Onicon F-4000 Series Manual de usuario descargar pdf (Pagina 46)

11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax +1 (727) 442-5699 • [email protected]

F-4000 Series Ultrasonic Flow Meter Manual 05/15 - 0707-13 / 18838 Page 46

9. Record the information

shown on the ow meter

display.

Record readings shown for: Flow rate

Flow total

Valc – automatic gain setting

Vaer – aeration level

mV – signal strength

M/S – speed of sound(Vs)

Operating status (---------)

10. Measure and record analog or

pulse outputs.

Current Output:

Scaled Relay Otput:

Refer to ow meter wiring diagram for the various outputs based on your

particular installation. Use the following formulas to calculate ow rate from

measured analog signals:

GPM = (measured current in mA - 4) X Full Scale Analog Flow Rate

Each contact closure = unit volume identied as “Scale Factor” .(Measure

and record time interval between contact closures.)

11. Compare various output

signals to each other and to

the ow rate displayed by the

control system.

Compare the ow rate calculated in step 10 to meter display and to the ow

rate indicated by the control system. Refer to the troubleshooting section of

this manual when readings are inconsistent.

End of standard commissioning. Please contact ONICON at (727) 447-6140 with any questions.

6.3 COMMISSIONING WORKSHEET

Please read all installation instructions carefully prior to proceeding with these steps. Use the

following worksheet for checking off the commissioning steps and recording measured values. The

following steps require ow in the pipe. Flow signal readings should be taken while holding the

ow rate constant, if possible. Otherwise, take the various output readings as quickly as possible.

STEP TEST/MEASUREMENT S/N: S/N: S/N: S/N:

1. Site selection/

location OK:

2. Straight run OK:

3. Measured pipe size:

4. Record uid type:

5. Control system

programming OK:

6. Record Btu meter /

display S/N:

7. Signal & transducer

wiring Ok:

8. Record measured

supply voltage:

9. Record the

displayed data:

Rate ___________

Total __________

Valc ___________

Vaer ___________

mV ____________

Vs _____________

Status __________

Rate ___________

Total __________

Valc ___________

Vaer ___________

mV ____________

Vs _____________

Status __________

Rate ___________

Total __________

Valc ___________

Vaer ___________

mV ____________

Vs _____________

Status __________

Rate ___________

Total __________

Valc ___________

Vaer ___________

mV ____________

Vs _____________

Status __________

10. Analog or pulse

output(s)

4-20 mA signal:

Scaled output interval:

Calculated ow rate:

___________mA

__________VDC

_____________

__________GPM

___________mA

__________VDC

_____________

__________GPM

___________mA

__________VDC

_____________

__________GPM

___________mA

__________VDC

_____________

__________GPM

11. Flow rate displayed

by control system.

__________GPM __________GPM __________GPM __________GPM

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