Nady Systems DSM-1 Music Mixer User Manual
Contents
1. Lo 30 100dB Hi 60 130dB When OVER is indicated the ranges switch to another range of measurement 8 MAX DATA HOLD BUTTON MAX Hold position is used to measure the maximum level of sounds The maximum measured level is up dated continuously Pressing the button once again will release the hold and allow a further measurement Data Hold Press and hold the button for over 2 second to turn on or off data hold function The hold function freezes the reading in the display 9 MICROPHONE 1 2 Electret Condenser microphone 10 BATTERY COMPARTMENT Battery Replacement Replacement Battery Loading Remove the battery cover on the back to install one 9V Battery Battery Replacement When the battery voltage drops below the operating voltage the BAT icon appears on the LCD display If it appears the battery should be replaced with a new one Operating Precautions g Precautions A Wind blowing across the microphone will bring additional extraneous noise When using the instrument in the presence of wind make sure to mount the windscreen B Calibrate the instrument before operation if the instrument was not in use for a long time C Do not store or operate the instrument at high temperatures or a high humidity environment D Keep microphone dry and avoid severe vibration E Please remove the battery when not in use Measurement easurement 1 Install a fresh 9 volt battery in the2. Sienn aane reag io e AN e EE a RE About 50hrs alkaline Battery Operation temperature cecececccecececeeeeeseeeeseseeeceaeeeeeaeeeeeeaeaees 0 to 40 Ohms 32 to 104 F Contents Operation NUMIA rarere iG ate aan TE AE N 10 to 90 RH Storage TEMPESTALU LE nna e a RE A AE EE A 10 to 60 C 14 to 140 F etei Te n oon coscocccccccccecscccscccsecesceeseceseceseeeseeeseeeseceseeel bees bees bbe bbe bebe coo 2 Storage TATA GIT ia a i ce EA A 10 to 75 RH Control 3 DIMENSIONS desne an a nE dion 8 3 x 2 2 x 1 3 210 x 55 x 32 mm ODO eae es tem riebiai age ererat Groban e i aair WIG Mie mea Annat a AR a aa 8 01 oz 230g including battery Battery Replacement 2 2iaiiah iaa a a el ee deren ieee 5 Operation Precautions eskera on aa E E E nghey came ce 5 MeaSureMentsotssi tiem iroonia a E lat da Gh fone iaene tiered E eet 5 Calibration Procedure Samari renani a it Mice catia EE 6 Specification S ansi a a i a E a NE 7 4 Hold the instrument comfortably in your hand or fix on tripod and point the microphone at the suspected noise source The sound pressure level will be displayed 5 When MAX maximum hold mode is chosen The instrument captures and holds the maximum noise level for a long period using any of the time weightings and ranges 6 When HOLD data hold mode is chosen The hold function freezes the reading in the display Press the HOLD button momentarily to activate or to exit the HOLD function 7 Turn OFF the instrument
3. battery compartment 2 Turn on power and select the desired response time and weighting If the sound source consists of short bursts or you are only catching sound peaks set the response to FAST To measure average sound use the slow setting Select A weighting for general noise sound level and C weighting for measuring sound level of acoustic material 3 Select desired Level Range
4. SERVICE FOR YOUR NADY AUDIO PRODUCT U S Should your NADY AUDIO product require service please contact the Nady Service Department via telephone at 510 652 2411 or e mail at service nady com International For service please contact the NADY AUDIO distributor in your country through the dealer from whom you purchased this product DO NOT ATTEMPT TO SERVICE THIS UNIT YOURSELF AS IT CAN BE DANGEROUS AND WILL ALSO VOID THE WARRANTY gt g A UI E gt ICS NADY SYSTEMS INC 6701 SHELLMOUND STREET EMERYVILLE CA 94608 Tel 510 652 2411 Fax 510 652 5075 www nady com pi r7r AN Sa am ULJSJLO ITC gt DSM 1 Introduction ntroduction Specifications pecifications Congratulations for purchasing the DSM 1 Digital Sound Level Meter To ensure that you get the fe C1 AT 1 K06r21 6 0 cle Peer tpi nena EENAA IEC651 type 2 ANSI S1 4 type 2 most from your unit we recommend that you read and follow the manual carefully before use FreQUENCY FANQE enion a ts ie eE E N O E N RN 31 5Hz 8KHz This unit conforms to the IEC651 type 2 ANSI S1 4 type 2 for Sound Level Meters Measuring level range 30 130dB The DSM 1 has been designed to meet the measurement requirements of Safety Engineers Health Ere clued y WEIARTING lt astes aust sceasatattcieanschc tacoma A A O AIC Industrial safety offices and sound quality control in various environments Microphone i oee ama A E E E 1 2 inc
5. and remove battery when not in use 1 Calibration Procedures 1 Make the following function switch settings Display dB A Hi or Lo F Function A Weighting Response Time FAST Level range 30 to 100dB Lo or 60 to 130dB Hi Measurement mode MAX Hold and Data Hold Mode function disable 2 2 Insert the microphone housing carefully into the insertion hole of the 3 calibrator 3 Open battery cover and remove the 4 battery to adjust the CAL94dB potentiometer of the unit The level 5 display will indicate the desired level Our products are all well calibrated before shipment Recommended Recalibration cycle 1 year Cont M 1 WINDSCREEN If you operate at wind speed over 10m sec please put protective accessories in front of the microphone 2 DISPLAY LCD LCD readout for all information 3 POWER ON OFF BUTTON Turn the meter power ON OFF 4 BACKLIGHT BUTTON Turn the meter backlight ON OFF 5 A WEIGHTING C WEIGHTING SELECT BUTTON A Weighting For general sound level measurements C Weighting For checking the low frequency content of noise NOTE if the C Weighting level is much higher than the A Weighting level then there is a large amount of low frequency noise 6 TIME WEIGHTING SELECT BUTTON F Fast Response For normal measurements fast varying noise S Slow Response For checking average level of fluctuating noise 7 LEVEL RANGE SELECT BUTTON
6. h electret condenser microphone e Highly accurate SPL meter with 2 level ranges measuring between 30dB and 130dB Calibration nia Electrical calibration with the internal oscillator 1kHz sine wave 32Hz 8KHz Do ENA E E T E A E E A nettnieens toes LCD Digitalis play erena a ahah E E ute A a A a at Sates ale aE 4 digits e Full professional features include easy to read 4 digit LCD display with selectable Snir 0 T permanent backlight selectable A or C weighting and Fast or Slow response maximum Display Up data 05 SEC Hold selector with Hold button to capture input at any time alarm indicating the input is Time weighting FAST 125mS SLOW 1 sec above range internal battery tester built in calibrated linear omnidirectional 1 2 electret QVEI TANGES scesccsssssssssessessssssssssusnsssssstustusnsnssnsssen Lo 30 100dB Hi 60 130dB condenser microphone and threaded insert to attach to optional SMT 3 tripod or standard ACCUIACY ossi 1 50B under reference conditions camera tripod Alarm TUnction aeaio a hes anton OVER is show when input is out of range e Uses 9VDC alkaline battery with up to 50 hours battery life Maximum hold uu Hold readings the Maximum Value with decay lt 1dB 3minutes Auto power Off ccc Meter automatically shuts down after approx 15 minutes of inactivity Foam windscreen sturdy vinyl carrying case and battery included POWEF SUDPIY ossis One 9V battery 006P or IEC 6F22 or NEDA 1604 POWEP Ifern
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