Personal Noise Exposure Model: TES-1354
Contents
1. h e BATTERY SIZE AAA 1 5V X 4 D Microphone 2 Display panel 3 Power switch Instantaneous of sound pressure level Press the key to starts accumulating noise exposure Press the key and hold 3 seconds to stops accumulating noise exposure DOSE is parameter used to quantify noise exposure measured in a period with the unit of 9o noise exposure The total time means accumulated running time the colon will blink and display will show hours and minutes 9 CAL screw Battery cover 0 Carrying clip 6 DISPLAY PANEL DESCR IPTION 7 8 9 QD ai o n LI Rh rj 03 TIME a OOO CROC apa 5 4 Fig 2 DOSE sign Displayed when a sound pressure level is over 140dBA Run time for DOSE measurement SPL sign Displayed when a sound pressure level is over 115dBA Battery energy condition indicator Fast or Slow response time constant Indication of noise exposure is now been accumulated Measurement interruption of no2. Personal Noise Exposure Model TES 1354 INSTRUCTION MANUAL TABLE OF CONTENTS 1 GENERALE DESCRIPTION teet etes in 1 2 PRINCIPLE OF MEASURING ACCUMULATED NOISE RE 1 3 2 d SPECIFICATION ne en a aberat ed 2 5 NOMENCLATURE AND 5 6 DISPLAY PANEL DESCR IPTION pp 7 7 MEASUREMENT PREPARATION eren 8 8 OPERATING INSTRUCTIONS 22 Pao pieds 8 9 CALIBRATION PROCEDURES RN 10 IO MODE SETTING 5 donnera nr 11 USING THE PERSONAL NOISE EXPOSURE NE 12 1 GENERAL DESCRIPTION Thanks for your selecting Personal Noise Dosemeter To ensure that you can get the most from it we recommend that you read the manual carefully before use The personal noise dosimeter is test equipment to evaluate the noise condition of working environment by measuring the accumulated noise exposure With this test data company can ensure the related noise regulation is followed or decide whether or not to apply certain noise reduction action to avoid the acoustic trauma and noise induced hearing loss occurs to the working personnel 2 PRINCIPLE OF MEASURING ACCUMULATED NOISE EXPOSURE DOSE is a parameter used to quantify noise exposure measured during a period in turns of 96 noise exposure relative to 90dBA for 8 hours ie 100 DOSE 90dBA for 8 hours This is known as the Criterion Other criterion ar
3. age the microphone in this way Do not attempt to open the instrument There are no user serviceable parts inside If you think your instrument requires service then please contact your dealer Do not allow the instrument to get wet Never mix different makes or types of battery Never mix charged and discharged batteries Do not allow fully discharged batteries to remain inside the instrument Protect the instrument from impact Do not drop it Transport it in the supplied shoulder bag 13
4. e available such as 100 DOSE 85dBA for 8 hours to meet legislation in different countries If the person stayed in this environment for 4 hours he would receive 50 DOSE Also if the noise level was say 93dBA 3dB higher a 100 DOSE would be accumulated in only 4 hours The above example is for a dosemeter with 3dB Exchange Rate where a 3dB increase in sound level corresponds to a doubling energy A dosemeter with 5dB Exchange Rate is also available where the sound must increase by 5dB to double the dose as required to meet noise legislation in some countries 3 FEATURES 1 Measures personal accumulated noise exposure in a period with the unit of 96 noise dose 2 70 140 dBA sound level measurement 3 Accurate easy to use and understand 4 SPECIFICATION Standard applied Microphone Display Noise DOSE Range Criterion Level Threshold Level Exchange Rate High Level Detector Peak Flag ANSI S1 25 1991 A weighting ISO 1999 BS 6402 1983 1 2 inch electret condenser microphone 31 inch cable Liquid Crystal Display 01 to 9999 DOSE Selectable 80 84 85 90dB Selectable 70 90dB 1dB step Selectable 3 4 5 6dB 115dBA 140dBA Measuring Range of Sound Level 70 140dBA Accuracy 1 5dB Frequency Weighting A Frequency Response 20Hz 10KHz Time Constant F FAST SSLOW Operating Temperature amp Humidity 0 50 32 tol22 F 10 90 RH Storage Tempera
5. e microphone to change the test result and it is best to run noise exposure testing over several days to achieve better average data 6 At the end of wording day one can read the accumulated noise exposure by pressing the STOP key and hold for 3 seconds 12 MAINTENANCE 1 Service and Repair Noise Dose Meter The Noise Dose Meter is designed and constructed to provide many years of reliable operation However if a fault occurs that impairs the dosemeter is correct function then remove the batteries to prevent risk of further damage For more information about preventing or identifying faults or damage to your dosemeter is please read the other sections of this chapter For repair contact your local dealer 2 2 Care Cleaning and Storage The Noise Dose Meter is a delicate precision instrument When handling storing or cleaning your instrument please take note of the following precautions a Storing the Instrument Keep the instrument in a dry place e For long term storage remove the batteries e Do not exceed storage temperature limits of 10 to 60 14to 140 F b Cleaning the Instrument If the instrument casing becomes dirty then wipe it with a cloth lightly dampened with water Do not use abrasive cleansers or solvents Do not allow moisture to enter the microphone connectors or casing c Handling the instrument Do not try to remove the microphone gird you can easily dam
