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Kanomax 4431 Instruction Manual

Manual is about: Sound level meter

Summary of 4431

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    Sound level meter model 4431 instruction manual kanomax japan inc..

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    1 components of this instruction manual this instruction manual refers to the functions of, and operating instructions for, sound level meter model 4431 (abbreviated to “this equipment” in what follows) this instruction manual consists of following chapters. Outline the components, characteristics, ...

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    2 safety precautions to prevent bodily injury or damage to property, the following safety precautions must be observed. This manual contains important safety and operating instructions for this equipment. Read all instructions, before using the instrument. After reading all instructions, keep this m...

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    3 ２ ２ ２ ２． ． ． ．important safety instructions warning stop using the instrument, when producing smoke, bad smell or noise. It causes fire or shock hazard. Turn off the power switch and unplug the ac adaptor (optional) from outlet as soon as possible. To reduce risk of injury, take it to a qualified ...

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    4 ３ ３ ３ ３． ． ． ．cautions for usage this equipment is assembled with precision parts. To prevent bodily injury or damage to the instrument, the following cautions must be observed. Caution keep the instrument away from the children. If the instrument falls down, it is very dangerous. Do not place it ...

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    5 disclaimer in usage of the software product when this software is used, it is assumed that the customer has accepted all the following items. 1) the customer is permitted to use this software product based on the agreement of use conditions, not to transfer or sell to the third party. In case the ...

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    6 the quantifier form of international standard and jis (japanese industrial standards). The quantifier is excerpted from iso 1996、3891、iec 60804、jis z 8202、8731. Notation of model4431 name frequency weighting characteristics iso iec jis l a a-weighted sound pressure level a-weighted l pa － l pa l c...

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    7 contents overview 8 locations and their functions 9 front / back / side view of the main body 9 operating portion 10 side view of the main body 11 system components 12 ac adaptor ac-1026 13 mounting on the tripod 13 memory card（sd card）and program card(option) 13 extension cable（bc-0046） 13 connec...

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    8 overview this specification refers to the sound level meter model4431.It covers most measurands corresponding to jis and –iso.The 4431, provided with many functions usually mounted in equivalent products, has been realized at an extremely low price. Measurement of most measurands, such as equivale...

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    9 locations and their functions front/back/side view of the main body: front microphone preamplifier the microphone and the preamplifier are comprised as one body. They can be placed apart from the main body and connected to it with the optional extension cable display it is a liquid crystal display...

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    10 operating portion light key the backlight illuminates the display in darkness, which goes out automatically 30 seconds later or by pushing the key again. Menu key it is pushed to set up the measurement condition, when the display is adjusted to 1/3 page of the menu panel. The item is selected wit...

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    11 side view of the main body ac power adaptor connector by using the optional ac adaptor, ac100v is available for the measurement. Please do not use any other power supplyies than specified ac adaptor. It may cause breakdown or malfunction. Ac／ ／ ／ ／ dc out connector ac： outputs frequency-weighted ...

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    12 system configuation example of system configuration ※ the function can be extended by the connecting various option measuring instruments. Ac adaptor (option) 1) turn off the power switch. 2) connect the option ac adaptor to the ac adaptor terminal. 3) insert the ac plug of the ac adaptor to the ...

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    13 mounting on the tripod it is possible to mount this equipment on the camera tripod in lengthy measurement. Please be careful enough not to drop the equipment or fell the tripod memory card (sd card) and program card (option) the measurement results can be stored in memory card (sd card) to reedit...

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    14 connection with personal computer external connect i/o on the side panel to usb terminal of personal computer with the option interface cable. Usb cable to usb terminal of personal computer external i/o connector.

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    15 display (explanation of measurement screen) measurement screen measurement time the measurement time is displayed, which is one of the following :. 1s、3s、5s、10s、1m、5m、10m、15m、30m、1h、8h、12h、24h、＊＊＊(forever: until [start/stop] key entry) pause (temporary interruption mark) blinks when the calculati...

