積分聲級計記錄儀SL-4035SD是一款二級聲級計和二級噪音計,具有噪音數(shù)據(jù)記錄功能,是高性價比記錄型積分聲級計.
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(biāo)準(zhǔn)加權(quán)網(wǎng)絡(luò)符合標(biāo)準(zhǔn)。
* 0.5“標(biāo)準(zhǔn)麥克風(fēng)頭。
*時間加權(quán)（快-慢）動態(tài)特性模式。
*建立外部校準(zhǔn)虛擬現(xiàn)實。
*自動范圍和手動范圍選擇。
*可用于外部校準(zhǔn)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(biāo)準(zhǔn)加權(quán)網(wǎng)絡(luò)符合標(biāo)準(zhǔn)。
* 0.5“標(biāo)準(zhǔn)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(zhǔn)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.