Reed Instruments R8085 Manuel utilisateur

Noise

Dosimeter

Instruction

Manual

R8085

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Table of Contents

Introduction ................................................................................................ 3

Product Quality........................................................................................... 4

Safety ......................................................................................................... 4

Features...................................................................................................... 4

Specications..........................................................................................5-7

Comparison of Frequency Weightings and Tolerance Limits................. 7

Time Weightings (Fast & Slow) Characteristics...................................... 7

Included...................................................................................................... 7

Instrument Description............................................................................... 8

Display Description .................................................................................... 9

%DOSE.................................................................................................. 9

Sound Pressure Level (SPL)................................................................... 9

Operating Instructions.........................................................................10-11

Power On/Off ....................................................................................... 10

Sound Pressure Level (dBA/dBC Mode).............................................. 10

Data Hold ............................................................................................. 11

Recording Maximum and Minimum Readings..................................... 11

Backlighting ......................................................................................... 11

What is Dose Noise Exposure?...........................................................11-15

Noise Exposure (%DOSE) - Test Duration Mode ............................12-13

Noise Exposure (%DOSE) - Programmable Time Mode.................13-15

%DOSE Testing Notes: ........................................................................ 15

Data Logging.......................................................................................15-16

Sound Pressure Level (SPL) Data Recording Modes........................... 15

SPL Manual Data Logging Mode ...............................................15-16

SPL Automatic Data Logging Mode ............................................... 16

Setup Mode.........................................................................................16-21

Setting the Time and Date (dAtE)......................................................... 17

Setting the Data Logging Sampling Rate (SP-t)................................... 17

continued...

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Enabling/Disabling Auto Power OFF (PoFF) ...................................17-18

Setting the Criterion Level in dB (SEt LC)............................................ 18

Setting the Threshold in dB (SEt LT) .................................................... 18

Setting the Exchange Rate in dB (SEt ER)........................................... 18

Checking Memory Space (SPC) .......................................................... 19

Clearing Stored Data (CLrE)................................................................. 19

Verify Set Time, Date and Sampling Rate ............................................ 19

Calibration Procedure .....................................................................19-20

Data Stream Output ............................................................................. 20

3.5mm Terminal to RS-232 Serial Connection..................................... 21

Battery Replacement................................................................................ 21

Applications.............................................................................................. 21

Accessories and Replacement Parts ....................................................... 22

Appendix A: USA Regulations - OSHA Regulation

Conversion Charts.................................................................................... 22

Appendix B: Canada Regulations - Occupational Health and Safety

Regulations, Occupational Exposure Limits ............................................ 23

Appendix C: Noise Exposure Limits, by

Canadian Jurisdiction............................................................................... 24

Appendix D: Regulations Conversion from "Percent Noise Exposure"

or "DOSE" to "8-Hour Time-Weighted Average Sound Level" (TWA)...... 25

Product Care ............................................................................................ 25

Product Warranty ..................................................................................... 26

Product Disposal and Recycling .............................................................. 26

Product Support....................................................................................... 26

Introduction

Thank you for purchasing your REED R8085 Noise Dosimeter. 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 ISO9001 facility and has been

calibrated during the manufacturing process to meet stated product

specications. If a certicate 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

• Noise Dosimeter, Sound Level Meter and Data Logger

• High accuracy of ±1.0dB meets Type 2 standards

• Designed to meet noise survey requirements in compliance with OSHA

and CCOHS regulations

• Personal sound exposure meets IEC 61252, ANSI S1.25

• A & C frequency weighting

• Fast & Slow time weighting

• Lightweight and compact design

• Adjustable Criterion Level, Exchange Rate and Threshold

• USB interface with Windows®compatible software to retrieve stored

data (sold separately)

• Easy-to-read backlit LCD display

• Data hold and Min/Max hold

• Tripod mount for long-term monitoring

• Low battery indicator and auto shut off

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Specifications

Measurement Type: Sound Pressure Level: dB

Personal Noise Exposure: %Dose

Measuring Range(s): 35 to 130dB

Low: 35 to 80dB

High: 80 to 130dB

Auto: 35 to 130dB

Dose: 70 to 130dB

Dynamic Range: 50dB (in each range)

Accuracy:

31.5Hz ±3.0dB, 63Hz ±2.0dB, 125Hz ±1.5dB,

250Hz ±1.5dB, 500Hz ±1.5dB, 1kHz ±1.0dB,

2kHz ±2.0dB, 4kHz ±3.0dB, 8kHz ±5.0dB

Resolution: 0.1dB

Response Time: Approx. 1 second

Frequency Range: 31.5Hz to 8kHz

Frequency Weighting: A, C

Time Weighting: Fast/Slow (125mS and 1 second)

Microphone: 0.5" (12.7mm) electret condenser

Display: 4-digit LCD

Backlit Display: Yes

Data Hold: Yes

Min: Yes

Max: Yes

Alarm Indicators: Over (visual on-screen)

Datalogging Capabilities: Yes

Real-Time Clock and

Date Stamp: Yes

Selectable Sampling Rate: Yes (1, 2, 5, 10, 30, 60, 120, 300,

600, 1800, 3600 seconds)

continued...

