Omega FMA 1400 - Manual

1 1. UNPACKING THE FMA 1400/1500 MASS FLOW METER AND CONTROLLER 1.1 Inspect Package for External Damage Remove the Packing List and verify that you have received all equipment. If youhave any questions about the shipment, please call the Omega 7 Customer Service Department at 1-800-622-2378 or (203)...

2 It is also preferable to install the FMA 1400/1500 transducer in a stable environment,free of frequent and sudden temperature changes, high moisture, and drafts. Prior to connecting gas lines inspect all parts of the piping system including fer-rules and fittings for dust or other contaminants. Be...

FIGURE 2-1, WIRING DIAGRAM FOR FMA 1400/1500 TRANSDUCERS FIGURE 2-3, FMA 1400/1500 15 PIN "D" CONNECTOR CONFIGURATION 3 PIN FUNCTION 1 Chassis Ground 2 Common, Signal Ground For Pin 3 3 0-5 VDC Flow Signal 4 +15 VDC Power Supply 5 (-) 4-20 mA Flow Signal (optional) 6 +7 VDC for Local Set Poi...

Important notes: In general, "D" Connector numbering patterns are standardized. There are, how-ever, some connectors with nonconforming patterns and the numbering sequenceon your mating connector may or may not coincide with the numbering sequenceshown in our pin configuration table above. I...

4. SPECIFICATIONS FLOW MEDIUM: Please note that FMA 1400/1500 Mass Flow Meters and Controllers for ranges up to and above 10 L/min are designed to work with clean gases only. Never try tometer or control flow rates of liquids with any FMA 1500's or FMA 1400's. CALIBRATIONS: Performed at standard con...

FLOW RANGES TABLE I FMA 1500/1400 FOR RANGES UP TO 10 L/MIN LOW FLOW MASS FLOW METER/CONTROLLERS* TABLE II FMA 1500/1400 FOR RANGES ABOVE 10 L/MIN MEDIUM FLOW MASS FLOW METER/CONTROLLERS* TABLE III FMA 1500/1400 FOR RANGES ABOVE 10 L/MIN HIGH FLOW MASS FLOW METER/CONTROLLERS* *Flow rates are stated ...

age is a linear representation of 0 to 100% of the full scale mass flow rate.Response time to set point changes are 1 second (FMA 1400 for ranges up to 10L/min) and 2 seconds (FMA 1400 for ranges above 10 L/min) to within 2% of thefinal flow over 25 to 100% of full scale. On pin 6 of the FMA 1400 tr...

utilizing +15VDC valve configuration, connecting the TEST pin 12 on 15-pin "D"connectors) to ground will fully open the valve. For FMA 1400's with a +30VDCvalve configuration, connecting the TEST pin to +15VDC will fully open the valve. 6. MAINTENANCE 6.1 Introduction It is important that th...

13 6.2.2 FMA 1400/1500 for ranges up to 10 L/min Unscrew the inlet compression fitting of meter. Note that the Restrictor FlowElement (RFE) is connected to the inlet fitting. Carefully disassemble the RFE from the inlet connection. The 50 micron filterscreen will now become visible. Push the screen ...

14 Contact Omega 7 for optional sealing materials available. Set the FMA 1400 into PURGE mode, and attempt to flush through with a clean,filtered, and neutral gas such as nitrogen. [Another option for fully opening thevalve is to remove the plastic cap on top of the valve, and turn the set screw cou...

FIGURE 7-1, CALIBRATION POTENTIOMETER LOCATIONS 7.2 Calibration of FMA 1500 Mass Flow Meters All adjustments in this section are made from the outside of the meter, there is noneed to disassemble any part of the instrument. FMA 1500 Mass Flow Meters may be field recalibrated/checked for the samerang...

7.2.2 ZERO Adjustment Shut off the flow of gas into the Mass Flow Meter. To ensure that no seepage orleak occurs into the meter, it is good practice to temporarily disconnect the gassource. Using the multimeter and the insulated screwdriver, adjust the ZEROpotentiometer [R29] through the access wind...

 the transducer. The unit will now act as a mass flow meter. CAUTION: If the valve is left in the AUTO (control) or OPEN mode for an extended period of time, it may become warm or even hot to the touch.Use care in avoiding direct contact with the valve during operation. Follow steps outlined in sec...

TABLE VI FMA 1400 SOLENOID VALVE ORIFICE SELECTION TABLE 8. TROUBLESHOOTING 8.1 Common Conditions Your Mass Flow Meter/Controller was thoroughly checked at numerous qualitycontrol points during and after manufacturing and assembly operations. It was cal-ibrated in accordance to your desired flow and...

APPENDIX 1 COMPONENTS DIAGRAMS 23 FMA 1500 METERING PC BOARD (ALSO INCORPORATED IN FMA 1400) FMA 1400 CONTROL PC BOARD

APPENDIX 3 DIMENSIONAL DRAWINGS FMA 1500 FOR RANGES UP TO 10 L/MIN MASS FLOW METER NOTES: Omega 7 reserves the right to change designs and dimensions at its sole discretion at any time without notice. For certified dimensions please contact Omega 7 . 28

FMA 1500 FOR RANGES ABOVE 10 L/MIN MASS FLOW CONTROLLER NOTES: Omega 7 reserves the right to change designs and dimensions at its sole discretion at any time without notice. For certified dimensionsplease contact Omega 7 . 29

WARRANTY/ DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for aperiod of 13 months from date of purchase. OMEGA’s Warranty adds an additional one (1) month graceperiod to the normal one (1) year product warranty to cover handling and shipping ...