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Lutron SL-4023SD Sound Level Meter, Class 2, SD Card Logger

Lutron SL-4023SD Sound Level Meter, Class 2, SD Card Logger

Brand
Lutron
Model number
SL-4023SD

Class 2 sound level meter for 30 to 130 dB with A and C weighting, auto/manual range, peak hold and real-time SD card data logging.

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Key features

  • Main functions are designed to meet IEC 61672 class 2.
  • A & C weighting networks comply with standards.
  • 0.5" standard microphone head.
  • Time weighting (Fast & Slow) dynamic characteristic modes.
  • Build External calibration VR.
  • Auto range & Manual range selection.
  • Available for external calibration adjustment.
  • Condenser microphone for high accuracy & long-term stability.
  • Memory function to store the Max. & Min. value.
  • Hold and Peak Hold functions.
  • Real time SD memory card Datalogger, it Built-in Clock and Calendar, real time data recorder, sampling time set from 1 second to 3600 seconds.
  • Manual datalogger is available (set the sampling time to 0 second), during execute the manual datalogger function, it can set the different position (location) No. (position 1 to position 99).
  • Innovation and easy operation, computer is not need to setup extra software, after execute datalogger, just take away the SD card from the meter and plug in the SD card into the computer, it can down load the all the measured value with the time information (year/month/date/ hour/minute/second) to the Excel directly, then user can make the further data or graphic analysis by themselves.
  • SD card capacity: 1 GB to 16 GB.
  • LCD with green light backlight, easy reading.
  • Can default auto power off or manual power off.
  • Data hold, record max. and min. reading.
  • Microcomputer circuit, high accuracy.
  • Power by UM3/AA (1.5 V) x 6 batteries or DC 9V adapter.
  • RS232/USB PC COMPUTER interface.
  • Heavy duty & compact housing case.

Specifications

Specifications
CircuitCustom one-chip of microprocessor LSI; circuit.
DisplayLCD size : 52 mm x 38 mm; LCD with green backlight ( ON/OFF ).
Measurement Range30 - 130 dB.
Resolution0.1dB.
FunctiondB ( A & C frequency weighting ); Time weighting ( Fast, Slow ); Peak hold, Data hold; Record ( Max., Min. ).
AccuracyCharacteristics of " A " frequency weighting network meet IEC 61672-1-2013 class 2.; Under 94 dB input signal, the accuracy are: 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 NetworkCharacteristics 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 holdTo freeze the measurement value. SW-U801-WIN.
Peak holdTo keep the peak ( max. ) measurement value
Time weightingFast - t= 125 ms; * "Fast" range is simulated the human ear; response time weighting.; Slow - t = 1 Sec.; * "Slow" range is easy to get the average; values of vibration sound level.
Range selectorAuto 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.
Frequency31.5 to 8,000 Hz.
Microphone typeElectric condenser microphone.
Microphone sizeOut size, 12.7 mm DIA. ( 1/2 inch).
Calibration VRBuild in external calibration VR, easy to; calibrate on 94 dB level by screw driver.; * Calibrated via external SOUND CALIBRATOR ( SC-941, optional ).
CalibratorB & K (Bruel & kjaer), MULTIFUNCTION ACOUSTIC CALIBRATOR 4226.
Datalogger Sampling Time Setting rangeAuto 1, 2, 5, 10, 30, 60, 120, 300, 600, 1800, 3600 seconds; @ set 1 sec. 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 CardSD 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 IndicationShow " - - - - ".
Data HoldFreeze the display reading.
Memory RecallMaximum & Minimum value.
Sampling Time of DisplayApprox. 1 second.
Data OutputRS 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 outputAC 0.5 Vrms corresponding to each; range step.; * Output impedance : 600 ohm.
Power offAuto shut off ( approx.10 Minutes ) saves; Battery life or manual off by push button.
Operating Temperature0 to 50 °C.
Operating HumidityLess 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 CurrentNormal 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 31 mA.; * if LCD backlight on, the power consumption will increase approx. 8 mA.
Weight320 g/0.7 LB.(without battery)
Dimension245 x 68 x 45 mm.( 9.6 x 2.7x 1.9 inch ).
Accessories
Supplied withInstruction manual: 1PC
Optional* Sound calibrator ( 94 dB ), SC-941.; * Sound calibrator ( 94/114 dB ), SC-942.; * Sound wind shield ball, SB-01; * SD Card; * USB cable, USB-01.; * RS232 cable, UPCB-02.; * Data Acquisition software, SW-E816.; * AC to DC 9V adapter.; * Soft carrying case, CA-05A.; * Hard carrying case, CA-06.

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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