Reed Instruments R8050 Manuel utilisateur

Sound Level

Meter

Instruction

Manual

R8050

REED Ins t r ume nt s

1-877-849-2127 |info@reedinstruments.com |www.reedinstruments.com

T a b le o f Co n te n ts

Introduction ................................................................................................2

ProductQuality...........................................................................................3

Safety .........................................................................................................3

Features......................................................................................................3

Included......................................................................................................3

Specications.............................................................................................4

InstrumentDescription ...............................................................................5

Display Description ....................................................................................6

MeasurementConsiderations ....................................................................6

Operating Instructions................................................................................7

MAX Ho ld .............................................................................................. 7

Da ta Ho ld............................................................................................... 7

Calibration Procedure.................................................................................8

Battery Replacement..................................................................................9

Accessories and ReplacementParts .........................................................9

Applications................................................................................................9

ProductCare ............................................................................................10

ProductWarranty .....................................................................................10

ProductDisposaland Recycling ..............................................................10

ProductSupport.......................................................................................11

In tr o d u c tio n

Thank you forpurchasing yourREED R8050 Sound LevelMeter.Please

read the following instructions carefully before using yourinstrument.By

following the steps outlined in this manualyourmeterwillprovide years of

reliable service.

REED Ins t r ume nt s

1-877-849-2127 |info@reedinstruments.com |www.reedinstruments.com

Pr o d u c t Qu a lity

This producthas been manufactured in an ISO 9001 facility and has

been calibrated during the manufacturing process to meetstated product

specications.Ifa certicate ofcalibration is required please contactthe

nearestauthorized REED distributororauthorized Service Center.Please

note an additionalfee forthis service willapply.

Sa fe ty

Neverattemptto repairormodify yourinstrument.Dismantling your

product,otherthan forthe purpose ofreplacing batteries,may cause

damage thatwillnotbe covered underthe manufacturer's warranty.

Servicing should only be provided by an authorized service center.

F e a tu r e s

• High accuracy of±1.4dB meets Type 2 standards

• Dualrange measurement(High and Low)

• A & C frequency weighting

•Fast& Slow time weighting

• Easy-to-read backlitLCD display

• Data hold and Max hold functions

• Tripod mountforlong-term monitoring

• Low battery indicatorand auto shutoff

In c lu d e d

• Microphone Windshield Ball

• Battery

•Carrying Case

REED Ins t r ume nt s

1-877-849-2127 |info@reedinstruments.com |www.reedinstruments.com

Sp e c ific a tio n s

Measuring Ranges: 30 to 130dB

Low:30 to 100dB

High:60 to 130dB

Dynamic Range: 70dB (In Each Range)

Accuracy: ±1.4dB

Resolution: 0.1dB

Response Time: 500mS

Frequency Range: 31.5Hz to 8kHz

Frequency Weighting: A,C

Time Weighting: Fast/Slow (125ms and 1s)

Microphone: 0.5" (12.7mm)ElectretCondenser

Display: 4-DigitLCD

BacklitDisplay: Yes

Data Hold: Yes

Max: Yes

Alarm Indicators: Over(VisualOn-Screen)

Auto Shut-off: Yes (After15 minutes)

Tripod Mountable: Yes

Low Battery Indicator: Yes

PowerSupply: 1 x 9V Battery

Battery Life: Approximately 50 hours

ProductCertications: CE,IEC 61672-1 Class 2,ANSIS1.4-1983

Operating Temperature: 32 to 104°F (0 to 40°C)

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

Operating Humidity: 10 to 90%

Dimensions: 8.3 x 2.2 x 1.3" (210 x 55 x 32mm)

Weight: 8.1oz (230g)

REED Ins t r ume nt s

1-877-849-2127 |info@reedinstruments.com |www.reedinstruments.com

In s tru me n t De s c rip tio n

1. Windscreen

2. Display

3. PowerButton

4. BacklightButton

5. Frequency Weighting Button

6. Time Weighting Button

7. LevelRange Button

8. MAX/HOLD Button

9. Microphone

10.Battery Cover

REED Ins t r ume nt s

1-877-849-2127 |info@reedinstruments.com |www.reedinstruments.com

Dis p la y De s c rip tio n

1. MAX Value Indicator

2. Data Hold Indicator

3. FastWeighting Indicator

4. Slow Weighting Indicator

5. Hi/Lo Range Indicator

Me a s u r e me n t Co n s id e ra tio n s

• Directcontactwith strong winds orblowing airon the microphone may

cause measurementerrors.These effects can be reduced by using the

included windscreen.

• Calibrate the instrumentbefore operation ifthe instrumenthas notbeen

in use fora long period oftime orwas lastoperated under

extreme conditions.

• Do notstore oroperate the instrumentin high temperature and high

humidity environments.

• Keep microphone dry and avoid severe vibrations.

• When notin use,remove the battery and store the instrumentin a low

humidity environment.

23 6

dBA

dBC

OVER

MAX HOLD FAST SLOW Hi Lo BAT

6. Low Battery Indicator

7. Measured dB Value

8. Frequency Weighting Indicator

9. OverRange Indicator

REED Ins t r ume nt s

1-877-849-2127 |info@reedinstruments.com |www.reedinstruments.com

Op e r a tin g In s tru c tio n s

1. Turn the meteron oroffby pressing the PowerButton.

2. Press the Time Weighting Button to selectthe desired Response

Time.Ifthe sound source consists ofshortbursts,setthe response

to FAST (125ms).To measure average sound level,selectSLOW (1s).

