積分聲級計記錄儀SL-4035SD特點
*頻率和時間加權(quán)符合IEC 61672 1級
*標準加權(quán)網(wǎng)絡(luò)符合標準。
* 0.5“標準麥克風頭。
*時間加權(quán)（快-慢）動態(tài)特性模式。
*建立外部校準虛擬現(xiàn)實。
*自動范圍和手動范圍選擇。
*可用于外部校準調(diào)整。
*高精度、長期穩(wěn)定的電容傳聲器。
*存儲和最小值的內(nèi)存函數(shù)。
*保持和峰值保持功能。
*實時SD記憶卡Datalogger，它內(nèi)置時鐘和日歷，實時數(shù)據(jù)記錄器，采樣時間從1秒到3600秒。
*手動數(shù)據(jù)是可用的（設(shè)定采樣時間為0秒），在執(zhí)行手動數(shù)據(jù)采集器的功能，可以設(shè)置不同的位置（位置）號（1位到99位）。
*創(chuàng)新和易于操作，計算機不需要設(shè)置額外的軟件，在執(zhí)行數(shù)據(jù)采集器，只是把SD卡從表和插入SD卡插入電腦，可以下載的所有測量值和時間信息（年/月/日/時/分/秒）到Excel，然后用戶可以自己進行進一步的數(shù)據(jù)或圖形分析。
* SD卡容量：1 GB到16 GB。
* LCD背光燈綠色，易于閱讀。
*能自動關(guān)機或手動關(guān)機。
*數(shù)據(jù)保持，記錄和最小讀數(shù)。
*微機電路，高精度。
* 3／AA電源（1.5 V）x 6電池或直流9V適配器。
* PC機接口。
＊重型及小型外殼。
*頻率和時間加權(quán)的設(shè)計符合IEC 61672 2級。
*可編程集成提供了在很寬的范圍內(nèi)精確的線性表（100dB）和顯示的Leq和SPL測量。
*標準加權(quán)網(wǎng)絡(luò)符合標準。
* 0.5“標準傳聲器探頭。
*時間加權(quán)（快-慢）動態(tài)特性模式。
*建立外部校準虛擬現(xiàn)實。
*自動范圍和手動范圍選擇。
*高精度、長期穩(wěn)定的電容傳聲器。
*存儲和最小值的內(nèi)存函數(shù)。
*保持和峰值保持功能。
*實時SD記憶卡Datalogger，它內(nèi)置時鐘和日歷，實時數(shù)據(jù)記錄器，采樣時間從1秒到3600秒。
*手動數(shù)據(jù)是可用的（設(shè)定采樣時間為0秒），在執(zhí)行手動數(shù)據(jù)采集器的功能，可以設(shè)置不同的位置（位置）號（1位到99位）。
*創(chuàng)新和易于操作，計算機不需要設(shè)置額外的軟件，在執(zhí)行數(shù)據(jù)采集器，只是把SD卡從表和插入SD卡插入電腦，它可以下載所有測量值和時間信息（年/月/日/小時/分鐘/秒）來Excel，然后用戶可以自己進行進一步的數(shù)據(jù)或圖形分析。
* SD卡容量：1 GB到16 GB。
* LCD背光燈綠色，易于閱讀。
*能自動關(guān)機或手動關(guān)機。
*數(shù)據(jù)保持，記錄和最小讀數(shù)。
*微機電路，高精度。
* 3／AA電源（1.5 V）x 6電池或直流9V適配器。
* PC機接口。
*重型緊湊殼體Leq，SEL，SPL，值和最小值測量。
積分聲級計記錄儀SL-4035SD規(guī)格參數(shù)
| Circuit | Custom one-chip of microprocessor LSI | |||||||||
| circuit. | ||||||||||
| Display | LCD size : 52 mm x 32 mm | |||||||||
| LCD with green backlight ( ON/OFF ). | ||||||||||
| Measurement | SPL | : Sound pressure level | ||||||||
| Type | Leq | : Equivalent Continuous Noise Level | ||||||||
| Measurement | 30 - 130 dB. | |||||||||
| Range | ||||||||||
| Resolution | 0.1 dB. | |||||||||
| Function | dB ( A & C frequency weighting ), | |||||||||
| Time weighting ( Fast, Slow ), | ||||||||||
| Peak hold, Data hold | ||||||||||
| Record ( Max., Min. ). | ||||||||||
| Accuracy | Characteristics of " A " frequency | |||||||||
| (23 ± 5 ℃) | weighting network meet IEC 61672 | |||||||||
| class 2 | ||||||||||
| Under 94 dB input signal, the accuracy | ||||||||||
| are : | ||||||||||
| 31.5 | Hz | ± 3.5 dB | ||||||||
| 63 | Hz | ± 2.5 dB | ||||||||
| 125 | Hz | ± 2.0 dB | ||||||||
| 250 | Hz | ± 1.9 dB | ||||||||
| 500 | Hz | ± 1.9 dB | ||||||||
| 1 K | Hz | ± 1.4 dB | ||||||||
| 2 K | Hz | ± 2.6 dB | ||||||||
| 4 K | Hz | ± 3.6 dB | ||||||||
| 8 KHz | ± 5.6 dB | |||||||||
| Remark : | ||||||||||
| The above spec. are tested under the | ||||||||||
| environment | RF Field Strength less | |||||||||
| than 3 V/M & frequency less than 30 | ||||||||||
| MHz only. | ||||||||||
| Frequency | Characteristics of A & C. | |||||||||
| Weighting | ||||||||||
| Network | A weighting : | |||||||||
| The characteristic is simulated as "Human | ||||||||||
| Ear Listing" response. Typical, if making | ||||||||||
| the environmental sound level | ||||||||||
| measurement, always select to A | ||||||||||
| weighting. | ||||||||||
| C weighting : | ||||||||||
| The characteristic is near the "FLAT" | ||||||||||
| response. Typical, it is suitable for | ||||||||||
| checking the noise of machinery (Q.C. | ||||||||||
| check) & knowing the sound pressure | ||||||||||
| level of the tested equipment. | ||||||||||
| Peak hold | To keep the peak ( max. ) measurement | |||||||||
| value. | ||||||||||
| Data hold | To freeze the measurement value. | |||||||||
| Time | Fast - t = 125 ms | |||||||||
| weighting | * "Fast" range is simulated the human ear | |||||||||
| (FAST &SLOW) | response time weighting. | |||||||||
| Slow - t = 1 s | ||||||||||
| * "Slow" range is easy to get the average | ||||||||||
| values of vibration sound level. | ||||||||||
