Table of Contents
Summary of Contents for Pulsar 90 Quantifier
- Page 1 Model 90 Quantifier Sound Level Meter Page 1 User Manual for the Pulsar Model 90 Quantifier Sound Level Meters This manual, the software to which it relates, the program code and drawings are all: © Copyright Pulsar Instruments Plc 1989-2012...
- 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.
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Page 3: Table Of Contents
Model 90 Quantifier Sound Level Meter Page 3 Preface ......................... 5 Messages and Symbols ....................5 Section 1 Introduction ....................6 Main Features ....................... 6 Measurement Functions....................6 Broadband Measurement Mode ..................6 1:1 & 1:3 Octave Band Measurement Mode ..............7 Options &... - Page 4 Page 4 Model 90 Quantifier Sound Level Meter 1:3 Octave Band Mode ......................30 Measurement Duration ....................31 Measurement Auto Repeat .................... 33 Measurement Auto Synchronise ..................34 Measurement Range ....................35 Instrument Setup ......................37 Display Contrast ........................37 Time &...
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Page 5: Preface
Model 90 Quantifier Sound Level Meter Page 5 Preface Thank you for purchasing this MODEL 90 Series Sound Level Meter from Pulsar Instruments Plc. This powerful instrument provides excellent expansion capability, and has been designed to provide reliable, accurate measurements over a long period of time. -
Page 6: Section 1 Introduction
Page 6 Model 90 Quantifier Sound Level Meter Please read. A note is a hint or advice that helps you make best use of the equipment and accessories. Section 1 Introduction Main Features Measurement Functions The measurement functions that can be provided by the MODEL 90 depend upon the options that have been fitted. -
Page 7: 1:1 & 1:3 Octave Band Measurement Mode
Model 90 Quantifier Sound Level Meter Page 7 Sounds Press Level with LCIeqt integration time t (L LZIeqt Ieqt Please note that only one Frequency Weighting can be selected at any time. 1:1 & 1:3 Octave Band Measurement Mode In the 1:1 or 1:3 Octave Band Filter Mode, the MODEL 90 instrument provide a sequential sweep through the filter bands over the measurement duration. -
Page 8: Section 2 Getting Started
Page 8 Model 90 Quantifier Sound Level Meter MK:226 Class 1 Microphone Capsule for Models 91, 93 & 95 MK:216 Class 2 Microphone Capsule for Models 92,94 & 96 Section 2 Getting Started How to... These example settings are designed to demonstrate the different configurations that are available from the MODEL 90 Sound Level Meters. -
Page 9: Quick Start
Model 90 Quantifier Sound Level Meter Page 9 8. After 24 1 hour measurements the instrument will stop Review Measurement Data Quick Start Switch on Key Press Display When the instrument has switched on, the start-up screen will change to the standard noise level display. -
Page 10: Set The Measurement Duration
Page 10 Model 90 Quantifier Sound Level Meter If the calibration is successful , press the exit key to return to the main screen. Set the measurement duration Press the menu key to view the current measurement duration and the status of the auto repeat and auto synchronise function. -
Page 11: Change The Measurement Function
Model 90 Quantifier Sound Level Meter Page 11 Key Press Display Comments In this example, the measurement range is set to 70dB to 140dB. To change the measurement range, use the Up and Down Arrow keys to select the required measurement range and press OK. Refer to page 35 for details of setting the measurement range and the use of the bar graph display in choosing the correct measurement range. -
Page 12: Review The Measurement
Page 12 Model 90 Quantifier Sound Level Meter Press the Up and Down arrow keys to view the measurement functions during the measurement. To stop the measurement, press the Stop Key. Key Press Display Comments The instrument stores the measurement in memory and enters the measurement review mode. -
Page 13: Unpacking And Checking The Sound Level Meter
Carefully remove the instrument from its shipping container and inspect it for possible damage or missing items. If the meter appears to be damaged or something is missing, contact Pulsar Instruments Plc your local representative immediately. The basic MODEL 90 instrument is supplied with the following standard accessories:... -
