Operation Manual

Appendix A – Specifications
13 Appendix A – Specifications
13.1 Flow ranges
Flow ranges in sl/min of air at ISO 1217: 20°C and 1000 mbar:
DN8 DN15 DN20 DN25
Size 0 1 2 3
Standard range (S) 250 1000 2000 3500
Low range (L) 50 200 400 700
Flow ranges in sl/min of N
2
at 0°C and 1013.25 mbar:
DN8 DN15 DN20 DN25
Size 0 1 2 3
Standard range (S) 222 890 1780 3110
Low range (L) 44.5 178 356 622
Order Table (Air and N2 only)
Order no. Size Range Output Description
S695 415 S 415, thermal mass flow
meter, 3% o.RDG., 24 VDC
0 DN8 G inner thread
1 DN15 G inner thread
2 DN20 G inner thread
3 DN25 G inner thread
S Standard range version of S415
A1453 L Low range version of S 415
A1450 A Analogue 4 … 20 mA, pulse
A1451 B Digital Modbus/RTU
A1452 C Digital M-Bus
S 415 19