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Technical information / Functioning / Parameters
Example: dSt with
window function:

Technical data

1
2
3
Q
SP
rP
3%
dSt
1
0
1
0
flow reaches 3% of the final value (FV) → dSt starts, the output
1
becomes active
dSt has elapsed, flow has reached the acceptable range → the output
2
remains active
flow exceeds SP (leaves the acceptable range) → the output is reset
3
flow falls below SP again → the output becomes active again
4
flow falls below rP (leaves the acceptable range) → the output is reset
5
again
flow reaches 3% of the final value again → dSt starts, the output
6
becomes active
dSt has elapsed, flow has not reached the acceptable range → the
7
output is reset
flow reaches acceptable range → the output becomes active
8
Application . . . . . . . . . . . . . . . . . . . . . . . . . . monitoring of cooling water
Operating voltage [V] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 ... 28 DC
Current rating [mA] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 x 250
Voltage drop [V]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 2
Current consumption [mA] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 60
Analog output . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 ... 20 mA / 0 ... 10 V
Max. load current output [Ω]
Min. load with voltage output [Ω] . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000
Medium temperature [°C]
Operating temperature [°C]
Pressure rating [bar] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Measurement error [% of measured value]. . . . . . . . . . . . . . . . . . . . . < ± 3
Power-on delay time [s] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Start-up delay [s] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 ... 50
Response time [s] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ... 3
Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IP 65 / III
Materials (wetted parts) . . gunmetal (2.1096.01), stainless steel (316L), PPR
. (Hostalen); EPDM 80 shore; PES (Ultrason 2010); CuZn39Pb3; Centellen 200
Housing material . . . . . . . . . . . . . . . . . . . . . . . . . . . . CuZn39Pb3, ABS, PA
4
5
6
dSt
short-circuit prot., reverse polarity / overload prot.
7
8
t
Fno
Fnc
Measuring range scalable
500
+5 ... +80
+10 ... +60
Page 29

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