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Selectable Dose

Measurement Rate: Yes (0, 1, 5, 10, 15, 30 minutes/

1, 2, 4, 8, 10, 12, 24 hours)

Auto Shut-off: Yes (after 10 minutes/off)

Tripod Mountable: Yes

Low Battery Indicator: Yes

Power Supply: 3 x AAA batteries

Output: Yes, RS-232/USB (optional)

PC Connectivity: USB Cable (R8085-USB, optional)

Software: PC Software (R8085-PC, optional)

Software OS Compatability: Windows XP/Vista/7/8/10

Product Certications: CE, IEC61252, ANSI S1.25 for Noise Dose

and Sound Exposure Meters,

IEC 61672 Class 2/ANSI S1.4 Type S

for Sound Level Meters

Operating Temperature: 32 to 122°F (0 to 50°C)

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

Operating Humidity Range: <85%

Dimensions: 4.2 x 2.3 x 1.0" (107 x 58 x 25mm)

Weight: 4.3oz (122g)

continued...

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Comparison of Frequency Weightings and Tolerance Limits

Frequency

A Weighting

Characteristics

C Weighting

Characteristics

Tolerance

(IEC 61672

class 2)

31.5 -39.4dB -3dB

±3.0

63 -26.2dB -0.8dB

±2.0

125 -16.1dB -0.2dB

±1.5

250 -8.6dB 0dB

±1.5

500 -3.2dB 0dB

±1.5

1K 0dB 0dB

±1.0

2K +1.2dB -0.2dB

±2.0

4K +1dB -0.8dB

±3.0

8K -1.1dB -3dB

±5.0

Time Weightings (Fast & Slow) Characteristics

Time Weighting

Characteristics

Max Response

Reference

continuous Signal

Tolerance

(IEC 61672 class 2)

F (Fast) -1.0dB

±1.0

S (Slow) -4.1dB

±1.0

Included

• Dosimeter

• Microphone with Clip

• Batteries

• Wrist Strap

• Carrying Case

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Instrument Description

R8085

Noise Dosimeter

ESC

HOLD RUN/

PAUSE

DUR/BEG TIME

SET LOG

ENTER

FUNC.

UNLOCK

1. LCD Display

2. HOLD Button

3. Power/ESC/Backlight Button

4. Up/Duration/Begin/Fast/

Slow/dB Range Button

5. FUNCTION/SET Button

6. Microphone Input Jack

7. RUN/PAUSE Button

Down/A/C/TIME Check Button

9. ENTER/LOG Button

10. Wrist Strap Anchoring Point

11. RS-232 Output Jack

12. Tripod Mounting Screw

13. Battery Cover

14. Battery Cover Screw

15. Microphone

16. Microphone Plug

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Display Description

%DOSE

1. Test Duration, Start

(BEG), Stop (END)

Indicators

2. Locked Keypad

Indicator

3. Test Duration

Time Value

4. Time Stamp

5. Time Weighting

Indicator

6. Unit of Measure

7. Frequency Weighting Indicator

8. Recording Status Indicator

9. %DOSE Measurement

Sound Pressure Level (SPL)

1. dB Range Indicator

2. Time Weighting

Indicator

3. Unit of Measure

4. Frequency Weighting

Indicator

5. Sound Level

Measurement

6. Max/Min Recording

Indicator

BEG

END

DUR

FAST

%DOSE

m.s.

FAST

REC

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Operating Instructions

Power On/Off

Turn the meter on by pressing the POWER button. To turn the meter off,

press and hold the POWER button for 2 seconds.

Sound Pressure Level (dBA/dBC Mode)

1. At start up, the meter's default settings are "Auto Range",

"A Frequency Weighting" and "Fast Time Weighting".

2. Press and hold the button to select the desired Response Time. If

the sound source consists of short bursts, set the response to FAST

(125ms). To measure average sound level, select SLOW (1 second).

3. Press and hold the button to select the Frequency weighting.

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

large amount of low-frequency noise.

4. Press the button to scroll through the three dB range types. There

are two manual dB ranges to select from and an auto range. The

manual ranges are described as follows:

Low (as indicated by "L"): 30 to 80dB range

High (as indicated by "H"): 80 to 130dB range

5. The meter can be held comfortably in one hand, placed in a pocket

or positioned on a tripod for long-term monitoring.

6. Attach the microphone with the provided clip to an area where it will

be exposed to sound levels (i.e. shirt collar).

Note: Set the cable in a way that does not hinder the working movements

of the user. Direct contact with strong winds or blowing air on the

microphone may cause measurement errors.

continued...

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