Yokogawa digitalYEWFLO (DY) - Manual (Page 62)

MAINTENANCE
IM 1F2B4-01-YIA
Page 66
4.1.8 Activating mis-matched pipe schedule (bore) correction
The mating pipe in a vortex meter installation should be schedule 40 pipe, using other schedule pipes can
cause small errors. If a pipe schedule other than schedule 40 is being used the error can be corrected using
the pipe effect correction.
Mis-matched pipe schedule correction
BT200 handheld terminal BT100 handheld terminal
D: adjust Select menu D: adjust and
press e
nter .
Press m e
nu until d: adjust
is displayed.
d05: pipe effect
Wafer Sch80 Scroll to the d05: pipe effect
parameter and press
enter . Press the p r m tr key until
the D05: pipe effect menu
appears.
Select from the list the correct
combination of process
connection (wafer or flange)
and pipe schedule, (Sch10,
Sch80 etc.), and press
enter twice. Using the inc or d e
c
keys, select the correct
combination of process
connection and pipe schedule,
press e
nt twice.
Pipe schedule correction is now invoked, and accuracy will be corrected for the combination selected.
Model Size Wafer Flange
Sch 10
(%)
Sch 40 Sch 80
(%)
Sch 10
(%)
Sch 40 Sch 80
(%)
YF101 ½” (15 mm) 0 -0.8 0 0.1
YF102 1” (25 mm) 0 No -0.7 0 0.1
YF104 1½” (40 mm) -0.2 Correction -0.3 0 0.1
YF105 2” (50 mm) 0.1 -0.9 0 No 0.1
YF108 3” (80 mm) 0.2 0.2 0.1 Correction 0
YF110 4” (100 mm) 0.2 -0.1 0.1 0
YF115 6” (150 mm) NA NA NA 0.3 -0.1
YF120 8” (200 mm) NA NA NA 0.3 -0.1
YF125 10” (250 mm) NA NA NA 0 0
YF130 12” (300 mm) NA NA NA 0 0