Weber 4320.73M flow switch

Inline flow-switch for liquid media in stainless steel housing with semiconductor output

4320.73M - water-based liquids 
4321.73M - oil-based liquids

Operating principle: calorimetric (thermal) non contact
Protection class: IP67
Pipe sizes: from 8 - 18 mm AISI 316 (other material on request)
Supply voltage: 90 - 250 VAC/DC 

Measuring range:
0 - 20 cm to 0 - 300 cm/s (water)
0 - 30 cm to 0 - 300 cm/s (oil)
fully adjustable