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Omega FMA1700A Скачать руководство пользователя страница 4

7.3.6 50% Flow Adjustment....................................................................
7.3.7 75% Flow Adjustment....................................................................
7.3.8 100% Flow Adjustment....................................................................
7.4

LCD Display Scaling.........................................................................

7.4.1 Access LCD Display Circuit..............................................................
7.4.2 Adjust Scaling..................................................................................
7.4.3 Change Decimal Point......................................................................

8. TROUBLESHOOTING

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8.1

Common Conditions........................................................................

8.2 Troubleshooting

Guide.....................................................................

8.3

Technical Assistance.......................................................................

9. CALIBRATION CONVERSIONS FROM REFERENCE GASES

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APPENDIX 1

COMPONENT DIAGRAM.........................................................

APPENDIX 2

GAS FACTOR TABLE (“K” FACTORS)........................................

APPENDIX 3

DIMENSIONAL DRAWINGS......................................................
PARTS OF THE FLOW METER..............................................

APPENDIX 4

WARRANTY...........................................................................

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Содержание FMA1700A

Страница 1: ...FMA1700A FMA1800A Mass Flowmeter e mail info omega com For latest product manuals www omegamanual info User sGuide Shop online at omega com NORWALK CT TM TM...

Страница 2: ...cifications without notice TM omega com info omega com Omega Engineering Inc Toll Free 1 800 826 6342 USA Canada only Customer Service 1 800 622 2378 USA Canada only Engineering Service 1 800 872 9436...

Страница 3: ...eadings 5 3 Swamping Condition 6 MAINTENANCE 6 1 Introduction 6 2 Flow Path Cleaning 6 2 1 Restrictor Flow Element RFE 6 2 2 FMA1700A 1800A Series Max Flow 10 L min 7 CALIBRATION PROCEDURES 7 1 Flow C...

Страница 4: ...4 3 Change Decimal Point 8 TROUBLESHOOTING 8 1 Common Conditions 8 2 Troubleshooting Guide 8 3 Technical Assistance 9 CALIBRATION CONVERSIONS FROM REFERENCE GASES APPENDIX 1 COMPONENT DIAGRAM APPENDIX...

Страница 5: ...ase contact an OMEGA7 customer service representative and request a Return Authorization Number AR It is mandatory that any equipment returned for servicing be purged and neutral ized of any dangerous...

Страница 6: ...t or other contaminant s Be sure to observe the direction of gas flow as indicated by the arrow on the front of the meter when connecting the gas system to be monitored Insert tubing into the compress...

Страница 7: ...PLY VOLTAGE LIMIT MAY RESULT IN DEVICE PERMANENT DAMAGE IMPORTANT NOTES In general D Connector numbering patterns are standardized There are how ever some connectors with nonconforming patterns and th...

Страница 8: ...as the LCD readout mounting Special lengths of remote extension wiring up to 9 5 feet 3 meters are available on request 2 3 2 Panel Mounting Readouts Another option for the FMA1700A 1800A Mass Flow Me...

Страница 9: ...to the total flow through the transducer In order to sense the flow in the sensor tube heat flux is introduced at two sec tions of the sensor tube by means of precision wound heater sensor coils Heat...

Страница 10: ...25 to 100 of full scale flow rate GAS PRESSURE 1000 psig 69 bars FMA1700A 1800A Series Max Flow 10 50 and 100 500 psig 34 5 bars FMA1700A 1800A Series Max Flow 200 500 and 1000 L min Optimum pressure...

Страница 11: ...Series Max Flow 1000 L min 3 4 FNPT fittings or 3 4 compression fittings LCD DISPLAY 3 digit LCD maximum viewable digits 1999 0 5 inch high characters On FMA1700A 1800A aluminum or stainless steel mod...

Страница 12: ...43 200 44 500 45 1000 TABLE I FMA1700A 1800A SERIES MAX FLOW 10 L min LOW FLOW MASS FLOW METER CODE mL min N2 02 0 to 10 04 0 to 20 06 0 to 50 08 0 to 100 10 0 to 200 12 0 to 500 CODE L min N2 14 0 t...

Страница 13: ...seepage or leak occurs in to the meter 5 2 Flow Signal Output Readings Initiate a controlled gas flow after warm up The flow signal output can be viewed either on the LCD display remote panel meter di...

Страница 14: ...enance required It is good practice however to keep the meter away from vibration hot or corrosive environments and excessive RF or magnetic interference If periodic calibrations are required they sho...

Страница 15: ...adaptor using a 5 32 Allan wrench 5 Clean or replace each of the removed parts as necessary If alcohol is used for cleaning allow time for drying Inspect the flow path inside the transducer for any vi...

Страница 16: ...support for Mass Flow Meters using precision calibrators under strictly controlled conditions NIST traceable calibrations are available Calibrations can also be per formed at customers site using avai...

