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SOUND LEVEL METER
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1. bursts or only catching sound peak set response to FAST To measure average sound level use the slow setting Select A weighting for general noise sound level and C weighting for measuring sound level of acoustic material Hold the instrument comfortably in hand or fix on tripod and point the microphone at the suspected noise source the sound pressure level will be displayed When MAX MIN maximum minimum hold mode is chosen The instrument captures and holds the maximum or minimum noise level Press once to select MAX value Press again to select MIN value Press again to exit the MAX MIN mode MAX or MIN symbol disappears Turn off the instrument and remove the battery when it is not in use EN 8
2. sound level meter will display 94 0 dBA The calibration is done The 94 dB calibration process can be repeated until the meter reads 94 0 dB Recalibration cycle 1 year EN 6 4 DO DS 102 MEASUREMENT PREPARATION Battery Loading Remove the battery cover on the back and put in one 9V Battery Battery Replacement When the battery voltage drops below the operating voltage the mark appears If it appears battery should be replaced with new one OPERATING PRECAUTIONS Wind blowing across the microphone would bring additional extraneous noise Once using the instrument in the presence of wind it is necessary to mount the windscreen preventing to pick up undesirable signals To achieve more accurate measurement use an extension cable to separate the Microphone from the main body so that the effect of unexpected sound reflection can be eliminated Calibrate the instrument before operation if the instrument was not in use for a long time or operation at bad environment Do not store or operate the instrument at high temperature and high humidity environment Keep microphone dry and avoid severe vibration Please take out the battery and keep the instrument in low humidity environment When it is not in use EN 7 DS 102 MEASUREMENT Open battery cover and install a 9 Volt battery in battery compartment Turn on power and select the desired response time and weighting If the sound source consists of short
3. A HOLD The reading data shown on LCD can be locked while pressing the button Low Battery Indication Replace battery as LCD display E Power Supply 9V NEDA 1604 gt IEC 6F22 JIS 006P batteryx1pcs Power Life About 50 hrs alkaline Battery Operation height 2000M under the elevation above sea level Operation temperature amp Humidity 5 C 40 C below 80 RH gt Storage Temperature amp Humidity 10 C 60 C below 70 RH gt Dimension 200mm L x55mm W x38mm H Weight About 170g Including batteries Accessories Instruction manual carrying case gt 9V Battery windscreen EN 2 2 NAME AND FUNTIONS 1 Windscreen If you operate at wind speed over 10m sec please put protective accessories windscreen in front of the microphone EN 3 AS a 0 DS 102 Windscreen Display DATA HOLD button Frequency weighting select button Time weighting select button Maximum Minimum hold button Backlight button Power button Microphone Battery Cover 2 DS 102 Display a Low battery indication b DATA HOLD indication f c Maximum indication no 1 i 1 i o oe Id 0 weishing g Slow response h Fast response h g i Sound level read out Fast Slow Power button The key for 1sec to turn the sound level meter ON or OFF The auto power will be off automatically after 5 minutes idle time MAX MIN hold button Press MAX MIN
4. SOUND LEVEL METER DS 102 CE User s manual oO eS CONTENTS General Description amp Specifications Name and Funtions Calibration Procedu Measurement Preparation Operating precautions Measurement ES ida DS 102 Thank you for using our Sound Level Meter To ensure that you can get the most from it we recommend that you read and follow the manual carefully before use This unit conforms to the IEC651 Type2 ANSI 1 4 Type2 for Sound Level Meters This Sound Level Meter has been designed to meet the measurement requirements of safety Engineers Health Industrial safety offices and quality control in various environments e Ranges from 30dB to 130dB at frequencies between 31 5HZand 8 KHZ e Display with 0 1dB steps on a 4 digits LCD e With two equivalent weighted sound pressure levels A and C 1 GENERAL DESCRIPTION amp SPECIFICATIONS a Display 4 digits LCD with maximum minimum Resolution 0 1dB Display Update 0 5 sec b Standard applied IEC651 Type2 ANSI1 4 Type2 c Frequency range 31 5Hz 8KHz d Measuring level range A Weighting 30 130dB C Weighting 35 130dB e Frequency weighting A C Microphone 1 2 inch Electret condenser microphone Time weighting FAST 125mS SLOW 1 sec Level ranges 30 130dB Auto Range Accuracy 1 5dB Dynamic range 50dB EN 1 h Sera DS 102 MAX MIN Hold readings for the Maximum and Minimum value DAT
5. button to enter the maximum and minimum recording mode Press once to select MAX value Press again to select MIN value Press again to exit the MAX MIN mode Frequency Weighting select button A A Weighting For general sound level measurements C C Weighting For checking the low frequency content of noise If the C Weighted level is much higher than the A weighted level then there is a large amount of low frequency noise Time weighting select button FAST for normal measurements SLOW for checking average level of fluctuation noise EN 4 10 3 DS 102 HOLD button The reading data shown on LCD can be locked while pressing the button Backlight button Press the button you enable the display backlight to easy readings in dark environments Press more than 1 second to disable backlight which however it automatically OFF after 15 seconds Microphone 1 2 inch Electret Condenser microphone Battery cover CALIBRATION PROCEDURES Using a standard Acoustic Calibrator 94dB 1KHz Sine wave EN 5 DS 102 Acoustic calibrator Sound level meter SA Make the button settings Display dBA Time weighting FAST Insert the Microphone nozzle carefully into the insertion hole of the calibrator Press A C button then press the HOLD button hold the 2 buttons at the same time more than 1 second LCD will be blinking to confirm calibration When LCD blinked release the A C and the HOLD buttons The
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