Other Information Other information may be displayed by the Reader unit during the measurement review. These are covered below. Shown when: The Run Time and Leq are too low for the Reader unit to accurately calculate an L value.

  • Page 46: Downloading Measurements To A Pc

    This software should be installed with full administration rights to ensure that the configuration of the software can be completed. Pulsar Instruments plc accepts no responsibility for the installation of this software on systems where full access rights are not available.

  • Page 47: Annual Verification & Servicing

    Pulsar Instruments or an authorised service centre at least every 12 months for verification, calibration and servicing. This should only be carried out by Pulsar Instruments plc or a service centre authorised by Pulsar Instruments plc for the service and calibration of the dosemeter.

  • Page 48: Cycle Charge Of The Dosemeter Battery

    Page 48 dosemeter User Manual Cycle Charge of the dosemeter battery The CHR22 Charger Unit provides a Discharge/Charge cycle that allows the performance of the battery to be kept at an optimum level. This cycle fully discharges the battery before charging. Please note that this is not the normal operation of the CHR22 Charger Unit.

  • Page 49: Changing The Reader Batteries

    dosemeter User Manual Page 49 Changing the Reader Batteries The dosemeter Reader unit shows the battery level in the top right hand corner of the display as shown below. The figure on the left below shows a full battery level and the figure on the right shows the battery level at 10% of the full capacity.

  • Page 50: Changing The Rk1 Keyfob Battery

    Page 50 dosemeter User Manual Changing the RK1 Keyfob Battery When the red indicator of the Keyfob becomes dim, the internal battery 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.

  • Page 51: The Model 22 Dosemeter

    The following information is designed to solve common problems found when using the dosemeter system. If you cannot solve the problem, please contact your local representative or Pulsar Instruments plc directly. There are no user serviceable parts inside the dosemeter, Reader or Charger.

  • Page 52: The Model 22R Reader

    Change the configuration to suit Resetting the dosemeter: a MODEL 20-TH and the the MODEL 20 or MODEL 20-TH configuration is not supported by dosemeters or use a MODEL 22 these units. dosemeter. The Reader gives an error when The dosemeter battery is flat Charge the dosemeter.

  • Page 53: Chr22 Charger

    Reading the dosemeter: a MODEL 20-TH and the the MODEL 20 or MODEL 20-TH configuration is not supported by dosemeters or use a MODEL 22 these units. dosemeter. There is no Time History data for The Time History setting is...

  • Page 54: Terminology

    Section 8 Glossary & Terminology The following section lists the acoustic terminology that is found in this manual and in the MODEL 22 Personal Noise Dosemeter and MODEL 22R Reader unit. For further information, please contact your local representative or Pulsar Instruments plc directly.
  • Page 55 dosemeter User Manual Page 55 EP,d The L is the average of the measured L over an eight hour period. The L will be EP,d EP,d lower than the L when the measurement duration is less than eight hours, equal to the L for a measurement of eight hours, and higher than the L for measurements...

