SD Card real time data logger
SOUND LEVEL METER
Model : SL-4033SD
FEATURES
* Frequency and time weighting meet IEC 61672 class 1 Peak hold To keep the peak ( max. ) measurement
* A & C weighting networks comply with standards. value.
* 0.5" standard microphone head. Time Fast - t= 200 ms
* Time weighting (Fast & Slow) dynamic characteristic weighting * "Fast" range is simulated the human ear
modes. (Fast & Slow) response time weighting.
* Build External calibration VR. Slow - t = 500 ms
* Auto range & Manual range selection. * "Slow" range is easy to get the average
* Available for external calibration adjustment. values of vibration sound level.
* Condenser microphone for high accuracy & long-term Range selector Auto range : 30 to 130 dB.
stability. Manual range :
* Memory function to store the Max. & Min. value. 3 range, 30 to 80 dB, 50 to 100 dB,
* Hold and Peak Hold functions. 80 to 130 dB, 50 dB on each step,
* Real time SD memory card Datalogger, it Built-in Clock with over & under range indicating.
and Calendar, real time data recorder, sampling time set Frequency 31.5 to 16 KHz.
from 1 second to 3600 seconds. Microphone Electric condenser microphone.
* Manual datalogger is available ( set the sampling type
time to 0 second ), during execute the manual datalogger Microphone Out size, 12.7 mm DIA. ( 1/2 inch).
function, it can set the different position ( location ) No. size
( position 1 to position 99 ). Calibration VR Build in external calibration VR, easy to
* Innovation and easy operation, computer is not need to calibrate on 94 dB level by screw driver.
setup extra software, after execute datalogger, just take * Calibrated via external SOUND
away the SD card from the meter and plug in the SD card CALIBRATOR ( SC-941, optional ).
into the computer, it can down load the all the measured Calibrator B & K (Bruel & kjaer), Multifunction
value with the time information ( year/month/date/ Acoustic Calibrator 4226.
hour/minute/second ) to the Excel directly, then user can Datalogger Auto 1 second to 3600 seconds
make the further data or graphic analysis by themselves. Sampling Time @ Sampling time can set to 1 second,
* SD card capacity : 1 GB to 16 GB. Setting range but memory data may loss.
* LCD with green light backlight, easy reading. Manual Push the data logger button
* Can default auto power off or manual power off. once will save data one time.
* Data hold, record max. and min. reading. @ Set the sampling time to
* Microcomputer circuit, high accuracy. 0 second.
* Power by UM3/AA ( 1.5 V ) x 6 batteries or DC 9V adapter. @ Manual mode, can also select the
* RS232/USB PC COMPUTER interface. 1 to 99 position ( Location ) no.
* Heavy duty & compact housing case. Memory Card SD memory card. 1 GB to 16 GB.
Advanced * Set clock time ( Year/Month/Date,
GENERAL SPECIFICATIONS setting Hour/Minute/ Second )
Circuit Custom one-chip of microprocessor LSI * Decimal point of SD card setting
circuit. * Auto power OFF management
Display LCD size : 52 mm x 38 mm * Set beep Sound ON/OFF
LCD with green backlight ( ON/OFF ). * Set sampling time
Measurement 30 - 130 dB. * SD memory card Format
Range Over Indication Show " - - - - ".
Resolution 0.1 dB. Data Hold Freeze the display reading.
Function dB ( A & C frequency weighting ), Memory Recall Maximum & Minimum value.
Time weighting ( Fast, Slow ), Sampling Time Approx. 1 second.
Peak hold, Data hold of Display
Record ( Max., Min. ). Data Output RS 232/USB PC computer interface.
Accuracy Characteristics of " A " frequency * Connect the optional RS232 cable
(23 ± 5 ℃) weighting network meet IEC 61672 UPCB-02 will get the RS232 plug.
class 1 * Connect the optional USB cable
USB-01 will get the USB plug.
Under 94 dB input signal, the accuracy Power off Auto shut off saves battery life or
are : manual off by push button.
31.5 Hz ± 2.0 dB Operating 0 to 50 ℃.
63 Hz ± 1.5 dB Temperature
125 Hz ± 1.5 dB Operating Less than 85% R.H.
250 Hz ± 1.4 dB Humidity
500 Hz ± 1.4 dB Power Supply * AAClk/aDlCin ep oowr ehre advya pdtuetry i sD oCp 1ti.o5n Va l.battery
1 K Hz ± 1.1 dB ( UM3, AA ) x 6 PCs, or equivalent.
2 K Hz ± 1.6 dB * ADCC/ D9CV paodwapetre ar dinaputet.r (is A oCp/tDioCn palo.wer
4 K Hz ± 1.6 dB adapter is optional ).
8 K Hz + 2.1 dB , -3.1 dB Power Current Normal operation ( w/o SD card save
12.5 KHz + 3.0 dB, -6.0 dB data and LCD Backlight is OFF) :
16 KHz + 3.5 dB, -17.0 dB Approx. DC 8.5 mA.
When SD card save the data but and
Remark : LCD Backlight is OFF) :
The above spec. are tested under the Approx. DC 30 mA.
environment RF Field Strength less * AIfC L/DCCD pboawckelirg ahdt aopnt,e rt hise oppotwioenral.
than 3 V/M & frequency less than 30 consumption will increase approx.
MHz only. 14 mA.
Frequency Characteristics of A & C. Weight 489 g/1.08 LB.
Weighting Dimension 245 x 68 x 45 mm.
Network A weighting : ( 9.6 x 2.7x 1.9 inch ).
The characteristic is simulated as "Human Accessories * Instruction manual........................1.. .P.C..
Ear Listing" response. Typical, if making Included * Hard carrying case, CA-06..............1. PC
the environmental sound level Optional * Sound calibrator ( 94 dB ), SC-941.
measurement, always select to A Accessories * Sound calibrator ( 94/114 dB ), SC-942.
weighting. * Sound wind shield ball, SB-01
* SD Card ( 2 GB )
C weighting * USB cable, USB-01.
The characteristic is near the "FLAT" * RS232 cable, UPCB-02.
response. Typical, it is suitable for * Data Acquisition software,
checking the noise of machinery (Q.C. SW-U801-WIN.
check) & knowing the sound pressure * AC to DC 9V adapter.
level of the tested equipment. * Soft carrying case, CA-05A.
Data hold To freeze the measurement value.
PATENT CHINA : ZL 2008 2 0189918.5 ZL 2008 2 0189917.0 TAIWAN : M 358970 M 359043
Germany : Nr. 20 2008 016 337.4 JAPAN : 3151214 U.S.A. : Pending
