WIKA FSD-3, Operating Instructions Manual

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28 WIKA operating instructions flow switch, model FSD-3
EN
14153887.01 09/2016 EN/DE/FR
9. Specifications
Specifications
Measuring ranges
Flow Water: 5 ... 150 cm/s
Oil: 3 ... 300 cm/s
Temperature (option) -20 ... +85 °C (-4 ... +185 °F)
Digital display
Type 14-segment LED, red, 4-digit, 9 mm (0.35 inch) character size
Illustration 180° rotatable
Output signals
Switching output PNP or NPN
Analogue signal (option) 4 ... 20 mA
Pin assignment see product label
Scaling (temperature) Zero point: -20 ... +5 °C
End value: 60 ... 85 °C
Switching thresholds Switch point 1 and switch point 2 are individually adjustable
Switching functions Normally open, normally closed, window, hysteresis
Freely adjustable
Switching voltage Power supply - 1 V
Switching current max. 250 mA
Switch-on drift 10 s
Settling time Flow (0 ... 100 %, 100 ... 0 %): 6 s
Flow (50 ... 100 %, 100 ... 50 %): 4 s
Temperature t
90
: 4 s
Temperature t
63
: 2 s
Load Analogue signal 4 ... 20 mA: ≤ 0.5 kΩ
Service life 100 million switching cycles
9. Specifications