Center SE-323 Instruction Manual
Data Logger
SOUND LEVEL METER
323
SE-323
SE-323
Data Logger
SOUND LEVEL METER
323-00 APR. 2015
CONTENTS
Title Page
1. SAFETY INFORMATION………..………..………………..1
2. GENERAL DESCRIPTION ……………………..……...….1
3. FEATURE ………………………………………………...... 1
4. SPECIFICATIONS ..…………………..…………………....2
5. NAME AND FUNCTIONS ..………….……………............3
Display screen………………………………………………. 4
6. DATA LOGGER & INTERVAL SETUP……………….….. 7
6.1 Auto store ……………………………………………..... 7
6.2 Clearing Stored Data …………………….……………. 8
7. SETTING THE DATE AND TIME………………………… 8
8. CALIBRATION PROCEDURES….………………………..9
9. MEASUREMENT PREPARATION………….………........ 9
10. OPERATING PRECAUTIONS…………………………. 10
11. MEASUREMENT………….…………………………….. 11
12. SETUP SE-323………………………………..…........... 11
Sound Level Meter
1. SAFETY INFORMATION
Read the following safety information carefully before attempting to operate or
service the meter.
Use the meter only as specified in this manual; otherwise, the protection
provided by the meter may be impaired.
Environment conditions
Altitude up to 2000 meters
Relatively humidity 90% max.
Operation Ambient 0 ~ 40C
Maintenance & Clearing
Repairs or servicing not covered in this manual should only be performed by
qualified personnel.
Periodically wipe the case with a dry cloth. Do not use abrasives or solvents
on this instrument.
Safety symbols
Comply with EMC
When servicing, use only specified replacement parts.
2. GENERAL DESCRIPTION
Thank you for using our Data Logger Sound Level Meter. To ensure that you
can get the most from it, we recommend that you read and follow the manual
carefully before use.
Measurement settings and results (level values and bar graph) are shown on
the backlit LCD panel.
Data can be stored in the meter or directly saved on a computer through USB
interface. Recorded data can be further processed on a computer.
3. FEATURE
Complies with IEC 61672-1 class 2 standard
64,000 Records Data Logger
USB Interface
With Windows software
AC/DC signal output
1
Sound Level Meter
4. SPECIFICATIONS
Standard applied: IEC61672-1 Class 2, ANSI S1.4 Type2.
Frequency range: 20Hz ~ 8KHz
Measuring level range: 30 ~ 130dB
Frequency weighting: A / C
Microphone: 1/2 inch electret condenser microphone
Display: Liquid Crystal Display
Digital display: 4 digits
Resolution: 0.1dB
Display Update: 0.5 sec.
Analog display: 30 segment bargraph
Resolution: 2dB
Display Update: 50 mS
Time weighting: FAST , SLOW
Level ranges: Lo : 30 – 90 dB
Med : 50 – 110 dB
Hi
: 70 – 130 dB
Auto : 30 – 130 dB
Accuracy: ±1.4dB ( under reference conditions @ 94dB, 1KHz )
Dynamic range: 60 dB
Alarm function: “OVER” is when input is more than upper limit of range.
“ UNDER ” is when input is Less than lower limit of range.
Data logging Capacity: 64,000 records
AC output: 1 Vrms at FS ( full scale )
( FS︰means the upper limit of each level range.)
DC output: 10mV / dB
Power supply: 4 AAA,NEDA 24A, IEC LR03 batteries
Power life: About 24hrs ( alkaline battery )
Power consumption: Approx. 0.2W
External power supply: 5 V
Operation temperature: 0 to 40C ( 32 to 104F )
Operation humidity: 10 to 90%RH
Storage temperature: -10 to 60C ( 14 to 140F )
Storage humidity: 10 to 75%RH
Dimensions: 264(L)×63(W)×29(H)mm; 10.4(L)×2.5(W)×1.1(H)inch
DC ( micro USB plug)
2
Weight: 245g ( including battery )
Accessories: 1.5V battery X 4pcs, carrying case, Instruction manual,
Windscreen, 3.5 plug, software, USB Cable.
Option: Microphone Extension Cables (5m or 10m length).
5. NAME AND FUNCTIONS
Sound Level Meter
3
Display Screen:
SYMBOL FUNCTION
Sound Level Meter
Battery capacity indicator
Auto power off indicator
Maximum/Minimum indicator
Time weighting indicator
Level range indicator
Bar graph
Time
Frequency weighting indicator
Level reading
Date
Over-range signal indicator
Memory full
Recording datalogger indicator
Under-range signal indicator
4
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