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9. Specifications
Specifications
Voltage supply
Power supply
Current consumption
Total current consumption
Accuracy specifications
Non-repeatability
Accuracy at reference conditions
Temperature error at -20 ... +85 °C
(-4 ... +185 °F)
Reference conditions
Ambient temperature
Atmospheric pressure
Humidity
Medium
Power supply
Mounting position
Load
WIKA operating instructions flow switch, model FSD-3
All manuals and user guides at all-guides.com
DC 15 ... 35 V
Switching output with analogue signal: 175 mA
■
Switching output without analogue signal: 150 mA
■
max. 650 mA including switching current
Flow (5 ... 100 cm/s): ±2 cm/s
Temperature: 0.5 K
Flow (5 ... 100 cm/s): ≤ ±5 % of end value of measuring range
Flow (>100 ... 175 cm/s): ≤ ±10 % of end value of measuring range
Temperature: ≤ ±1,5 K
Including non-linearity, hysteresis, zero offset and end value deviation (corresponds to
measured error per IEC 61298-2).
The accuracy of the flow switch is dependent on the thermal conductivity and the contamination
of the probe.
≤ ±0.4 cm/s per K
15 ... 25 °C (59 ... 77 °F)
860 ... 1,060 mbar (12.47 ... 15.38 psi)
45 ... 75 % r. h.
Water
DC 24 V
Process connection M18 x 1.5 downwards
Inner diameter of pipe 26 mm
Upstream/Downstream pipe: 1 m / 0.5 m
Marking towards the upstream side twist of ±5°
100 Ω
EN
29
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