Flow Indicator and Switch with Paddle and Bellows,max. temperature 100 °C ,Connection: for tube nom.

Model: DWU-3-5-W1F-3-R-T-0
Brand: Kobold 
[DWU-3]: 
Operating principle paddle-bellow
Indication pointer indication
Flow direction in direction of the arrow
Output 1 microswitch/SPDT
max. temperature 100 °C 
Connection weld-on flan.
[5]: Material combination: steel
[W1F]: Connection: for tube nom. diam. DN 150 
[3]: Signal lamp: 24 VDC
[R]: Flow direction: flow from right to left 
[T]: Location of indicator: above lead 
[0]: w/o option
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Datasheet: http://www.kobold.com/uploads/files/dwu-gb-flow.pdf