Flow Measuring Ranges; Flow For Different Gases - ICS IVA 521 Instruction Manual

7 Flow measuring ranges

7.1 Flow for different gases

Reference DIN1945/ ISO 1217: 20°C, 1000 mbar (Reference during calibration)
Low Speed
Standard
Air
Max
High Speed
Adjustment to DIN 1343: 0°C, 1013,25 mbar
Low Speed
Standard
Air
Max
High Speed
Low Speed
Standard
Argon
(Ar)
Max
High Speed
Low Speed
Standard
Carbon dioxide
( CO )
Max
2
High Speed
Low Speed
Standard
Nitrogen
(N )
Max
2
High Speed
Low Speed
Standard
Oxygen f
(O )
Max
2
High Speed
Low Speed
Standard
Nitrous oxide
(N O)
Max
2
High Speed
Other gases on request
Please note:
The area outside the pipeline (ambient area of the sensor) must not be an explosive area.
IVA 521 English V1.20
1/2" 3/4" 1"
Analog Analog Analog
output output output
20mA 20mA 20mA
[m³/h] [m³/h] [m³/h]
20 45 75
45 85 145
90 175 290
110 215 355
20 40 70
40 80 135
80 160 270
100 195 325
35 75 120
70 135 230
140 275 460
170 335 555
20 45 75
45 85 145
90 175 290
105 210 350
20 40 70
40 80 135
80 160 270
100 195 325
20 45 75
40 80 140
85 165 280
105 205 340
20 45 75
40 85 140
85 170 285
105 210 345
Measuring ranges
1 ¼" 1 ½" 2"
Analog Analog Analog
output output output
20mA 20mA 20mA
[m³/h] [m³/h] [m³/h]
140 195 320
265 365 600
530 730 1195
640 885 1450
130 180 295
240 335 550
485 670 1100
590 815 1330
220 305 505
415 570 935
830 1140 1870
1005 1385 2265
140 195 320
260 360 590
525 720 1185
635 875 1430
130 180 295
240 335 550
485 670 1100
590 815 1330
135 185 305
250 345 570
505 695 1140
610 845 1380
140 190 315
260 355 585
520 715 1170
630 865 1420
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