Weber Weber 4221.8xM S141 flow switch

flow switch with analogue temperature output in a rugged stainless steel version (relay output, VAC, Binder plug) 

4220.8xM S141 - for water-based media
4221.8xM S141 - for oil-based media

Operating principle: calorimetric (thermal)

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

Medium temperature: -20 °C to +80 °C
Protection class: IP67
Options: probe lengths, wetted materials, output configuration
Operating voltage: 90 - 125 VAC
S141 = Binder plug