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产品简介

记录型分贝仪SL-4023SD是专业为测试噪音并记录噪音数据设计的噪音记录仪和分贝记录仪,具有竞争力的分贝仪价格.记录型分贝仪SL-4023SD特征*主要功能设计符合IEC61672-2级标准

详细介绍

记录型分贝仪SL-4023SD是专业为测试噪音并记录噪音数据设计的噪音记录仪和分贝记录仪,具有竞争力的分贝仪价格.
记录型分贝仪SL-4023SD特征
*主要功能设计符合IEC 61672-2级标准。
*标准加权网络符合标准。
* 0.5“标准麦克风头。
*时间加权（快-慢）动态特性模式。
*建立外部校准VR。。
*自动范围和手动范围选择。
*可用于外部校准调整。
*高精度、长期稳定的电容传声器。
*存储和最小值的内存功能。
*峰值保持功能。
*SD记忆卡实时Datalogger记录，它内置时钟和日历，实时数据记录器，采样时间：1秒到3600秒。
*手动数据可用（设置采样时间0秒），在执行手动数据采集器的功能，可以设置不同的位置（位置）号（1位到99位）。
*创新型设计，易于操作，计算机不需要设置额外的软件，执行数据采集器时，只是把SD卡从表和插入SD卡插入电脑，可以下载的所有测量值和时间信息（年/月/日/时/分/秒）到Excel，然后用户可以自己进行进一步的数据或图形分析。
* SD卡容量：1 GB到16 GB。
* LCD背光灯绿色，易于阅读。
*能自动关机或手动关机。
*数据保持，记录和最小读数。
*微机电路，高精度。
* UM3 AA电源（1.5 V）x 6电池或直流9V适配器。
* PC机接口。
*重型及小型外壳

记录型分贝仪SL-4023SD规格

Circuit	Custom one-chip of microprocessor LSI circuit.
Display	LCD size : 52 mm x 38 mm LCD with green backlight ( ON/OFF ).
Measurement Range	30 - 130 dB.
Resolution	0.1 dB.
Function	dB ( A & C frequency weighting ), Time weighting ( Fast, Slow ), Peak hold, Data hold Record ( Max., Min. ).
Accuracy (23 ± 5 ℃)	Characteristics of " A " frequency 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 K Hz ± 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 Weighting Network	Characteristics of A & C. 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.
Data hold	To freeze the measurement value.
Peak hold	To keep the peak ( max. ) measurement value.

Time weighting (Fast & Slow)	Fast - t= 200 ms * "Fast" range is simulated the human ear response time weighting. Slow - t = 500 ms * "Slow" range is easy to get the average values of vibration sound level.
Range selector	Auto	range		:	30	to	130	dB.
	Manual range : 3 range, 30 to 80 dB, 50 to 100 dB, 80 to 130 dB, 50 dB on each step, with over & under range indicating.
Frequency	31.5 to 8,000 Hz.
Microphone type	Electric condenser microphone.
Microphone size	Out size, 12.7 mm DIA. ( 1/2 inch).
Calibration VR	Build in external calibration VR, easy to calibrate on 94 dB level by screw driver. * Calibrated via external SOUND CALIBRATOR ( SC-941, optional ).
Calibrator	B & K (Bruel & kjaer), MULTIFUCTION ACOUSTIC CALIBRATOR 4226.
Datalogger Sampling Time Setting range	Auto		1 second to 3600 seconds @ Sampling time can set to 1 second, 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 setting	* Set clock time ( Year/Month/Date, Hour/Minute/ Second ) * Decimal point of SD card setting * Auto power OFF management * Set beep Sound ON/OFF * Set sampling time * SD memory card Format
Over Indication	Show " ".
Data Hold	Freeze the display reading.
Memory Recall	Maximum & Minimum value.
Sampling Time of Display	Approx. 1 second.
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.
Power off	Auto shut off saves battery life or manual off by push button.
Operating Temperature	0 to 50 ℃.
Operating Humidity	Less than 85% R.H.
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 8.5 mA.
	When SD card save the data but and LCD Backlight is OFF) : Approx. DC 30 mA.
	* If LCD backlight on, the power consumption will increase approx. 14 mA.
Weight	489 g/1.08 LB.
Dimension	245 x 68 x 45 mm. ( 9.6 x 2.7x 1.9 inch ).
Accessories Included	* Instruction manual. 1 PC
Optional Accessories	* Sound calibrator ( 94 dB ), SC-941. * Sound calibrator ( 94/114 dB ), SC-942. * Sound wind shield ball, SB-01 * SD Card ( 1 GB ) * 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. * Hard carrying case, CA-06.