PCE Instruments PCE-322-SC43 Manuale utente

SOUND LEVEL METER

INSTRUCTION MANUAL

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:

⚫Environment conditions

① Altitude lower than 2000 meters

② Relatively humidity ≤90％RH

③ Operation Ambient 0 ~ 40°C

⚫Maintenance & Clearing

① Repair or servicing not covered in this manual

should be performed by qualified personnel.

② Periodically wipe the case with a dry cloth. Do not

use solvents or harsh chemicals on this

instrument.

⚫ Safety symbols

Comply with EMC

2.FUNCTIONS DESCRIPTION

This Sound Level Meter is designed for noise project;

quality control; illness prevention and cure and all kinds of

environmental sounds measurement. It is applied to the

sounds measurement at factory; school; office; traffic

access and household, etc.

⚫This unit confirms to the IEC61672-1 CLASS2 for

Sound Level Meters.

⚫MAX & MIN measurements

⚫Over range display

⚫Under range display

⚫A & C Weighting

⚫FAST & SLOW response

⚫Analog AC/DC outputs for connection to frequency

analyzer or X-Y shaft recorder

3. SPECIFICATION

Standard applied: IEC61672 -1 CLASS2

Accuracy:±1.4dB

Frequency range:31.5HZ ~ 8KHZ

Dynamic range:50dB

Memory:32700

Level ranges: LO:30dB~80dB

Med:50dB~100dB

Hi:80dB~130dB

Auto:30dB~130dB

Frequency weighting: A/C

Time weighting: FAST ( 125ms ), SLOW ( 1s )

Microphone: 1/2 inch electret condenser microphone

Display: 4 digits LCD display with a resolution of 0.1dB

Display Update: 2 times/sec.

MAX hold: Hold the Maximum reading

MIN hold: Hold the Minimum reading

HOLD: Hold the readings

Alarm function: “OVER” is when input is more than upper

limit of range “UNDER” is when input is

less than lower limit of range.

Analog output: AC/DC outputs from earphone outlet

AC=1Vrms ,DC=10mV/dB

Data output: USB data traffic

Auto power off: Meter automatically shuts down after

approx. 15 minutes of inactivity.

Power supply: One 9V battery, 006P or NEDA1604 or IEC

6F22.

Power life: About 30hours

Operation temperature and humidity:

0°C~40°C,10％RH~90％RH

Storage temperature and temperature:

-10°C ~+60°C，10％RH~75％RH

Dimension: 280 (L) x 95 (W) x 45 (H) mm

Weight : 329 g

Accessories: Instruction manual, battery, screwdriver,

3.5mm dia. earphone plug, windscreen,

software, USB cable.

4.NAME AND FUNCTIONS

When you measure at wind velocities of >10m/ s, use the

wind protection on the microphone.

1. Rec

2. Setup

3. Backlight

4. Fast/Slow

5. A / C

6. Max / Min

7. Hold

8. Level

9. Power

10. 9 VDC power supply / mini USB interface / analogue

output / calibration screw

MAX: Maximum indication

MIN: Minimum indication

OVER: Out of range indication (value too high)

UNDER: Out of range indication (value too low)

FAST: Fast response

SLOW: Slow response

dBA: A-weighting

dBC: C-weighting

88 – 188 : Range selection

Battery indicator:Battery low

FULL: Memory full

REC: Data are recorded

Auto Power On/Off

„Setup“ key activated / deactivated

„REC“ button

DATALOGGER function

Press “REC” button after it power on, the display will show

“REC” to start Data Recording，press the button again to exit

the record (Note: In order to avoid data error, please don’t

power it off under REC condition, when the REC function is

deleted then it can power off).

Adjusting DATALOGGER response

Press the button continuously before power it on，then

press ,it will be displayed as following: Press ’LEVEL’

button to adjust sample time, press ‘HOLD’ button to hold the

setup.

Data zero function

Press the “REC” button continuously before power it on，

loosen the

button when the display showing’CLR’ after the meter

power on,which indicates that the data in DATALOGGER has

been deleted.

“SETUP” button

The time chip adjustment

Press‘SETUP’button and then power it on，when‘TIME’

symbol displays then loosen‘SETUP’， the meter will be

under time adjustment mode，at the time the display will show

the date as following:

Press the‘SETUP’button second time, the display showing：

The display showing “minute” adjustment mode, press

‘LEVEL’ to make the adjustment，press ‘HOLD’ to keep the

setup；

Press the‘SETUP’button third time, the display showing：

The display showing “hour” adjustment mode, press (h-

P=P.M,h-A=A.M)

‘LEVEL’ to make the adjustment，press‘HOLD’to keep the

setup；

Press the‘SETUP’button fourth time, the display showing

The display showing “date” adjustment mode, press

‘LEVEL’ to make the adjustment，press ’HOLD’ to keep the

setup；

Press the ‘SETUP’ button fifth time, the display showing：

The display showing “month” adjustment mode, press

‘LEVEL’ to make the adjustment，press ‘HOLD’ to keep the

setup；

Press the ‘SETUP’ button sixth time, the display showing：

The display showing “year” adjustment mode, press

‘LEVEL’ to make the adjustment，press ‘HOLD’ to keep the

setup；

Only if you need to factory reset the “TIME” should the

following seventh step be used. Press “POWER” to end setup

and restart to verify settings.

Press the ’SETUP’ button seventh time to reset to factory

settings, the display showing:

Press ‘HOLD’ to keep the setup；time and date have returned

to factory setup.

When the battery is exhausted or replaced, if the time can’t

be adjusted then please initialize the time chip first.

USB communications setting:

Turn on the meter, connect the meter with the computer

correctly, choose the software COM3（COM4）,then press

‘SETUP’ , ‘ ‘ disappears from the display to indicate and

disable auto power off, that the USB data is transmitting.

Auto Power ON/OFF

Press ‘SETUP’ , ‘ ‘ disappears from the display to indicate

you have disabled auto power off.

“FAST/SLOW” button:

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