Heath-consultants Optical Methane Detector (OM) Uživatelský manuál

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OMD
User’s
Manual
Heath Consultants Incorporated
Houston, TX
713/844-1300
Fax: 713/844-1309
1-800-HEATH-US
www.heathus.com
Heath....Leadership, Innovation, Performance
Then, Now and Tomorrow
Rev E
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Strany 1 - 1-800-HEATH-US

1OMDUser’s ManualHeath Consultants IncorporatedHouston, TX713/844-1300Fax: 713/844-13091-800-HEATH-USwww.heathus.comHeath...Leadership, Innovation,

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10Chapter IIINSTALLATION PROCEDUREIt is virtually impossible to predict the exact installation proce-dure for every different type of vehicle on the m

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11INSTALLATIONis not flat, some other type of brackets, supports, etc. will needto be used to attach the strut channels to the front of the ve-hicle.

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12INSTALLATIONAppendix A at the end of this manual. Many vehicles havevents below the bumper to allow airflow into the engine com-partment. This is

Strany 5 - YSTEM SPECIFICATIONS

13Cable assemblies installation:Each cable assembly for the OMD is uniquely constructed sothat it cannot be connected to the wrong mating connector.Fi

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14INSTALLATIONWhen routing cables from the cab to the front of vehicle, fasten thecables to fixed parts of your vehicle with tie wraps. Tie wraps are

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15Vehicle Grounding StrapA vehicle-grounding strap is included in the OMD mountingkit. The purpose of this strap is to prevent the buildup of anElectr

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16 ·Verify that the mounting location of the strap will not causeit to come in contact with any rotating parts, such as drivewheels or drive shaft

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17Photos of Protective CagesINSTALLATION

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18Chapter IIIOPERATING PROCEDURESStart Up:1) Turn on the SYSTEM POWER by pressing the “SYSTEMPOWER” button. The red LED above the SYSTEM POWERbutton

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19OPERATING PROCEDURES60 minutes. The system is stable when the PPM readingsbecome consistant.4) Press the CALIBRATION TEST button. The red LED abov

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20OPERATING PROCEDURES6) Set the SPEAKER VOLUME of the alarm to the desired levelby pressing either the SPEAKER VOLUME INCREMENTor DECREMENT button to

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21LIGHT:In this position, numbers in the range from 0 to -1200 are dis-played, indicating the amount of light reaching the detector withthe lower numb

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22OPERATING PROCEDURESUse a soft, lint free cotton towel to clean the lenses. The lightlevel is also affected by the alignment of the Light Source an

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23PPM RANGE:Consecutively pressing the PPM RANGE button allows theformatting of the display with full-scale settings of 10, 30, or90 PPM. The ranges

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24OPERATING PROCEDURESPRESENT0.0MAXIMUM16.6SETPOINT30.030 PPM0 PPMHere is a 16.6-PPM leak displayed in the 30-PPM range.PRESENT0.0MAXIMUM16.6SETPOINT3

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25ALARM SETPOINT:The audible alarm allows the driver to only respond to signifi-cant events, rather than requiring constant observation of themethane

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26OPERATING PROCEDURESERROR MESSAGES:When a concentration of methane greater than the ALARMSET POINT enters the light path, a high pitched alarm issou

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27CAUTION:BECAUSE OF INHERENT LIMITATIONS, LIQUIDCRYSTAL DISPLAYS SHOULD NOT BE SUB-JECTED TO EXTREMES OF TEMPERATURE ORHUMIDITY. IF THE INSTRUMENT I

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28Chapter IVALIGNMENT PROCEDUREIn order for your OMD to function properly, it is crucial thatthe optical path be aligned properly. The OMD components

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29ALIGNMENTThen, the alignment screws on the Receiver are used to optimize thelight level as observed on the Display. This last step directs theoptic

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3TABLE OF CONTENTSSPECIFICATIONS ... 5CHAPTER IOVERVIEW ...

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30Receiver Alignment:Next, remove the paper and clear the light path of all obstacles.Observe the “LIGHT LEVEL” on the display. The alignmentscrews o

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31Chapter VCALIBRATION CHECKIt should be noted that the OMD, like all survey instruments, isnot designed for absolutely accurate quantitative analysis

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32CALIBRATIONVerifying Calibration with External Cell:The standard external calibration cell is 0.6 inches thickinternally. This is approximately 1/1

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33CALIBRATION

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34Chapter VIMAINTENANCE INFORMATIONGeneralIn general the OMD is practically maintenance free. Normally,the only maintenance required is to clean the

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35PROBLEM SOLUTION“Light” alarm occurs: Clean lenses. If alarmcontinues, re-align optics.“Warm-up” alarm occurs: Turn light off until systemwarms up.