Страница 17: ...least four times better collective accuracy than that of the Mass Flow Meter to be calibrated be used Equipment required for calibration includes a flow calibration standard and a certified high sens...

Страница 18: ...ulated screwdriver adjust the ZERO potentiometer R34 through the access window for 0 VDC or 4 mA respectively at zero flow 14 CAUTION The minimum voltage on 0 5 Vdc output can be in the range of 7 to...

Страница 19: ...arily disconnect the gas source Using the multimeter and the insulated screwdriver adjust the ZERO potentiometer R34 through the access window for 0 VDC or 4 mA respectively at zero flow CAUTION The m...

Страница 20: ...e signal Adjust the setting for potentiometer R38 by using the insu lated screwdriver through the access window until reading is within specification 7 3 7 75 Flow Adjustment Using the flow regulator...

Страница 21: ...ired flow and pressure conditions for a given gas or a mix ture of gases It was carefully packed to prevent damage during shipment Should you feel that the instrument is not functioning properly pleas...

Страница 22: ...700A 1800A transducer from power supply remove the shorting condition or check polarities fuse resets automatically flush clean or disassemble to remove impediments or replace flush clean or or return...

Страница 23: ...mum is recommended Carefully remove the LCD from FMA1700A 1800A Remove the aluminum housing on the side of the connection cable Side the LCD assembly out of the aluminum housing Check connection for a...

Страница 24: ...ns 2 and 3 of the D connector Make sure the load resistance is more than 1000 Ohm Return FMA1700A 1800A to factory for repair Check external connections to pins 8 and 9 of the D connector Make sure th...

Страница 25: ...12 NOTE Calibration accuracy can be affected Return FMA1700A 1800A to factory for repair Flush clean or disassemble to remove impediments or replace the filter screen see 6 2 on page 11 NOTE Calibrat...

Страница 26: ...rom FMA1700A 1800A Remove the aluminum housing on the side of the connection cable Side the LCD assembly out of the aluminum housing Reinstall jumper to the appropriate location on the 8 pin header bl...

Страница 27: ...S FROM REFERENCE GASES The calibration conversion incorporates the K factor The K factor is derived from gas density and coefficient of specific heat For diatomic gases K Kgas Note in the above relati...

Страница 28: ...24 APPENDIX 1 COMPONENTS DIAGRAM FMA1700A 1800A METERING PC BOARD...

Страница 29: ...uoride BrF3 3855 1161 6 108 Bromotrifluoromethane Freon 13 B1 CBrF3 3697 1113 6 644 1 3 Butadiene C4H6 3224 3514 2 413 Butane C4H10 2631 4007 2 593 1 Butene C4H8 2994 3648 2 503 2 Butene C4H8 CIS 324...

Страница 30: ...55 Ethyl Acetylene C4H6 3225 3513 2 413 Ethyl Chloride C2H5Cl 3891 244 2 879 Ethylene C2H4 60 365 1 251 Ethylene Oxide C2H4O 5191 268 1 965 Fluorine F2 9784 1873 1 695 Fluoroform Freon 23 CHF3 4967 17...

Страница 31: ...mide CH3Br 5835 1106 4 236 Methyl Chloride CH3Cl 6299 1926 2 253 Methyl Fluoride CH3F 68 3221 1 518 Methyl Mercaptan CH3SH 5180 2459 2 146 Methyl Trichlorosilane CH3 SiCl3 2499 164 6 669 Molybdenum He...

Страница 32: ...35 1592 6 516 Sulfuryl Fluoride SO2F2 3883 1543 4 562 Tetrafluoroethane Forane 134A CF3CH2F 5096 127 4 224 Tetrafluorohydrazine N2F4 3237 182 4 64 Trichlorofluoromethane Freon 11 CCl3F 3287 1357 6 129...

Страница 33: ...A B C D E F G H J 10 L min Tube O Diameter 5 72 145 3 1 00 25 4 1 13 28 6 3 09 78 6 5 10 129 6 0 5 12 7 4 61 117 1 0 16 4 0 0 16 4 0 50 L min Tube O Diameter 6 10 154 9 1 38 34 9 1 25 31 8 4 13 104 8...

Страница 34: ...169 8 8 81 223 7 0 88 22 2 5 62 142 6 4 69 119 0 1 39 35 3 1 00 25 4 0 18 4 6 10 24 x 0 25 500 L min Tube O Diameter 7 64 194 0 3 00 76 2 3 00 76 2 7 25 184 2 9 65 245 1 1 5 38 1 6 53 165 8 6 75 171 5...

Страница 35: ...31 PARTS OF THE FLOW METER LEFT AND RIGHT VIEWS FRONT VIEW...

Страница 36: ...32...

Страница 37: ...33...

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Страница 39: ...therwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold...

Страница 40: ...Air Velocity Indicators Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps I...

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