Reed Instruments R8050 Manuale utente
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Sound Level
Meter
Instruction
Manual
R8050
2
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Table of Contents
Introduction ................................................................................................ 2
Product Quality........................................................................................... 3
Safety ......................................................................................................... 3
Features...................................................................................................... 3
Included...................................................................................................... 3
Specications............................................................................................. 4
Instrument Description ............................................................................... 5
Display Description .................................................................................... 6
Measurement Considerations .................................................................... 6
Operating Instructions................................................................................ 7
MAX Hold .............................................................................................. 7
Data Hold............................................................................................... 7
Calibration Procedure................................................................................. 8
Battery Replacement.................................................................................. 9
Accessories and Replacement Parts ......................................................... 9
Applications................................................................................................ 9
Product Care ............................................................................................ 10
Product Warranty ..................................................................................... 10
Product Disposal and Recycling .............................................................. 10
Product Support....................................................................................... 11
Introduction
Thank you for purchasing your REED R8050 Sound Level Meter. Please
read the following instructions carefully before using your instrument. By
following the steps outlined in this manual your meter will provide years of
reliable service.
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Product Quality
This product has been manufactured in an ISO 9001 facility and has
been calibrated during the manufacturing process to meet stated product
specications. If a certicate of calibration is required please contact the
nearest authorized REED distributor or authorized Service Center. Please
note an additional fee for this service will apply.
Safety
Never attempt to repair or modify your instrument. Dismantling your
product, other than for the purpose of replacing batteries, may cause
damage that will not be covered under the manufacturer's warranty.
Servicing should only be provided by an authorized service center.
Features
• Highaccuracyof±1.4dBmeetsType2standards
• Dualrangemeasurement(HighandLow)
• A&Cfrequencyweighting
• Fast&Slowtimeweighting
• Easy-to-readbacklitLCDdisplay
• DataholdandMaxholdfunctions
• Tripodmountforlong-termmonitoring
• Lowbatteryindicatorandautoshutoff
Included
• MicrophoneWindshieldBall
• Battery
• CarryingCase
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Specifications
Measuring Ranges: 30 to 130dB
Low: 30 to 100dB
High:60to130dB
DynamicRange: 70dB(InEachRange)
Accuracy: ±1.4dB
Resolution: 0.1dB
Response Time: 500mS
FrequencyRange: 31.5Hzto8kHz
Frequency Weighting: A, C
TimeWeighting: Fast/Slow(125msand1s)
Microphone: 0.5"(12.7mm)ElectretCondenser
Display: 4-DigitLCD
Backlit Display: Yes
DataHold: Yes
Max: Yes
AlarmIndicators: Over(VisualOn-Screen)
AutoShut-off: Yes(After15minutes)
Tripod Mountable: Yes
Low Battery Indicator: Yes
PowerSupply: 1x9VBattery
BatteryLife: Approximately50hours
ProductCertications: CE,IEC61672-1Class2,ANSIS1.4-1983
OperatingTemperature: 32to104°F(0to40°C)
StorageTemperature: 14to140°F(-10to60°C)
OperatingHumidity: 10to90%
Dimensions: 8.3x2.2x1.3"(210x55x32mm)
Weight: 8.1oz(230g)
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Instrument Description
1. Windscreen
2. Display
3. Power Button
4. Backlight Button
5. Frequency Weighting Button
6. Time Weighting Button
7. Level Range Button
8. MAX/HOLDButton
9. Microphone
10. Battery Cover
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Display Description
1. MAXValueIndicator
2. DataHoldIndicator
3. Fast Weighting Indicator
4. Slow Weighting Indicator
5. Hi/LoRangeIndicator
Measurement Considerations
• Directcontactwithstrongwindsorblowingaironthemicrophonemay
cause measurement errors. These effects can be reduced by using the
included windscreen.
• Calibratetheinstrumentbeforeoperationiftheinstrumenthasnotbeen
in use for a long period of time or was last operated under
extremeconditions.
• Donotstoreoroperatetheinstrumentinhightemperatureandhigh
humidity environments.
• Keepmicrophonedryandavoidseverevibrations.
• Whennotinuse,removethebatteryandstoretheinstrumentinalow
humidity environment.
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23 6
5
7
8
dBA
dBC
OVER
MAX HOLD FAST SLOW Hi Lo BAT
9
6. Low Battery Indicator
7. MeasureddBValue
8. Frequency Weighting Indicator
9. Over Range Indicator
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Operating Instructions
1. Turn the meter on or off by pressing the Power Button.
2. Press the Time Weighting Button to select the desired Response
Time. If the sound source consists of short bursts, set the response
toFAST(125ms).Tomeasureaveragesoundlevel,selectSLOW(1s).