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    16 frequency characterisitic and calculation function style a c z sound pressure level l a l c lp equivalent continuous sound pressure level l aeq l ceq leq sound exposure level l ae l ce l e maximum sound pressure level l amax ― ― minimum sound pressure level l amin ― ― percentile (5%) sound pressu...

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    17 preparation battery installation when lcd display tells low battery, install new batteries. For long-term measurement, install new batteries in advance. The following displays tell you the condition of the batteries. The battery residual quantity display are the 5 stages like the following. To in...

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    18 lcd back-light you can use lcd back-light, when your measurement is carried out in the dark situations. [light] key 1) press [light] key, lcd back-light goes on. 2) if you press [light] key again, lcd back-light goes out. The light automatically goes out in about 30 seconds after the light goes o...

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    19 1/3 1/3 1/3 1/3 mode mode mode mode ： ： ： ： normal normal normal normal data delet data delet data delet data delet ： ： ： ： off off off off lcd cont lcd cont lcd cont lcd cont ：＊＊＊ ：＊＊＊ ：＊＊＊ ：＊＊＊ date date date date y/m/d y/m/d y/m/d y/m/d ： ： ： ： 00/00/00 00/00/00 00/00/00 00/00/00 time time tim...

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    20 1/3 1/3 1/3 1/3 mode mode mode mode ： ： ： ： normal normal normal normal data delet data delet data delet data delet ： ： ： ： off off off off lcd cont lcd cont lcd cont lcd cont ：＊＊＊ ：＊＊＊ ：＊＊＊ ：＊＊＊ date date date date y/m/d y/m/d y/m/d y/m/d ： ： ： ： 00/00/00 00/00/00 00/00/00 00/00/00 time time tim...

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    21 calibration you need to calibrate the instrument regularly before you start taking measurements. There are two types of calibration. One is the way using the internal generator, the other is the way using the pistonphone. Note that calibration is disabled when “peak measurement” is selected calib...

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    22 pistonphone ( model 2124 a) or calibration using sound calibrator ( model 2127 ) 1) turn off the power of pistonphone (model 2124a) or sound calibrator (model 2127). 2) turn on the power of this equipment 3) for the pistonphone, set the frequency weighting to z with frequency weighting key, set t...

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    23 menu screen with [menu] key pressed, the following menu screen appears. (under the situation with [start/stop] key not pressed). 1/3 → 2/3 → 3/3 → 1/3 → 2/3 ・・・ ・・・ ・・・ ・・・ each [menu] key pressed, you can select one of three screens as above, and return to the measurement setting screen. . Selec...

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    24 (1/3) item default contents ● meas mode ： normal ： normal ：normal measurement print ：print pc out ：data management memory call ：display recorded data l atm5 ：tact-max sound pressure level (std card) remote u ：communicate mode(usb) remote r ：communicate mode(rs-232c） ● data delet ： off ： data dele...

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    25 ＜ ＜ ＜ ＜ memory＞ ＞ ＞ ＞ (2/3) items default explanation ● mode ：normal ： normal：basic setting auto ：automatic measurement, where the following items are available. Start ：start of power supply on automatic measuring system. （ it records on the memory card simultaneously） ● interval ：single ： measur...

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    26 note measurement starts when the selected level is exceeded after the time specified with sta time, in the following example : ： when the level exceeds 65db after 18:16 october 10, recording starts and the measurement is made once during the time specified with meas time. Recording is continued, ...

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    27 lp ： instantaneous value leq ：equivalent continuous a-weighted sound pressure level l e ： single event sound exposure level lmin ：minimum a-weighted sound pressure level lmax ：maximum a-weighted sound pressure level lpeak ：peak sound pressure level ＜ ＜ ＜ ＜ view mode＞ ＞ ＞ ＞ 3/3 select the category...

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    28 measurement procedure sound pressure level ((((l p )))) measurement：：：：frequency weighting key z ＜ ＜ ＜ ＜ parameter setting ＞ ＞ ＞ ＞ measure ment is made according to the following procedure. ① frequency weighting key ：z ② display mode key ： l p ③ time weighting key ：f, s or imp ④ range key ： selec...