Page 14: Instruments Layout
Page 14 Model 90 Quantifier Sound Level Meter Instruments Layout... -
Page 15: Installing The Software
Model 90 Quantifier Sound Level Meter Page 15 Installing the software Before measurements can be downloaded from the MODEL 90 instrument, the Analyser software must be installed from the supplied CD. Please refer to page 50 for further details of the installation of the Analyser software. -
Page 16: Using Microphone Extension Cables
Page 16 Model 90 Quantifier Sound Level Meter preamplifier from the Sound Level Meter. Using Microphone Extension Cables The MODEL 90 instruments can be used with a microphone extension cable if the instrument is fitted with the removable preamplifier. If a microphone extension cable is to be used during a measurement, the instrument must be calibrated with the cable attached. -
Page 17: Using An External Power Supply
Model 90 Quantifier Sound Level Meter Page 17 Using an external power supply The MODEL 90 can be used with an external power supply. When the external supply is connected, the MODEL 90 switches automatically from the internal battery power. -
Page 18: Switching On
Page 18 Model 90 Quantifier Sound Level Meter Switching On Key Press Display When the instrument is first switched on, a Welcome screen is shown with the instrument type and version number. After 3 seconds, the display will change and the current Sound Level will be shown with the current configuration shown as above. -
Page 19: Checking The Configuration Of The Instrument
Model 90 Quantifier Sound Level Meter Page 19 Checking the Configuration of the Instrument The Setup of the instrument should be checked before making a measurement. Time and Date Key Press Display Comments The current time and date are shown at the bottom of the screen. -
Page 20: Measurement Mode
Page 20 Model 90 Quantifier Sound Level Meter Measurement Mode Key Press Display Comments The current measurement mode is shown on the screen. In this example, the measurement mode is Broadband. Measurement Duration Key Press Display Comments The measurement duration is shown at the bottom of the screen. -
Page 21: Measurement Auto Repeat
Model 90 Quantifier Sound Level Meter Page 21 Measurement Auto Repeat Key Press Display Comments The status of the Auto Repeat is shown at the bottom of the screen. In this example, the Auto Repeat is switched on. When the Auto Repeat is switched... -
Page 22: Calibration
Page 22 Model 90 Quantifier Sound Level Meter Calibration If a microphone extension cable is to be used during a measurement, the instrument must be calibrated with the cable attached. Attach the Acoustic Calibrator to the Sound Level Meter, and press the menu key. The first menu option is Calibrate. -
Page 23: Starting A Measurement
Model 90 Quantifier Sound Level Meter Page 23 The calibration level is unstable. The background noise level may be too high or the Acoustic Calibrator may not be fitted correctly to the Sound Level Meter. Refer to the troubleshooting section on page 54 for further information. -
Page 24: 1:3 Octave Band Mode
Page 24 Model 90 Quantifier Sound Level Meter 16kHz 1:1 Octave Band, the instrument will measure a dB(A), dB(C) and then a dB(Z) value and then stop, storing the measurement in the memory. The user can override the automatic sweep by pressing the Up arrow key to step to the next frequency band. -
Page 25: Displaying The Data During A Measurement
Model 90 Quantifier Sound Level Meter Page 25 Key Press Display Comments The instrument has not accumulated sufficient data to give an accurate measurement. When enough information has been gathered, the LZeq value will be displayed. Displaying the data during a measurement... -
Page 26: Pausing And Resetting A Measurement
Page 26 Model 90 Quantifier Sound Level Meter The Sound Level is shown, in this case the LAF. The real time display of the noise level is shown as 1 second Leq samples. The display shows 2 minutes of information and then starts to scroll across the screen. -
Page 27: Viewing The Stored Measurements
Model 90 Quantifier Sound Level Meter Page 27 Key Press Display Comments When the Stop key is pressed, the current measurement is stored in the memory and the display changes to the memory review mode. In this example, the measurement is a Broadband measurement. -
Page 28: Section 3 Configuring The Sound Level Meter
