DigitalFlow™ XGM868i Startup Guide 39
Chapter 2. Initial Setup
2.7.2a Path and Axial Lengths (cont.)
8. In the same manner, enter the appropriate Axial Length L unit type and axial length of the ultrasonic signal, and
press [Enter].
9. Scroll to the desired Fluid Type and press [Enter]. Then do one of the following:
• If OTHER was selected - proceed to Step 10.
• If AIR was selected - proceed to Step 11.
10. Use the arrow keys to enter the Fluid Soundspeed (in feet per second) in the gas to be measured and press [Enter].
11. Scroll to the appropriate choice to indicate whether you want Reynolds Correction, and press [Enter].
• If Off is selected, go to Step 12.
• If On is selected, the program asks for the Kinematic Viscosity. Use the arrow keys to enter the desired value, and
press [Enter].
12. Use the arrow keys to enter a value for the flow Calibration Factor and press [Enter]. The default value is 1.00, but
values between 0.50 and 2.0 may be entered.
2.7.2b Procedure Options
After completing the above steps, the XGM868i returns to the Channel PROGRAM window. Press [Escape] twice to
return to the meter display. Then proceed to Chapter 3, Operation, for instructions on taking measurements, or refer to
the Programming Manual for instructions on programming the Model XGM868i’s advanced features.
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