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    29 temporal level display of sound pressure level (l p ) ＜ ＜ ＜ ＜ parameter setting ＞： ＞： ＞： ＞： the temporal level is displayed at each contiguous push (1.5s) of [mode] key as follows, returning to the standard display screen when the key is pushed again. The key operation is similar to the measureme...

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    30 a-weighted sound pressure level (l a /l c ) measurement： ： ： ： frequency weighting key a, c ＜ ＜ ＜ ＜ parameter setting ＞ ＞ ＞ ＞ measurement is mede according to the following procedure ① frequency weighting key ：a or c ② display mode key ：l a , l c ③ time weighting key ：f, s or imp ④ range key ： se...

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    31 time level display of a-weighted sound pressure level (l a /l c ) ＜ ＜ ＜ ＜ parameter setting ＞ ＞ ＞ ＞ the key operation is similar to the measurement of a-weighted sound pressure level (l a /l c ). ＜ ＜ ＜ ＜ display ＞ ＞ ＞ ＞ the instantaneous level is displayed at each about 300ms from right to left. ...

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    32 equivalent continuous a-weighted sound pressure level (l aeq ) measurement ＜ ＜ ＜ ＜ parameter setting ＞ ＞ ＞ ＞ 1）the key operation is similar to the measurement of a-weighted sound pressure level (l a ) except that it needs [start/stop] key input for starting the measurement (automatic calculation)...

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    33 single event sound exposure level（（（（l ae ） ） ） ） measurement ＜ ＜ ＜ ＜ parameter setting ＞ ＞ ＞ ＞ 1） the key operation is similar to the measurement of a-weighted sound pressure level (l a ) except that it needs [start/stop] key input for starting the measurement (automatic calculation). 2）to displ...

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    34 maximum a-weighted sound pressure level (l a max /l a min ) measurement ＜ ＜ ＜ ＜ parameter setting ＞ ＞ ＞ ＞ １） the key operation is similar to the measurement of a-weighted sound pressure level (l aeq ) to display measurements of l max , input on to "lamax" beforehand by the 3/3 screen item. ( simi...

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    35 percentile level (l an ) measurement ＜ ＜ ＜ ＜ parameter setting ＞ ＞ ＞ ＞ 1）the key operation is similar to the measurement of a-weighted sound pressure level (l aeq ) 2） to display the value lmax, keep the "la05 ,la10 ,la50 ,la90 ,la95" key on in advance in the 3/3 screen. ① frequency weighting key...

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    36 peak sound pressure level (l peak ) measurment the peak sound pressure level is peak sound pressure level of the sound wave before smoothed with the time weighting characteristics. L peak is peak sound level for z characteristics. ＜ ＜ ＜ ＜ parameter setting ＞ ＞ ＞ ＞ measurement is mede according to...

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    37 c-weighted peak sound pressure level (l cpeak ) measurement the peak sound level is peak sound pressure level before smoothed with the time weighting characteristics. Lcpeak is wavy peak level of c characteristic. ＜ ＜ ＜ ＜ parameter setting ＞ ＞ ＞ ＞ measurement is mede according to the following pr...

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    38 c-weighted equivalent continuous sound pressure level (l ceq ) measurement lceq is c-weighted equivalent continuous sound pressure level. ＜ ＜ ＜ ＜ parameter setting ＞ ＞ ＞ ＞ measurement is mede according to the following procedure ① frequency weighting key ：c ② display mode key ： leq ③ time weighti...

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    39 ← count-up timer for the measurement ← starts with display ――. ― when the measurement mode is tm5 . Measurement value is displayed every five second. ← the bar displays the instantaneous level in every 0.1 second. ← l a and tm5 can be changed. Current level is displayed with l a selected value. P...

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    40 impulse sound pressure level(l ai ) measurement impulse sound pressure level (l ai ) is a-weighted sound pressure level with time weighting characteristics, ‘impulse’. It can be used only when a characteristics is selected in the default screen. ＜ ＜ ＜ ＜ parameter setting ＞ ＞ ＞ ＞ measurement is me...