3. Press the Frequency Weighting Button to select the Frequency.
Select "A" Weighting for a general noise sound level, or "C"
Weighting for measuring high level noise. "C" Weighting is a standard
weighting of the audible frequencies commonly used for the
measurement of Peak Sound Pressure Level. If the "C" Weighted
level is much higher than the "A" Weighted level, then there will be a
largeamountoflow-frequencynoise.
4. Press the Hi/Lo button to select the appropriate range. If the noise
environment under test is between 30 to 100dB, use the 'Lo' range. If
the noise environment under test is between 65 and 130dB, use the
'Hi'range.Foranoiseenvironmentundertestthatisbetween65and
100dB,eitherrangecanbeused.Ifthedisplayashesthe"OVER"
icon, press the range button to adjust the range.
5. Holdtheinstrumentcomfortablyinonehand(awayfromyourbody)
orpositionitonatripodforlong-termmonitoring.Pointthe
microphone in the direction of the noise to take a measurement.
MAX Hold
Press the MAX/HOLDbuttontodisplaytheMaximumsoundlevelvalues
recorded during the measurement process. While in this mode, the meter
will only refresh the reading when a higher measurement than the one
currently displayed is detected. Press the MAX/HOLDbuttonagaintoexit
and resume normal operation.
Data Hold
To freeze a displayed reading during the measurement process, press and
hold the MAX/HOLDbuttonuntilboththeMAXandHOLDiconsappear
on the display. To resume normal operation, press and hold the MAX/
HOLDbuttonuntiltheMAXandHOLDiconsdisappear.
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Calibration Procedure
TocalibratetheREEDR8050,anexternalcalibratorthatcanprovidea
94.0dBsignalat1kHz(REEDR8090)andasmallscrew-driverare
required. Follow the steps below to calibrate the instrument.
1. Open the battery compartment
and locate the two calibration
potentiometersbehindthe9V
battery(seediagram).
2. Turn the meter ON
3. Select 'C' weighting mode
4. Select 'FAST' response mode
5. PlacetheREEDR8050micro-
phone into the calibrator. Set
the calibrator to output 94dB
6. Select the LOW range
7. Adjustthe'C(Lo)'
potentiometer for a display
of 94.0dB
8. SelecttheHIGHrange
9. Adjustthe'C(HI)'potentiometer
for a display of 94.0dB
10. Set the calibrator to output
114dB and verify measurement
OFF
94dB 114dB
(1KHz)
IEC 942 CLASS 2
R8090
Sound Level Calibrator
R8050
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Battery Replacement
When the "BAT" icon appears on the LCD, the battery should be replaced.
1. Remove the screw with a phillips screwdriver and open the
battery cover.
2. Replacethe9Vbattery.
3. Place the battery cover back and tighten the screw.
Accessories and Replacement Parts
• SB-01Replacement Windshield Ball
• R8090Sound Level Calibrator
• R1500Tripod
• CA-05ASoft Carrying Case
• R8888DeluxeHardCarryingCase
Don't see your part listed here? For a complete list of all accessories and
replacement parts visit your product page on www.reedinstruments.com.
Applications
• PreventativeMaintenance
• IndustrialMachinery/Equipment
• ConstructionSites
• EnsuringSafeWorkingConditions
• PublicVenues/Concerts
• CodeEnforcement
• Trafc
• ApplianceNoiseTesting
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Product Care
To keep your instrument in good working order we recommend the following:
• Storeyourproductinaclean,dryplace.
• Changethebatteryasneeded.
• Ifyourinstrumentisn'tbeingusedforaperiodofonemonthorlonger
please remove the battery.
• Cleanyourproductandaccessorieswithbiodegradablecleaner.Donot
spraythecleanerdirectlyontheinstrument.Useonexternalpartsonly.
Product Warranty
REED Instruments guarantees this instrument to be free of defects in
materialorworkmanshipforaperiodofone(1)yearfromdateofshipment.
During the warranty period, REED Instruments will repair or replace, at no
charge, products or parts of a product that proves to be defective because
of improper material or workmanship, under normal use and maintenance.
REED Instruments total liability is limited to repair or replacement of the
product. REED Instruments shall not be liable for damages to goods,
property, or persons due to improper use or through attempts to utilize the
instrumentunderconditionswhichexceedthedesignedcapabilities.In
order to begin the warranty service process, please contact us by phone at
1-877-849-2127orbyemailat[email protected]todiscussthe
claim and determine the appropriate steps to process the warranty.
Product Disposal and Recycling
Please follow local laws and regulations when disposing or recycling your
instrument. Your product contains electronic components and must be
disposed of separately from standard waste products.
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