DS21 Differential pressure measuring and switching device
01=Measuring range : 0 … 0.6 bar
0=Application range: Thermal oil DIN 4754-2 / Hot water Flow 100
A=Pressure chamber : Aluminium
20=Process connection: for 6 mm tube
B=Switch output : 2 micro-switch
K=Electrical connection : Cable connection socket
0= Casing protection class : IP55
W=Assembly: Wall mounting
00= FIXED CODE
U0005=Optional information e.g. SIL
