Weber 3205.31/xx flow meter

3205.30/xx: current output (4 - 20 mA)
3205.31/xx: voltage output (0.1 - 10 V)

Operating principle: calorimetric (thermal mass)
Measuring range: 0 - 5 m/s to 0 - 50 m/s, fully adjustable
Pipe connection: 1" weld fitting  
Supply voltage: 18 - 30 VDC

Options:
S102: high temperature up to 100 °C
S113: ozone resistant moulded in Termix
S115: longer housing
S134: with position slot