DigitalFlow™ DF868 Multipurpose Ultrasonic Liquid Flowmeter Programming Manual (2-Channel)
15
Chapter 1. Programming Site Data
1.6.3.2
Pipe Material
4.
Use the
[F1]-[F4]
and [
keys to select the
Pipe Material
, as listed in Table 7.
Note:
Depending on the pipe material choice, another window may appear, asking you to specify the specific
material. If you have selected “Other,” the DF868 prompts you to enter the sound speed.
1.6.3.3
Pipe OD
5.
Enter the known
Pipe OD
or circumference and press
[F1]-[F4]
to select the appropriate units, as shown in
Table 8. Press
[ENT]
. (The meter will only accept values from 1/8 to 648 in.)
Note:
The first two lines of text in the prompt area depend on the selection made at the
TRANSDUCER NUMBER
prompt. The option bar choices may appear in English or Metric units.
Obtain the required information by measuring either the pipe outside diameter (OD) or circumference at the
transducer installation site. The data may also be obtained from standard pipe size tables.
Table 7: Limits for I/O Parameters
Pipe Material Category
Specific Material
Steel
Carbon Steel or Stainless Steel
Iron
Ductile Iron or Cast Iron
Cu - Copper
None
Al - Aluminum
None
Brass
None
CuNi - Copper/Nickel
70% Cu 30% Ni or 90% Cu 10% Ni
Glass
Pyrex, Flint, or Crown
Plastic
Nylon, Polyester, Polypropylene, PVC (CPVC), Acrylic
Other*
Any material
Table 8: Available Pipe OD Units
English
Metric
inch = pipe OD in inches
mm = pipe OD in millimeters
feet = pipe OD in feet
m = pipe OD in meters
in/PI = pipe circumference in inches
mm/PI = pipe circumference in millimeters
ft/PI = pipe circumference in feet
m/PI = pipe circumference in meters