| Range selector | Auto range : | 30 to 130 dB. | ||||||||
| Manual range : | ||||||||||
| 2 range, 30 to 80 dB, | ||||||||||
| 80 to 130 dB, 50 dB on each step, | ||||||||||
| with over & under range indicating. | ||||||||||
| Frequency | 31.5 to 8,000 Hz. | |||||||||
| Microphone | Electric condenser microphone. | |||||||||
| type | ||||||||||
| Microphone | Out size, 12.7 mm DIA. ( 1/2 inch). | |||||||||
| size | ||||||||||
| Calibration VR | Build in external calibration VR, easy to | |||||||||
| calibrate on 94 dB level by screw driver. | ||||||||||
| * Calibrated via external SOUND | ||||||||||
| CALIBRATOR ( SC-942, optional ). | ||||||||||
| Calibrator | B & K (Bruel & kjaer), MULTIFUNCTION | |||||||||
| ACOUSTIC CALIBRATOR Type 4226. | ||||||||||
| Datalogger | Auto | 1 second to 3600 seconds | ||||||||
| Sampling Time | @ Sampling time can set to 1 second, | |||||||||
| Setting range | but memory data may loss. | |||||||||
| Manual | Push the data logger button | |||||||||
| once will save data one time. | ||||||||||
| @ Set the sampling time to | ||||||||||
| 0 second. | ||||||||||
| @ Manual mode, can also select the | ||||||||||
| 1 to 99 position ( Location ) no. | ||||||||||
| Memory Card | SD memory card. 1 GB to 16 GB. | |||||||||
| Advanced | * Set clock time | |||||||||
| setting | ( Year/Month/Date,Hour/Minute/ Second ) | |||||||||
| * Set sampling time | ||||||||||
| * Auto power OFF management | ||||||||||
| * Set beep Sound ON/OFF | ||||||||||
| * Decimal point of SD card setting | ||||||||||
| * SD memory card Format | ||||||||||
| * Frequency weighting | to A or C setting | |||||||||
| Over Indication | Show " - - - - ". | |||||||||
| Data Hold | Freeze the display reading. | |||||||||
| Memory Recall | Maximum & Minimum value. | |||||||||
| Sampling Time | Approx. 1 second. | |||||||||
| of Display | ||||||||||
| Data Output | RS 232/USB PC computer interface. | |||||||||
| * Connect the optional RS232 cable | ||||||||||
| UPCB-02 will get the RS232 plug. | ||||||||||
| * Connect the optional USB cable | ||||||||||
| USB-01 will get the USB plug. | ||||||||||
| AC output | AC 0.5 Vrms corresponding to each | |||||||||
| range step. | ||||||||||
| * Output impedance : 600 ohm. | ||||||||||
| Power off | Auto shut off saves battery life or | |||||||||
| manual off by push button. | ||||||||||
| Operating | 0 to 50 ℃. | |||||||||
| Temperature | ||||||||||
| Operating | Less than 85% R.H. | |||||||||
| Humidity | ||||||||||
| Power Supply | * Alkaline or heavy duty DC 1.5 V battery | |||||||||
| ( UM3, AA ) x 6 PCs, | or equivalent. | |||||||||
| * DC 9V adapter input. ( AC/DC power | ||||||||||
| adapter is optional ). | ||||||||||
| Power Current | Normal operation ( w/o SD card save | |||||||||
| data and LCD Backlight is OFF) : | ||||||||||
| Approx. DC 12 mA. | ||||||||||
| When SD card save the data but and | ||||||||||
| LCD Backlight is OFF) : | ||||||||||
| Approx. DC 51 mA. | ||||||||||
| * If LCD backlight on, the power | ||||||||||
| consumption will increase approx. | ||||||||||
| 30 mA. | ||||||||||
| Weight | 489 g/1.08 LB. | |||||||||
| Dimension | 245 x 68 x 45 mm. | |||||||||
| ( 9.6 x 2.7x 1.9 inch ). | ||||||||||
| Accessories | * Instruction manual........................1 PC | |||||||||
| Included | * Hard carrying case, CA-06.............1 PC | |||||||||
| Optional | * Sound calibrator ( 94 dB ), SC-941. | |||||||||
| Accessories | * Sound calibrator ( 94/114 dB ), SC-942. | |||||||||
| * Sound wind shield ball, SB-01 | ||||||||||
| * SD Card ( 2 GB ) | ||||||||||
| * USB cable, USB-01. | ||||||||||
| * RS232 cable, UPCB-02. | ||||||||||
| * Data Acquisition software, | ||||||||||
| SW-U801-WIN. | ||||||||||
| * AC to DC 9V adapter. | ||||||||||
| * Soft carrying case, CA-05A. | ||||||||||
