Lutron Electronics SL-4023SD User Manual

SD card real time data Recorder, USB/RS232
SOUND LEVEL METER
Model : SL-4023SD
Your purchase of this
SOUND LEVEL METE
R
with SD CARD DATA
RECORDER marks a
step forward for you
into the field of
precision measurement.
Althou
g
h this METER is
a complex and delicate
instrument, its durable
structure will allow
many years of use if
proper operatin
g
techniques are
developed. Please read
the followin
g
instructions carefully
and always keep this
manual within easy
reach.
OPERATION MANUAL

Lutron Electronics SL-4023SD Specifications

General

Model	SL-4023SD
Category	Measuring Instruments
Manufacturer	Lutron Electronics
Type	Sound Level Meter
Frequency Range	31.5 Hz to 8 kHz
Measuring Range	30 to 130 dB
Resolution	0.1 dB
Accuracy	±1.4 dB
Microphone	1/2 inch Electret Condenser microphone
Data Logging	Yes
Display	LCD
Power Supply	9V battery
Weighting Networks	A and C
Time Weighting	Fast and Slow

Summary

Front Panel Description and Components

Front Panel Components Overview

Details the display, buttons, microphone, ports, and other physical features on the instrument's front panel.

Measuring Procedure

Sound Level Meter Operation

Steps for powering on, selecting weighting, and setting measurement range for sound level.

Data Hold and Record Functions

How to freeze measured values and record maximum/minimum readings during measurements.

LCD Backlight Control

Instructions for turning the LCD backlight on and off during measurements.

Datalogger Functions

Datalogger Preparation and Formatting

Steps to prepare the SD card, including insertion and formatting, before using the datalogger.

Auto and Manual Datalogger Modes

Guide on starting, pausing, and finishing automatic and manual data logging processes.

Data Retrieval and SD Card Structure

How to check time/sampling information and understand the SD card's folder and file structure.

Saving Data to Computer

Data Transfer to Computer

Steps to transfer logged data from the SD card to a computer using Excel software for analysis.

Advanced Settings

Clock and Decimal Point Settings

Procedure to set the internal clock time and select the decimal point format for SD card data.

Power Management and Beeper Settings

Configure auto power-off and audible beep sound ON/OFF settings.

Sampling Time and SD Card Formatting

Adjusts the data sampling interval and provides instructions for formatting the SD memory card.

Power Supply Options

Using DC Power Adapter

Guide on connecting and using the optional DC 9V power adapter for continuous operation.

Battery Management

Replacing Batteries

Instructions on how to replace the device's batteries when the low battery indicator appears.

PC Connectivity

RS232 Connection and Data Format

Details on connecting the meter to a PC via RS232 and the format of the data stream.

Calibration and Characteristics

Calibration Procedure

Step-by-step guide on how to calibrate the sound level meter using a sound calibrator.

Frequency Weighting Data

Presents technical data on frequency weighting characteristics for A and C networks.

Time Weighting Data

Provides technical data on time weighting characteristics for Fast and Slow modes.

Patent Information

Patent Information by Country

Lists countries where the meter's SD card structure has obtained or is pending patent.