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a t e r
ULTRASONIC INLINE FLOW METERS
F O R A C C U R A T E F L O W M E A S U R E M E N T
1 INCH ULTRASONIC FLOW METER NPT THREAD TYPE MODEL: QA-FM100
1 INCH ULTRASONIC FLOW METER BSP THREAD TYPE MODEL: QA-FM100BSP
1.5 INCH ULTRASONIC FLOW METER NPT THREAD TYPE MODEL: QA-FM150
1.5 INCH ULTRASONIC FLOW METER BSP THREAD TYPE MODEL: QA-FM150BS
2 INCH ULTRASONIC FLOW METER NPT THREAD TYPE MODEL: QA-FM200
2 INCH ULTRASONIC FLOW METER BSP THREAD TYPE MODEL: QA-FM200BSP
3 INCH ULTRASONIC FLOW METER NPT THREAD TYPE MODEL: QA-FM300
3 INCH ULTRASONIC FLOW METER BSP THREAD TYPE MODEL: QA-FM300BSP
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e c h n o l o g i e S
O P E R A T I O N
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I N S T R U C T I O N
MADE IN USA
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M A N U A L
JANUARY 2025
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Table of Contents
Summary of Contents for SWT QA-FM100
- Page 1 F O R A C C U R A T E F L O W M E A S U R E M E N T MADE IN USA 1 INCH ULTRASONIC FLOW METER NPT THREAD TYPE MODEL: QA-FM100 1 INCH ULTRASONIC FLOW METER BSP THREAD TYPE MODEL: QA-FM100BSP 1.5 INCH ULTRASONIC FLOW METER NPT THREAD TYPE MODEL: QA-FM150...
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Page 2: Table Of Contents
Page 2 Table of Contents 3. Specifications 4. Dimensions and Identification 5. Application Guide 6. Application Guide (continued) 7. Parts and Accesories 8. Troubleshooting... -
Page 3: Specifications
Type Pulses/Gal Typical Flow Max Flow Low Flow Threshold 0.1 ft/sec to 10 ft/sec 16 ft/sec QA-FM100 0.12 gpm (0.45 lpm) 0.3 to 24.5 gpm (1.1 to 93 lpm) 39 gpm (147 lpm) 40 (10.57/Liter) QA-FM100BSP 0.12 gpm (0.45 lpm) 0.3 to 24.5 gpm (1.1 to 93 lpm) -
Page 4: Dimensions And Identification
Page 4 Dimensions and Identification On Power Up: 1 Flash QA-FM100 1 inch 2 Flashes QA-FM150 1.5 inches 3 Flashes QA-FM200 2 inches 4 Flashes QA-FM300 3 inches Female Outlet / Male Inlet DURING OPERATION LED flashes as forward flow is sensed within the meter. -
Page 5: Application Guide
Page 5 Application Guide Inline flow meters are most accurate when measuring fully developed, non-turbulent flow. The ultrasonic meters have been calibrated for measuring liquids and may not read accurately if air or other gasses are in the pipe. Orient the meter to minimize entrapped gasses around the sensors. -
Page 6: Application Guide (Continued)
A set of dip switches are provided on the circuit board to set the meter size. On flow meter assemblies these dip switches are preset at the factory and do not require adjustment. When replacing a flow sensor module verify the dip switch setting as shown below: QA-FM100 QA-FM150 QA-FM200... -
Page 7: Parts And Accessories
Cover, Flow Meter QA-FM-SENSOR COVER O-ring, Meter Cover QA-FM- SENSOR O-RING O-ring, Meter Cover QA-FM- METER O-RING Meter Body, FM100, NPT QA-FM100-BODY NPT Meter Body, FM100, BSP QA-FM100-BODY BSP Meter Body, FM150, NPT QA-FM150-BODY NPT Meter Body, FM150, BSP QA-FM150-BODY BSP... -
Page 8: Troubleshooting
Page 8 Troubleshooting When plugging in the wire harness, the LED should flash. This sequence of flashes will indicate Insufficient power the size meter the module is set for. If it does not, check for 5-24VDC on red (power) wire. Cable connection not Verify that meter cable ends are properly connected at control and at threaded plug end properly made...
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