PCE Instruments PCE-322A Manual de usuario

Decibel Meter

PCE-322A

INSTRUCTION MANUAL

PCE Americas Inc.

711 Commerce Way

Suite 8

Jupiter

FL-33458

USA

From outside US: +1

Tel: (561) 320-9162

Fax: (561) 320-9176

[email protected]

www.pce-instruments.com/english

www.pce-instruments.com

PCE Instruments UK Ltd.

Units 12/13

Southpoint Business Park

Ensign way

Hampshire / Southampton

United Kingdom, SO31 4RF

From outside UK: +44

Tel: (0) 2380 98703 0

Fax: (0) 2380 98703 9

[email protected]

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

①Altitude lower than 2000 meters

②Relatively humidity ≤90％RH

③Operation Ambient 0 ~ 40°C

Maintenance & Clearing

①Repair or servicing not covered in this manual

should be performed by qualified personnel.

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

use solvents or eradicator 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: 278 (L) x 76 (W) x 50(H) mm

Weight : 350g

Accessories : Instruction manual, battery, screwdriver,

￠3.5mm earphone plug, windscreen,

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

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 indication:Battery low

FULL: Memory full

REC: Data are recorded

Auto Power 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 memory 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；

Press the ’SETUP’button seventh time, the display showing:

The display showing initialization of the time chip，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.

“FAST/SLOW” button:

Time weighting selection

FAST: st sampling measurement, 1 time per 125mS.

SLOW:Slow sampling measurement, 1 time per second.

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