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    41 impulse equivalent continuous a-weighted sound pressure level (l aieq ) measurement impulse equivalent continuous a-weighted sound pressure level (l aieq ) is equivalent continuous sound pressure level with time weighting characteristics, ‘impulse’. It can be used only when a characteristics is s...

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    42 memory function record of memory 【 【 【 【 nomal】 】 】 】 mode mode ： normal ： normal ：normal measurement ● interval ：single ： measuring interval setting single ：the measurement starts with[start/stop] key and is terminated at meas time selected . Repeat ：the measurement starts with [start/stop] key ...

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    43 【 【 【 【 auto】 】 】 】 mode ＜ ＜ ＜ ＜ operation ＞ ＞ ＞ ＞ by changing mode: normal in 2/3 of [menu] screen to mode: auto with the ▲▼key , and fixing it with [set] key, the following screen appears: select to mode：auto mode ：auto ： automatic measurement, where the following items are available. Interval ...

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    44 ≪ ≪ ≪ ≪ interval ： ： ： ： single at time of setting≫ ≫ ≫ ≫ ● samp time ： meas.Time at time of setting if instantaneous value is beyond a set point, i record for once of “meas.Time”. ● samp time ：( 100ms / 200ms / 1s ) at time of setting if instantaneous value is beyond a setting level, record it d...

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    45 ＜ standby screen ＞ ＜ during a measurement ＞ ↑ default screen the stp blinks when [start stop] key is pressed to confirm the stand-by state. １０ １０ １０ １０ｍ ｍ ｍ ｍ ０００ ０００ ０００ ０００ｈ ｈ ｈ ｈ００ ００ ００ ００ｍ ｍ ｍ ｍ０ ０ ０ ０0 0 0 0ｓ ｓ ｓ ｓ ６３ ６３ ６３ ６３． ． ． ．５ ５ ５ ５ ｄＢ ｄＢ ｄＢ ｄＢ stp stp stp stp aaaa fast fast fast fa...

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    46 001/014 001/014 001/014 001/014 10 10 10 10ｍ ｍ ｍ ｍ 08/10/10 08/10/10 08/10/10 08/10/10 fast fast fast fast ＊ ＊ ＊ ＊ 1 1 1 12:18:20 2:18:20 2:18:20 2:18:20 l l l laeq aeq aeq aeq ： ： ： ： 45.3 la05 45.3 la05 45.3 la05 45.3 la05： ： ： ： 66.2 66.2 66.2 66.2 lae lae lae lae ： ： ： ： 48.6 48.6 48.6 48.6 l...

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    47 how to use the memory card ( sd card － － － －standard－ － － － ) the measured data can be stored on the memory card (sd card) to be processed by personal computer. When the memory card (sd card) is inserted after the power of this equipment supply is turned on, display【std】blinks. The memory card (s...

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    48 eject the card caution after "std" lighting, please take out a card in a few minutes. There is the case that "card err" is displayed. In the case, the file might be damaged. Delete the card data ① press card key. ② std lighted. ④ eject the card. Card 44440000 1 1 1 133330000 0 0 0 03s 3s 3s 3s ００...

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    49 example of file creation the file is created as follows. : when a characteristics (time constant f and s) is selected: ・ single 001.Csv ← ：whenever [start/stop] key is pushed, this single data line is made. (a single data since the mode is single. ) 002.Csv ↓ ・ ・ ・ repeat 001.Csv ← ：whenever [sta...

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    50 print/data management print this equipment is provided with a function of printing the measured data with a specified serial printer. ← set to mode: print ＜ parameter setting＞ 1) turn off power switch and connect the printer before turning on power switch again. 2) select print in [menu] key, 1/3...

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    51 saving data to pc this equipment is provided with data saving function using the specified data management software. Data management with usb port ← ← set mode to pc out display ＜ operation＞ select pc out in [menu] key, 1/3 screen and press [set] key. ＜ display＞ a-weighting c-weighting z-weightin...