Page 28 Model 90 Quantifier Sound Level Meter Section 3 Configuring the Sound Level Meter This section of the manual covers the configuration of the Sound Level Meter and the different options that are available to the user. Keypad Move through the measurement parameters when running a measurement. -
Page 29: Measurement Mode
Model 90 Quantifier Sound Level Meter Page 29 Measurement Mode To select the Measurement Mode, press the Menu Key. The current measurement mode is displayed. Please note that the MODEL 90 Sound Level Meters will revert to Broadband Measurement Mode when the instrument is switched off. -
Page 30: 1:1 Octave Band Mode
Page 30 Model 90 Quantifier Sound Level Meter 1:1 Octave Band Mode To select the 1:1 Octave Band Measurement Mode: Key Press Display 1:3 Octave Band Mode To select the 1:3 Octave Band Measurement Mode: Key Press Display... -
Page 31: Measurement Duration
Model 90 Quantifier Sound Level Meter Page 31 Measurement Duration The configuration of the Run Duration, the Auto-Repeat and the Auto-Synchronise functions are all connected and affect each other. Always ensure that the status of these three functions is checked before making a measurement. - Page 32 Page 32 Model 90 Quantifier Sound Level Meter In this example, the measurement duration is set to 15 Minutes, and the instrument will run continuously until the Stop key is pressed. The change the measurement duration, use the Up and Down keys to select the require duration and press OK to select.
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Page 33: Measurement Auto Repeat
Model 90 Quantifier Sound Level Meter Page 33 Measurement Auto Repeat The Auto Repeat function is used to set the instrument to make a series of contiguous measurements. Please note that this function only operated in the Broadband Measurement. Auto Repeat is not available during 1:1 or 1:3 Octave Band Mode. -
Page 34: Measurement Auto Synchronise
Page 34 Model 90 Quantifier Sound Level Meter Measurement Auto Synchronise This function is new to the MODEL 90 Series and allows the start of the measurements to be started in time with the clock of the instrument. The diagram below shows how the measurement runs from when the Start key is pressed for the duration defined by the Run Duration. -
Page 35: Measurement Range
Model 90 Quantifier Sound Level Meter Page 35 When the Auto Synchronise function has been selected, the display will show the Sync at the bottom of the screen with a tick next to it as shown above. Measurement Range One of the most important features of a Sound Level Meter is the measurement range. - Page 36 Page 36 Model 90 Quantifier Sound Level Meter Display Comments The measurement range is 40dB to 110dB and the noise level is 120.6dB. The instrument is overloading and the O/L symbol is shown. The measurement range is 70dB to 140dB and the noise level is 58.9dB.
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Page 37: Instrument Setup
Model 90 Quantifier Sound Level Meter Page 37 Instrument Setup Select the Setup option from the main menu and press OK. Key Press Display Comments Display Contrast To adjust the contrast of the display, select the Contrast Option and press OK... -
Page 38: Time & Date
Page 38 Model 90 Quantifier Sound Level Meter Time & Date To change the Date and Time, select the Set Clock option from the Setup Menu. Key Press Display Comments To set the Time, select the Time option and press OK... -
Page 39: Display Resolution
Pulsar Instruments Plcdoes not recommend the use of Acoustic Calibrators other than those manufactured or supplied by Pulsar Instruments Plc for use with the MODEL 90 instruments. Refer to the operating manual supplied with the Acoustic Calibrator to be used for details of the correction required for use with an MK:224 or MK:216 Microphone Capsule. -
Page 40: Time Weighting
Page 40 Model 90 Quantifier Sound Level Meter Time Weighting The Time Weighting of the instrument can be set to either Fast, Slow or Impulse. To set the Time Weighting, select the Time Weighting option from the menu: Key Press... -
Page 41: Ln Values
Model 90 Quantifier Sound Level Meter Page 41 Key Press Display Comments Select the required Frequency Weighting and press OK to select. The select Frequency Weighting is indicated by a tick. Press Exit to return to the main display. The Frequency Weighting applies to the following parameters:... -
Page 42: User Metric
Page 42 Model 90 Quantifier Sound Level Meter Key Press Display Comments The Ln to be changed can be selected using the Up and Down arrow keys. Press OK to select the Ln to change. In this example, the Ln1 has been selected. -
