Yokogawa digitalYEWFLO (DY) User Manual
Page 124

<13. GENERAL SPECIFICATIONS>
13-14
IM 01F06A00-01EN
Mass fl ow or Volumetric fl ow rate at Normal/Standard condition:
for Multi-Variable Type and combination of Multi-Variable Type and Reduced Bore Type
Model Code
/MV
/MV/R1
/MV/R2
Liquid
DY025
±2.0% (20000
≤Re<1500*D)
±1.5% (1500*D
≤Re)
DY040
±2.0%(20000
≤Re<1000*D)
±1.5% (1000*D
≤Re)
±2.0% (20000
≤Re)
DY050
±2.0% (20000
≤Re)
DY080
DY100
DY150
±2.0% (40000
≤Re<1000*D)
±1.5% (1000*D
≤Re)
DY200
±2.0% (40000
≤Re)
Gas,
Steam
DY025
±2.0%
(Velocity 35m/s or less)
±2.5%
(Velocity 35m/s to 80m/s)
DY040
±2.0%
(Velocity 35m/s or less)
±2.5%
(Velocity 35m/s to 80m/s)
DY050
±2.0%
(Velocity 35m/s or less)
±2.5%
(Velocity 35m/s to 80m/s)
DY080
DY100
DY150
DY200
D: Inner diameter of digitalYEWFLO (mm)
Re: Reynolds number (non unit)
Note: This table shows the accuracy of pulse output. In case of analog output, add up ± 0.1% of full scale to the values mentioned above.
for High Temperature Version Multi-Variable Type and combination of High Temperature Multi-Variable Type and
Reduced Bore Type
Model Code
/HT/MV
/HT/MV/R1
/HT/MV/R2
Liquid
DY025
±2.0% (20000
≤Re<1500*D)
±1.5% (1500*D
≤Re)
DY040
±2.0%(20000
≤Re<1000*D)
±1.5% (1000*D
≤Re)
±2.0% (20000
≤Re)
DY050
±2.0% (20000
≤Re)
DY080
DY100
DY150
±2.0% (40000
≤Re<1000*D)
±1.5% (1000*D
≤Re)
DY200
±2.0% (40000
≤Re)
Gas,
Superheated
Steam
DY025
±2.0%
(Velocity 35m/s or less)
±2.5%
(Velocity 35m/s to 80m/s)
DY040
±2.0%
(Velocity 35m/s or less)
±2.5%
(Velocity 35m/s to 80m/s)
DY050
±2.0%
(Velocity 35m/s or less)
±2.5%
(Velocity 35m/s to 80m/s)
DY080
DY100
DY150
DY200
Saturated
Steam
DY025
±3.0%
(Velocity 35m/s or less)
±3.5%
(Velocity 35m/s to 80m/s)
DY040
±3.0%
(Velocity 35m/s or less)
±3.5%
(Velocity 35m/s to 80m/s)
DY050
±3.0%
(Velocity 35m/s or less)
±3.5%
(Velocity 35m/s to 80m/s)
DY080
DY100
DY150
DY200
D: Inner diameter of digitalYEWFLO (mm)
Re: Reynolds number (non unit)
Note: This table shows the accuracy of pulse output. In case of analog output, add up ± 0.1% of full scale to the values mentioned above.