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    52 output terminal ac 、 、 、 、 dc output ac output the ac output is the frequency-weighted signal. Output: 1vrms (fs), output impedance: 600Ω, load impedance > 10kΩ dc output the dc output is the frequency-weighted, root-mean-square-detected, and then logarithmic converted signal. Output: 2.5v (fs), ...

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    53 specification 1) type ： model 4431 2) description ： sound level meter 3) applicable standards ： jis c1509-1：2005 classⅡ, iec 61672-1：2002 class Ⅱ 4) frequency range ： 20hz～20khz（conforms with measurement law 20hz～8khz） 5) microphone(sensitivity） ： type 7052nr(-33db, stand-alone-31db) 6) level ran...

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    54 18) calibration signal ： electric calibration with internal oscillator (1khz sine wave) 19) outputs ac output ：φ2.5 jack output ： 1vrms (fs) output impedance：600Ω load impedance ：more than 10kΩ dc output ：φ 2.5 jack output ： 2.5v (fs), 0.25v/10db, output impedance ：50Ω load impedance ：more than 1...

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    55 frequency analysis band ：1/1- octave filter；16hz, 31.5 hz, 63 hz, 125 hz, 250 hz, 500hz, 1khz, 2khz,4khz, 8khz, ap 1/3- octave filter；12.5hz, 16hz, 20 hz,25 hz,31.5hz,40hz, 50hz, 63hz, 80hz, 100hz, 125hz, 160hz, 200hz, 250hz, 315hz, 400hz, 500hz, 630hz, 800hz, 1khz, 1.25khz, 1.6khz, 2khz, 2.5khz,...

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    56 appearance diagram of sound level meter model 4431.

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    57 pin connections and how to connect the extension cable 1) detach microphone from the body of the meter. 2) then plug the male connector of extension cable into the connector of the body. ① turn the threaded reraining ring a little to the left. ② pull out microphone as shown. ③ repeat ① turn a lef...

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    58 a；＋v d；com b；nc e；nc c；－v f；sig connector (pin;r03-jb6f) connector (soket;r03-pb6m) 3) attach microphone to the female connector of extension cable. 【 wiring diagram of main body side connector】 【 wiring diagram of extension cable】 extension cable(2m～30m) ※ note; do not turn only the threaded rer...

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    59 communication command interface usb： lsi ft245 transfer speed ： 9600～921600bps data size ： 8bit stop bit ： 1bit parity check ： non rs-232c： transfer speed ： 9600,19200,38400bps data size ： 8bit stop bit ： 1bit parity check ： non format cmd dat cr lf data：variable size（ascii） command：1byte（ascii）.

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    60 command table（ （ （ （cmd） ） ） ） capital letters pertain to pc command small letters paertain to 4431 command normal command： ： ： ：nomal sound level meter mode № function item 4431 ↑ pc pc ↑ 4431 function outline 1 time and date setting request t calendar registration time and date setting complete...

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    61 【 【 【 【 option】 】 】 】 fft command： ： ： ： when fft card is installed、 、 、 、 an additional receipt is done by a usual sound level meter command. № function item 4431 ↑ pc pc ↑ 4431 function outline 1 frequency span g frequency span setting g 2 maes time h measurement time h 3 window function j wind...

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    62 detail of command normal command： ： ： ：nomal sound level meter mode cmd function item data item function outline t time and data setting request ascii(13) yymmddhhmmss t time and data setting completed data division note f transfer configuration file ascii(5) a b c d e a ：meas time select（1） 0 ；＊...

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    63 v version request data division note data transfer w wave out request data division note data transfer 【 【 【 【 option】 】 】 】 filter command： ： ： ： at filter card setting, it is usually added to a sound level meter command cmd function item data item function lutline o filter setting ascii(1) 0：1/...

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    64 preparation（ （ （ （to remote mode） ） ） ） 1. Main body side setting and screen select renote mode manually. ＜ usb communicate＞ ＜rs-232c communicate＞ nest time you power on, it stars with [remote]. To cancel it, select [menu] in menu. 2. Communication timing after power on 4431 pc various command da...