  • Page 56: Glossary

    The true peak level of the pressure wave (not the highest sound pressure level which is termed the L ). The MODEL 22 dosemeter measures the true Peak level. Overload Indicated when the noise level exceeds the upper design limit of an instrument. In the dosemeter this is set to 130dB(A) Sound Level.
  • Page 57 dosemeter User Manual Page 57 C Weighting A standard weighting of the audible frequencies used for the measurement of Peak Sound Pressure level CE Marking A label used to show that the Sound Level Meter conforms to the specification of a European Directive dB(A) Decibels A weighted dB(C)
  • Page 58 Page 58 dosemeter User Manual A standard time weighting applied by the Noise Measurement Instrument Sound Level Sound Pressure Level with a Frequency weighting, such as dB(A) Sound Pressure Level, the basic measure of noise loudness, expressed in decibels Time History A sample of the noise levels taken every 1 minute throughout the measurement period.
  • Page 59 Page 59 Appendix 1 Specifications The MODEL 22 Personal Noise Dosemeter and the MODEL 22R 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 Dosemeters. The MODEL 22 dosemeter and the MODEL 22R Reader unit must be used as a combination to ensure compliance with these standards.
  • Page 60 Page 60 dosemeter User Manual Channel 2 Measurement Data , % Dose, Exposure (Pa EX,8h Estimated % Dose, Estimated Exposure (Pa Memory The MODEL 22R Reader Unit can store the following measurement data: With 8 hours of 1 minute Time History Up to 93 measurements With 12 hours of 1 minute Time History Up to 64 measurements...
  • Page 61 C to +60 C Storage Humidity Up to 99% RH Non-Condensing Weight MODEL 22 45 gms (1.6oz) MODEL 22R Reader 400 gms (14oz) Software The Pulsar AnalyzerPlus download program supplied as standard. Compatible with Microsoft Windows XP SP3 or later.
  • Page 62 The dosemeter measurement kits can be ordered with standard numbers of dosemeters. Number of dosemeters Standard Measurement Kit Model 22-1 dosemeter measurement system Model 22-2 dosemeter measurement system Model 22-5 dosemeter measurement system Model 22-10 dosemeter measurement system Additional or spare components can be added to a system. The following components...

  • Page 63: First Calibration

    There is no user requirement to apply this offset as it is applied automatically by the dosemeter. All the data reported by the Reader and the Pulsar AnalyzerPlus software is already corrected and no further corrections or adjustments are needed.

  • Page 64: Second Calibration And Drift

    Page 64 dosemeter User Manual For example: First Calibration Level of Reader calibrator = 114.0dB 1st calibration level reported to Reader by dosemeter = 114.1dB. Calibration Offset = -0.1dB. (114.0 114.1) The Reader will correct all data from this dosemeter by -0,1dB until the next time that the dosemeter is reset and recalibrated.

  • Page 65: Recommended Calibration Procedure

    dosemeter User Manual Page 65 Recommended calibration procedure The recommended process for both first and second calibrations is as follows: 1. Charge the dosemeter battery using the CHR22 charger in the same vicinity as the MODEL 22R Reader. 2. Once fully charged, remove the dosemeter from the CHR22 charger for a period of roughly 5 to 10 minutes.

  • Page 66: Resetting The Dosemeter

    Please contact Pulsar Instruments plc or your local distributor for further details. The purpose of this procedure is to perform a hard reset on a MODEL 22 (dosemeter). This procedure should only be followed, if you have been instructed to do so by Pulsar Instruments, on an individual unit.
  • Page 67 dosemeter User Manual Page 67 Place the metal label and three screws to one side. These screws are extremely small and easily lost. Please place them in small container or similar. Take a thin small metal object (a pin or bent open paperclip is ideal) and insert it into the hole highlighted blue in the picture below.

  • Page 68: Resetting The Model 22R Reader Unit

    Page 68 dosemeter User Manual Resetting the MODEL 22R Reader Unit The MODEL 22R Reader Unit can be reset to the factory settings by pressing the Reset Button 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.
  • Page 69 Telephone +44 1723 518011 Equipment Description The following equipment manufactured after 1 January 2006: MODEL 22R dosemeter Reader Unit MODEL 22 Personal Noise Dosemeter RK1 Keyfob Remote Control Unit CHR22 Charger Unit Along with their standard accessories According to EMC Directive 2014/30/EU...
  • Page 70 13. If a sub-component becomes obsolete and stocks are depleted then Pulsar Instruments will endeavour to facilitate a repair but will not offer the same length warranty. 14. In the event of any dispute on the terms of the warranty Pulsar Instruments plc will accept pendulum arbitration by the United Kingdom Institute of Acoustics Ltd.
  • Page 71 Page 71 Pulsar Instruments Offices The address given below is the Pulsar Instruments plc head office. Pulsar Instruments plc also have approved distributors and agents is many countries worldwide. For details of your local representative, please contact Pulsar Instruments plc at the address below. Contact details for Pulsar Instruments authorised distributors and agents a Website at the address shown below.

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