Calorimetric Flowswitch, Compact Version. Sensor Length = 50 mm. Connection, 3/4" NPT. Output: PNP/

Calorimetric Flowswitch, Compact Version
Model: KAL-K8-4-20-S-PG3
Brand: Kobold
[KAL-K8]:
Operating principle calorimetric
Mounting position all directions
Indication DUO-LED and LED-chain
max. temperature 80 °C (120 °C for KAL-KH)
max. pressure 100 bar
Protection class IP 65
Connection thread NPT
Sensor length (C) = 50 mm
[4]: Probe material, st.st. 1.4571  
[20]: Connection, 3/4"NPT
[S]: Contact version, N/O
[PG3]: Electron. connection/power supply, M 16x1,5 PNP/NPN, 24 VDC  
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Datasheet: http://www.kobold.com/uploads/files/kal-k-gb-flow.pdf