Yokogawa digitalYEWFLO (DY) User Manual
Page 126
<13. GENERAL SPECIFICATIONS>
13-16
IM 01F06A00-01EN
Table 13.9
Range of Measurable Air Flow Rate at Selected Process Pressures
Model Code
Flow
Rate
Limits
Minimum and Maximum Measurable Flow Rate in Nm
3
/h
0 MPa
0.1 MPa 0.2 MPa 0.4 MPa 0.6 MPa 0.8
MPa
1 MPa 1.5 MPa 2
MPa
2.5
MPa
DY015
DY025
/R1
DY040
/R2
min. 4.8(11.1) 6.7(11.1) 8.2(11.1) 10.5(11.1)
12.5
16.1
19.7
28.6
37.5
46.4
max.
48.2
95.8
143
239
334
429
524
762
1000
1238
DY025
DY040
/R1
DY050
/R2
min. 11.0(19.5) 15.5(19.5)
19.0(19.5)
24.5
29.0
33.3
40.6
59.0
77.5
95.9
max.
149
297
444
739
1034
1329
1624
2361
3098
3836
DY040
DY050
/R1
DY080
/R2
min. 21.8(30.0)
30.8
37.8
48.7
61.6
79.2
97
149
184
229
max.
356
708
1060
1764
2468
3171
3875
5634
7394
9153
DY050
DY080
/R1
DY100
/R2
min. 36.2(38.7)
51
62.4
80.5
102
131
161
233
306
379
max.
591
1174
1757
2922
4088
5254
6420
9335
12249 15164
DY080
DY100
/R1
DY150
/R2
min.
70.1
98.4
120
155
197
254
310
451
591
732
max.
1140
2266
3391
5642
7892
10143 12394 18021 23648 29274
DY100
DY150
/R1
DY200
/R2
min.
122
172
211
272
334
442
540
786
1031
1277
max.
1990
3954
5919
9847
13775 17703 21632 31453 41274 51095
DY150
DY200
/R1
—
min.
268
377
485
808
1131
1453
1776
2583
3389
4196
max.
4358
8659
12960
21559
30163 38765 47365 68867 90373 111875
DY200
—
—
min.
575
809
990
1445
2202
2599
3175
4617
6059
7501
max.
7792
15482
23172
38549
53933 69313 84693 123138 161591
200046
DY250
—
—
min.
1037
1461
1788
2306
3127
4019
4911
7140
9370
11600
max.
12049
23939
35833
59611
83400 107181 130968
190418
249881
309334
DY300
—
—
min.
1485
2093
2561
3303
4479
5756
7033
10226 13419 16612
max.
17256
34286
51317
85370
119441 153499
187556
272699
357856
443017
DY400
—
—
min.
2790
3933
4812
7020
9821
12622
15422
22424
29426
36427
max.
28378
56385
84391
140405
196418 252432 308445 448479 588513 728547
(1) Listed fl ow rate is at standard conditions STP (0°C. 1atm).
(2) Listed gauge pressure is at process temperature of 0°C.
(3) Maximum fl ow rate is the lower of 80m/s.
(4) Minimum fl ow rate: (value) is the lower limit of the accuracy range.