3. Press the Frequency Weighting Button to selectthe Frequency.

Select"A" Weighting fora generalnoise sound level,or"C"

Weighting formeasuring high levelnoise."C" Weighting is a standard

weighting ofthe audible frequencies commonly used forthe

measurementofPeak Sound Pressure Level.Ifthe "C" Weighted

levelis much higherthan the "A" Weighted level,then there willbe a

large amountoflow-frequency noise.

4. Press the Hi/Lo button to selectthe appropriate range.Ifthe noise

environmentundertestis between 30 to 100dB,use the 'Lo'range.If

the noise environmentundertestis between 65 and 130dB,use the

'Hi'range.Fora noise environmentundertestthatis between 65 and

100dB,eitherrange can be used.Ifthe display ashes the "OVER"

icon,press the range button to adjustthe range.

5. Hold the instrumentcomfortably in one hand (away from yourbody)

orposition iton a tripod forlong-term monitoring.Pointthe

microphone in the direction ofthe noise to take a measurement.

M AX Hold

Press the MAX/HOLD button to display the Maximum sound levelvalues

recorded during the measurementprocess.While in this mode,the meter

willonly refresh the reading when a highermeasurementthan the one

currently displayed is detected.Press the MAX/HOLD button again to exit

and resume normaloperation.

Dat a Hold

To freeze a displayed reading during the measurementprocess,press and

hold the MAX/HOLD button untilboth the MAX and HOLD icons appear

on the display.To resume normaloperation,press and hold the MAX/

HOLD button untilthe MAX and HOLD icons disappear.

REED Ins t r ume nt s

1-877-849-2127 |info@reedinstruments.com |www.reedinstruments.com

Ca lib ra tio n Pr o c e d u re

To calibrate the REED R8050,an externalcalibratorthatcan provide a

94.0dB signalat1kHz (REED R8090)and a smallscrew-driverare

required.Follow the steps below to calibrate the instrument.

1. Open the battery compartment

and locate the two calibration

potentiometers behind the 9V

battery (see diagram).

2. Turn the meterON

3. Select'C'weighting mode

4. Select'FAST'response mode

5. Place the REED R8050 micro-

phone into the calibrator.Set

the calibratorto output94dB

6. Selectthe LOW range

7. Adjustthe 'C (Lo)'

potentiometerfora display

of94.0dB

8. Selectthe HIGH range

9. Adjustthe 'C (HI)'potentiometer

fora display of94.0dB

10. Setthe calibratorto output

114dB and verify measurement

OFF

94dB 114dB

(1KHz)

IEC 942 CLASS2

R8090

Soun d Lev el Cali br ato r

R8050

REED Ins t r ume nt s

1-877-849-2127 |info@reedinstruments.com |www.reedinstruments.com

Ba tte r y Re p la c e me n t

When the "BAT" icon appears on the LCD,the battery should be replaced.

1. Remove the screw with a phillips screwdriverand open the

battery cover.

2. Replace the 9V battery.

3. Place the battery coverback and tighten the screw.

Ac c e s s o rie s a n d Re p la c e me n t Pa r ts

• REED-WB ReplacementWindshield Ball

• R8090 Sound LevelCalibrator

• R1500 Tripod

• CA-05A SoftCarrying Case

• R8888 Deluxe Hard Carrying Case

Don'tsee yourpartlisted here? Fora complete listofallaccessories and

replacementparts visityourproductpage on www.reedinstruments.com.

Ap p lic a tio n s

• Preventative Maintenance

• IndustrialMachinery/Equipment

• Construction Sites

• Ensuring Safe Working Conditions

• Public Venues /Concerts

• Code Enforcement

• Trafc

• Appliance Noise Testing

REED Ins t r ume nt s

1-877-849-2127 |info@reedinstruments.com |www.reedinstruments.com

Pr o d u c t Ca r e

To keep yourinstrumentin good working orderwe recommend the following:

• Store yourproductin a clean,dry place.

• Change the battery as needed.

• Ifyourinstrumentisn'tbeing used fora period ofone month orlonger

please remove the battery.

• Clean yourproductand accessories with biodegradable cleaner.Do not

spray the cleanerdirectly on the instrument.Use on externalparts only.

Pr o d u c t Wa r ra n ty

REED Instruments guarantees this instrumentto be free ofdefects in

materialorworkmanship fora period ofone (1)yearfrom date ofshipment.

During the warranty period,REED Instruments willrepairorreplace,atno

charge,products orparts ofa productthatproves to be defective because

ofimpropermaterialorworkmanship,undernormaluse and maintenance.

REED Instruments totalliability is limited to repairorreplacementofthe

product.REED Instruments shallnotbe liable fordamages to goods,

property,orpersons due to improperuse orthrough attempts to utilize the

instrumentunderconditions which exceed the designed capabilities.In

orderto begin the warranty service process,please contactus by phone at

1-877-849-2127 orby emailatinfo@reedinstruments.com to discuss the

claim and determine the appropriate steps to process the warranty.

Pr o d u c t Dis p o s a l a n d Re c y c lin g

Please follow locallaws and regulations when disposing orrecycling your

instrument.Yourproductcontains electronic components and mustbe

disposed ofseparately from standard waste products.

REED Ins t r ume nt s

1-877-849-2127 |info@reedinstruments.com |www.reedinstruments.com

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