Lutron SL-4023SD – Sound Level Meter with SD Card Datalogger

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.

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 Temperature

0 to 50 °C.

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.

* ADC 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.

* AIf 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
• *  SDCard(1GB)
• *  SDCard(2GB)
• *  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.