ICS IVA 521, Instruction Manual

Page: 11 / 39

Measuring ranges
IVA 521
English V1.20 Page 11 of 39
7
Flow measuring ranges
7.1 Flow for different gases
1/2" 3/4" 1" 1 ¼" 1 ½" 2"
Analog
output
20mA
Analog
output
20mA
Analog
output
20mA
Analog
output
20mA
Analog
output
20mA
Analog
output
20mA
[m³/h] [m³/h] [m³/h] [m³/h] [m³/h] [m³/h]
Reference DIN1945/ ISO 1217: 20°C, 1000 mbar (Reference during calibration)
Air
Low Speed
20 45 75 140 195 320
Standard 45 85 145 265 365 600
Max 90 175 290 530 730 1195
High Speed 110 215 355 640 885 1450
Adjustment to DIN 1343: 0°C, 1013,25 mbar
Air
Low Speed 20 40 70 130 180 295
Standard 40 80 135 240 335 550
Max 80 160 270 485 670 1100
High Speed 100 195 325 590 815 1330
Argon
(Ar)
Low Speed 35 75 120 220 305 505
Standard 70 135 230 415 570 935
Max 140 275 460 830 1140 1870
High Speed 170 335 555 1005 1385 2265
Carbon dioxide
(
CO
2
)
Low Speed 20 45 75 140 195 320
Standard 45 85 145 260 360 590
Max 90 175 290 525 720 1185
High Speed 105 210 350 635 875 1430
Nitrogen
(N
2
)
Low Speed 20 40 70 130 180 295
Standard 40 80 135 240 335 550
Max 80 160 270 485 670 1100
High Speed 100 195 325 590 815 1330
Oxygen f
(O
2
)
Low Speed 20 45 75 135 185 305
Standard 40 80 140 250 345 570
Max 85 165 280 505 695 1140
High Speed 105 205 340 610 845 1380
Nitrous oxide
(N
2
O)
Low Speed
20 45 75 140 190 315
Standard 40 85 140 260 355 585
Max 85 170 285 520 715 1170
High Speed 105 210 345 630 865 1420
Other gases on request
Please note:
The area outside the pipeline (ambient area of the sensor) must not be an explosive area.