Page 43: Configuring The Instrument From The Analyser Software
Model 90 Quantifier Sound Level Meter Page 43 Note that if the LIeq,t function is selected, the MODEL 90 will automatically select the Impulse Time Weighting which will apply to all other measurement functions described in section Time Weighting on page 40. -
Page 44: Section 4 Viewing And Downloading The Measurements
Page 44 Model 90 Quantifier Sound Level Meter Section 4 Viewing and Downloading the measurements When a measurement stops, either by the user pressing the Stop key or when a measurement stops automatically, the data is automatically stored in the memory. -
Page 45: Broadband Measurement
Model 90 Quantifier Sound Level Meter Page 45 Broadband Measurement Key Press Display Comments The User Metric setting of the instrument determines if the unit stores LAE, LAIeq,t or LAFTeq. If the unit was in Overload or Under-Range during the measurement this is indicated on the screen. -
Page 46: 1:3 Octave Band Measurements
Page 46 Model 90 Quantifier Sound Level Meter 1:3 Octave Band Measurements Key Press Display Comments The graphical display of the 1:3 Octave Band measurement is shown with the measurement range shown on the left hand scale. - Page 47 Model 90 Quantifier Sound Level Meter Page 47...
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Page 48: Checking & Clearing The Memory
Page 48 Model 90 Quantifier Sound Level Meter Checking & Clearing the memory The memory of the instrument can be checked for available space and also to allow the user to delete the measurements that are stored. To check the available memory,... - Page 49 Model 90 Quantifier Sound Level Meter Page 49 Please note that when the memory has been cleared, any measurement previously stored cannot be retrieved and are permanently deleted.
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Page 50: Downloading Measurements To The Software
Page 50 Model 90 Quantifier Sound Level Meter Downloading Measurements to the Software Before measurements can be downloaded, the software must be installed on to a suitable PC. Software Installation The Analyser software must be installed before measurements can be downloaded. -
Page 51: Understanding How The Measurements Are Stored
Model 90 Quantifier Sound Level Meter Page 51 Understanding how the measurements are stored The memory of the MODEL 90 can store up to 1,300 measurements. Each measurement is known as an Event and can be either Broadband, 1:1 Octave Band or 1:3 Octave Band. - Page 52 Page 52 Model 90 Quantifier Sound Level Meter...
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Page 53: Section 5 Maintenance & Care
If you experience any problems with the operation of the instrument, refer to page 54 for basic troubleshooting. If this does not solve the problem, contact Pulsar Instruments Plc your local representative for further assistance. -
Page 54: Section 6 Troubleshooting
This section contains information which may solve simple operational problems you may encounter. If you are unable to solve the problem or experience any problems with the assembly or operation of the instrument contact Pulsar Instruments Plc your local representative for further assistance... -
Page 55: Downloading Measurements
Model 90 Quantifier Sound Level Meter Page 55 stored See page 48 The measurement was reset Restart the measurement In 1:1 or 1:3 Octave Band The Run Duration has been set Select a Preset Run Duration Mode, the filters do not to Manual. -
Page 56: Appendix 1 Specifications
Page 56 Model 90 Quantifier Sound Level Meter Appendix 1 Specifications Instrument Versions MODEL 91 Class 1 MODEL 92 Class 2 MODEL 93 Class 1 with 1:1 Octave Band Filters MODEL 94 Class 2 with 1:1 Octave Band Filters MODEL 95 Class 1 with 1:1 &... - Page 57 Model 90 Quantifier Sound Level Meter Page 57 Amplitude Weighting Q=3 (True Energy Integration) Measurement Range Broadband 21dB(A) to 140dB(A) Class 1 25dB(A) to 140dB(A) Class 2 143dB(C) Peak (70 to 140dB Range) 1:1 Octave Band Filters 19dB(Z) to 140dB(Z)
- Page 58 Page 58 Model 90 Quantifier Sound Level Meter Frequency Bands (Nominal Frequencies) 1:1 Octave Band 31Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, 16kHz 1:3 Octave Band 25Hz, 31Hz, 40Hz, 50Hz, 63Hz, 80Hz, 100Hz, 125Hz, 160Hz, 200Hz, 250Hz, 315Hz, 400Hz, 500Hz, 630Hz, 800Hz, 1kHz, 1.25kHz, 1.6kHz, 2kHz, 3,15kHz, 4kHz, 5kHz, 6.3kHz, 8kHz, 10kHz, 12.5kHz, 16kHz...