6. ise exposure 7 MEASUREMENT PREPARATION 1 2 3 Load Battery Unscrew the big screw on the back of the unit and remove the carrying clip Insert four AAA size alkaline batteries Note Make sure the battery polarity is installed as indicated Battery replacement When the batteries is down a low battery mark i flash in the display Batteries should be replaced with new ones The battery symbol shows the remaining capacity the battery by the number of segments The relative of the remaining capacity and the number of segments are show as below Four segments over 84 capacity remaining Three segments over 66 capacity remaining Two segments over 25 capacity remaining One segments over 11 capacity remaining Empty battery Instrument specification guaranteed 8 OPERATING INSTRUCTIONS Power the instrument on by pressing the key When you switch on this instrument you will see all of the annunciator DOSE sign and the set Criterion level i Threshold level 11 Exchange rate information The displayed function have the following meanings 1 2 3 Instantaneous of sound pressure level Press the SPL Key start measure acoustic pressure Measuring range 70 140dBA If measure value is below 68 00BA the display will show dBA no value Noise exposure measured in a period Press the DOSE key then press the START key to start measuring accum
7. l the level display will indicate the desired level Note Our products are all well calibrated before shipment Recommended calibrator cycle i 3 155 is one year Fig 3 10 10 MODE SETTING Start with the power off mode Press the J enter Key and hold then press the power key to switch the instrument into setting mode Pres or keytoselect parameter SLOW time constant F FAST time constant Criterion Level ie Selectable 80 84 85 90dB Threshold Level Selectable from 70 90dB 1dB step Exchange Rate Selectable 3 4 5 6dB Press A or V key to adjust parameter Press enter key to leave this setting mode 11 USING THE PERSONAL NOISE EXPOSURE METER To use instrument to measure personal noise exposure the procedure is as follows 1 Power the instrument on by pressing key 2 Check the battery status If the battery level is low please replace the batteries 11 3 Fit the instrument to the user by clipping it to the breast pocket on shirt or the belt etc The microphone must be clipped to the shirt collar as close as possible to the wearer s ear The cable must be routed so as not to impede the working movements of the user 4 Press the START key the instrument will begin to accumulate noise exposure 5 In order to get reliable test data the user must keep his typical working day pattern and must not shout into th
8. ture amp Humidity 10 60 C 140140 F 10 75 RH Battery 4pcs size AAA alkaline batteries Battery Life about 40 hours Size 106 L x 60 W x 34 H mm 42 L x 2 4 W x 1 3 H inch Weight Approx 350g including batteries Accessories Instruction manual Carrying case Screwdriver batteries CE Certification C CE mark indicates compliance EMC Directive EN61010 1 1993 and IEC 1010 1 1990 Safety requirements for electrical equipment for measurement control and laboratory use EN50081 1 1992 Generic emission standard Part 1 Residential commercial and light industry EN50081 2 1993 Generic emission standard Part 2 Industrial environment CISPR22 1993 Radio disturbance characteristics of information technology equipment Class B Limits FCC Rules Part 15 Complies with the Limits for a Class B digital device EN50082 1 1992 Generic immunity standard Part 1 Residential commercial and light industry RF immunity implies that sound level indications TOdB or greater will be affected by no more than 1 54 EN 50082 2 1995 Generic immunity standard Part 2 Industrial environment RF immunity implies that sound level indications of 70dB or greater will be affected by no more than 1 5dB 5 NOMENCLATURE AND FUNCTIONS N Paes 1 x
9. ulated noise exposure The display will show the DOSE and 2 annunciators If you want to read the accumulated running time press the TIME Key and the display will show the TIME annunciator The colon will blink and display hours and minutes You can switch between DOSE mode and run time mode at anytime If you want to stop measuring accumulated noise exposure press the STOP key and hold for 3 seconds and the annunciator will also vanish Note When the START key is pressed the previously measured data of DOSE and run time will be cleared Pause Continue When the STOP key is pressed the measuring of noise exposure will be interrupted in amid way and the measurement data is held and the display show the PAUSE annunciator If the START key is pressed the measurement will be resumed from that point the PAUSE annunciator will vanish on the display In pause mode measurement of instantaneous sound pressure level mode can still operate When the instrument is to be out of use Please press the key and hold until the display counts down from 3 to 0 and then blanks power down procedures 9 CALIBRATION PROCEDURES Using a standard acoustic calibrator 1 Make the following switch settings Display SPL dBA Time constant S SLOW 2 Insert the microphone housing carefully into the insertion hole of the calibrator 3 Tum on the switch of calibrator and adjust the CAL screw of the instrument unti
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