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36PROBLEM SOLUTIONDisplay is blank: Press and hold contrastdown button for approx.15 seconds or untilwriting appears on screen.If display is still bla

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37Chapter VIISERVICE INFORMATIONWarranty and Warranty RepairsThe OMD is warranted to be free from defects in material andworkmanship for one (1) year

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38SERVICEThe following suggestions will expedite the repair of yourinstrument:·Package carefully, using the original shipping carton if available, and

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39Customer Service Phone 1-800-HEATH-US(1-800-432-8487)CORPORATE HEADQUARTERSHeath Consultants Incorporated9030 Monroe RoadHouston, Texas 77061Phone:

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4CHAPTER VIMAINTENANCE INFORMATION ... 34General ...

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40APPENDIX AHEATH CONSULTANTS INCORPORATEDSURVEY PROCEDURES - MOBILE OMDPROCEDURESI. Planning the SurveyA. Specific Survey RequirementsDuring the init

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415. The names and telephone numbers of persons tocontact for location of buried telephone and electriccables.6. Obtain any information or location of

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42II. Equipment RequirementsA. A vehicle for the terrain to be surveyed should be used. Itshould have good visibility and maneuverability and mustbe

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43the consultant should make every effort to place the OMDover available openings. When the detector senses thepresence of methane in the sample, an

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44of the designated streets, particularly where a single mainexists, with long services running to the opposite side ina wall-to-wall pavement area. E

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452. Grade 2(B) - A leak that is recognized as being non-hazardous at the time of detection but requiresscheduled repair locations are completed.3. Gr

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46A. Moisture Content of the SoilThe higher the moisture content, the more difficult itbecomes for gas to vent and thus to be picked up by theinstru

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47D. Gas PressureLow-pressure gas systems generally will vent much moreslowly and poorly than higher pressure systems. Highsoil moisture content ca

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48APPENDIX Alow gas to vent rather well. These cracks are subject tofilling with water if there is thawing or rain which tem-porarily reduces venting.

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49APPENDIX AIn heavily paved areas, special care should be taken tosample as many venting locations as possible, includingavailable openings.

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5SYSTEM SPECIFICATIONSOMDTM System SpecificationsConfiguration: Double - endedSensitivity: 1 PPM / meter CH4Measurement Range: 1 to 200 PPMAccuracy: ±

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50HEATH CONSULTANTS INCORPORATEDOPERATING STANDARDS - MOBILE OMDTM SURVEYGENERAL SPECIFICATIONSI. Purpose of SurveyThe purpose of the survey is to ins

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51V. Transportation RequirementsAny vehicle designed for the terrain to be covered.VI. Method of Operation A. Maintenance of InstrumentsEach i

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52In most paved locations the survey can be conducted bydriving along the curb or the side of the street where themain is located. However, in the in

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53VII. Centering of Leakage DetectionWhenever combustible vapors are detected in the soil orsubstructure atmospheres, additional tests will be con-duc

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54IX.Production per Day Coverage per day will vary due to local conditions and leak indication frequency.X. Report Requirements A. Any leak ind

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55APPENDIX BDRAWINGS1 INSTALLATION ISOMETRIC2 INSTALLATION ERROR # 13 WIRING DIAGRAM 1 OF 24 WIRING DIAGRAM 2 OF 2

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6SYSTEM SPECIFICATIONSSystem Weight: External Sub - Systems: 17 pounds Power Box 6 pounds Internal Display 3 pounds Cables 4 poundsCro

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60 USING ADOBE ACROBAT READERThe OMD WINCAL and User Manuals are included on the OMDWINCAL CD-ROM.Both manuals are in the portable document format (.p

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61 Declaration of ConformityManufacture’s Name: Heath ConsultantsManufacture’s Address: 9030 Monroe RoadHouston, TX 77061Model: Optical M

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7Chapter IOVERVIEWThe Optical Methane Detector (OMD™), is the first of the“next generation” leak detection systems which address thehigh cost presentl

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8The OMD operates reliably under a variety of environmentalconditions including dry weather, snow, ice and temperaturesfrom -22° F to +122° F. Its se

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9auto exhaust and swamp or sewer gas. Due to the selectivity of theOMD, false positives caused by auto exhaust are greately mini-mized.NEWExperienced

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