- Page 59 Model 90 Quantifier Sound Level Meter Page 59 Batteries 2 x 1.5v Alkaline LR6/AA Battery Life Broadband Typically >30 hours Filter Mode Typically >20 hours Battery voltage is continuously monitored and warning is given on display of impending low battery condition. When batteries approach end of life the unit will store any data required and switch off automatically.
- Page 60 Page 60 Model 90 Quantifier Sound Level Meter MO:800/3 Upgrade from Broadband to 1:1 & 1:3 Octave Band Filters MO:800/4 Upgrade from 1:1 to 1:1 & 1:3 Octave Band Filters MO:800/5 Remote Preamplifier for Class 2 Instruments MO:800/6 20Hz & 20kHz 1:3 Octave Band Filters...
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Page 61: Model 105 & 106 Acoustic Calibrators
Model 90 Quantifier Sound Level Meter Page 61 Model 105 & 106 Acoustic Calibrators 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. -
Page 62: Calibrating A Sound Level Meter
Page 62 Model 90 Quantifier Sound Level Meter 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 63: Changing The Battery
Model 90 Quantifier Sound Level Meter Page 63 Changing the Battery The Model 105 & Model 106 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 64: Specification
Page 64 Model 90 Quantifier Sound Level Meter ecification. Frequency 1kHz ± 1% Sound Level 94dB re 20μPa Standardisation Model 105 - IEC 60942:2003 Class 2 Model 106 - IEC 60942:2003 Class 1 Distortion Less than 2% Operating Humidity 25 to 90% Relative Humidity... -
Page 65: Technical Information
Model 90 Quantifier Sound Level Meter Page 65 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 66: 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 Pulsar Instruments Plc. Calibration corrections are listed below for the Pulsar Instruments Plc½" Capsules and... -
Page 67: Appendix 3 Software Installation
9 Pin RS232 (Serial) Port or USB Connection Installation Requirements Pulsar Instruments Plcaccepts no responsibility for the installation of the Analyser software where the system requirements are not fully met and where the user does not have the correct configuration or access rights to enable the software to install correctly. -
Page 68: Appendix 4 Configuring The Instrument From The Software
Page 68 Model 90 Quantifier Sound Level Meter Appendix 4 Configuring the instrument from the software The configuration of the instrument can be set from within the Analyser software. Different configurations can be saved and loaded into the instrument to suit different measurement applications and standards. -
Page 69: Appendix 5 Ce Certificate Of Conformity
Model 90 Quantifier Sound Level Meter Page 69 Appendix 5 CE Certificate of Conformity Pulsar Instruments Plc Hunmanby UK CE Certificate of Conformity Manufacturer: Pulsar Instruments Plc Acoustic House, Bridlington Road Hunmanby, North Yorkshire, YO14 0PH United Kingdom Telephone +44 1723 518011... -
Page 70: Guarantee
Model 90 Sound Level Meter User Manual Guarantee Pulsar Instruments Plc offers a 12 month guarantee on all of their units. This covers all parts and labour excepting only damage caused by the user. Because of the unique fragility of microphones, only internal short or open circuits are accepted as faults and not accident damage.
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