Center 390 Bedienungsanleitung

390

Data Logger

SOUND LEVEL METER

SE-390

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 (From Auto Store) …………….8

6.3 Manual store …...……………………………………….8

6.4 Reading Stored Data (From Manual Store )……...… 8

6.5 Clearing Stored Data (From Manual Store)………….8

7. SETTING THE DATA AND TIME………………………… 9

8. CALIBRATION PROCEDURES….………………………..9

9. MEASUREMENT PREPARATION………….………......10

10. OPERATING PRECAUTIONS………………………….10

11. MEASUREMENT………….……………………………..11

12. SETUP TestLink SE-309……………………..…...........12

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 ~ 40°C

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 PC

interface. Recorded data can be further processed on a computer.

3. FEATURE

Complies with IEC 61672-1 class 2 standard

3,100 Records Data Logger

Manual reading recording memory(99 points)

LCD recording readout (99 memory recording )

PC Interface

Sound Level Meter

With Windows software

AC/DC Signal Output

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: 50 segment bargraph

Resolution: 2dB

Display Update: 50 mS

Time weighting: FAST (125mS), SLOW (1 sec.)

Accuracy: ±1.4dB ( under reference conditions @ 94dB, 1KHz )

Dynamic range: 100 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: 31,000 records

MAX/MIN hold: Hold readings the Maximum and Minimum Value.

AC output:1VrmsatFS(fullscale).

DC output: 10mV / dB

Power supply: Four IEC LR6P (AA-size) batteries

Power life: About 30hrs ( alkaline battery )

Power consumption: Approx. 0.3W

AC adapter: Voltage 9 VDC ( 8-10VDC Max )

Operation temperature : 0 to 40°C ( 32 to 104°F )

Operation humidity: 10 to 90%RH

Storage temperature : -10 to 60°C ( 14 to 140°F )

Storage humidity: 10 to 75%RH

Dimensions: 272(L)×83(W)×42(H)mm; 10.7(L)×3.3(W)×1.6(H)inch

Sound Level Meter

Weight: 390g ( including battery )

Accessories: 1.5V battery X 4pcs, carrying case, Screwdriver, Instruction

manual, Windscreen, 3.5φplug, software, USB Cable.

Option: AC Adapter, Microphone Extension Cables (5m or 10m length).

5. NAME AND FUNCTIONS

Sound Level Meter

Display Screen:

SYMBOL FUNCTION

Battery capacity indicator

Auto power off indicator

Maximum/Minimum indicator

Time weighting indicator

Level range indicator

Bar graph

Manual store indicator

Time

Memory address

Recall indicator

Frequency weighting indicator

Level reading

Date

Over-range signal indicator

Memory full

Recording datalogger indicator

Under-range signal indicator

Sound Level Meter

○

1Power button:

Press the button to turn the unit on. To turn the unit off, press and hold

button down until the “P-OFF “ is shown.

Auto Power Off.

To save battery life, by default, when the unit is powered on, it is under auto

power off mode.

The unit will power itself off after 30 minutes if no key operation.

Auto power off will be disable under the following 2 circumstances.

(1) When connecting to PC.

(2) When recording function is on process.

Disabled Auto Power Off.

Press and hold the button and then power on the unit. Keep holding

button, until the meter starts function. Make sure the auto power off

symbol disappears from display screen.

Note: When the user powers it on, the LCD will show how much internal

memory space is available to use.

○

2RECALL button:

Serves to recall data from the manual store.

○

3REC button:

When press the button, the unit will start recording, and the “ ”symbol

display. To stop recording press again button.

○

4MEM button:

Press to store measurement data using manual store.

○

5/button:

Press or to increase or decrease number.

○

6CLOCK button:

(1) Press the button to turn Date and Time display ON or OFF.

(2) Press and hold button at least 2 seconds Setting the Date and

Time.

○

7INTV button:

Adjust auto store Interval time.

Sound Level Meter

○

8MAX/MINbutton:

Press button to enter the maximum and minimum recording mode.

Under this mode, the maximum value and minimum value will be stored and

automatically updated in the memory simultaneously.

Pressing the button will display the “ ” symbol and the Maximum

value on the display. Pressing button again will display the “ ”

symbol indicator and the Minimum value on the display.

Pressing button again will cause the maximum and minimum indicators

to blink together. Which means the meter is under maximum and minimum

recording mode. The value displays on the screen is the present value.

To exit the maximum and minimum mode, press and hold button down

until the “ ” symbol is disappears.

○

9Back light button:

Press it to turn on the LCD backlight, making it easier to read in dark

environment.

Press it again to turn OFF backlight. The backlight will turn itself off

automatically after 30 seconds.

○

10 A/C button:

Sets frequency weighting to A or C.

○

11 FAST/SLOW button:

Sets the time weighting to Fast or Slow.

○

12 Microphone:

1/2 inch Electret Condenser microphone.

○

13 CAL potentiometer:

Calibration control, for level calibration adjustment.

○

14 Connection to a Computer:

The PC jack signal output is a 9600 bps N 8 1 serial interface. Using the

accessory RS-232/USB interface cable.

Sound Level Meter

DC Signal

AC Signal Ground

○

15 AC/DC signal output jack:

Connect the AC/DC output on the bottom of the unit to the level recorder.

AC: 1 Vrms Corresponding to 130dB.(with frequency weighting)

DC: Output: 10mV/dB

○

16 External DC 9V power supply jack:

Connect the AC adapter.

○

17 Tripod mounting thread:

For long-term measurements, the unit can be mounted on a camera tripod.

Proceed carefully, to avoid dropping the unit

○

18 Battery Compartment.

6. DATA LOGGER & INTERVAL SETUP

How to store data in memory and how to recall data from memory.

There are two different ways of storing data.

6.1 Auto store:

Auto store Interval time setup:

(1) Press button, “ Int ” appears for interval, as well as a flashing second

display.

(2) Now set the desired recording interval in minutes and seconds. Press

or to increase or decrease number, Max 1 minute can be set. The

minimum value is limited to “00:01”(=1s). After setting has been performed,

actuate the press button once, to get back to the display of the

instantaneously measured values. If you want abort during a setup process,

press button to cancel.

When one presses the button starts saving the measured values .The

values are stored in a memory location. Press button again will stop

recording.

Note: During recording period, most of the buttons such as

the , , , , are inoperative. All other settings must

be made before starting the record operation.

LCD will show FULL symbol when 31000 recorders are stored in memory.

Sound Level Meter

6.2 Clearing Stored Data (From Auto Store):

If you want to clear the memory, power off the

unit, then press and hold button and then

press button and hold at least 5 seconds,

then LCD will show "CLr" and “SURE” to clear

the memory.

6.3 Manual store:

Press the button to store measurement data using manual store.

Up to 99 data sets can be stored in the internal memory.

6.4 Reading Stored Data ( From Manual Store ):

(1) Press the button. The “ ” symbol appears.

(2) Press the or buttons to select the data number in which the data

were stored. The data are shown on the LCD. When there are no data in a

number the LCD shows “ 00 ”

(3) To terminate the recall mode, press the button once more.

Note:

The battery indicator “ ” shows the remaining

battery power. The number of black bar

decreases as the battery running out. When the

power is almost empty, “ ” will disappear.

Press or button, LCD display will show

“ Lo bat ” warning indication. If the meter is

under record mode, it will stop.

6.5 Clearing Stored Data (From Manual Store):

If you want to clear the memory, power off the

unit, then press and hold button and then

press button and hold at least 5 seconds,

then LCD will show “ CLr ” and “ SURE ” to

clear the memory.

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