A.3 Technical Data - Siemens SITRANS F FST020 IP65 NEMA 4X Instrucciones De Servicio

A.3 Technical Data
Input
● Flow Range: ± 12 m/s (± 40 ft/s) bi-directional
● Flow Sensitivity: 0.0003 m/s (0.001 ft/s) flow rate independent
Digital Inputs
● Totalizer Hold Optically isolated diode
● Totalizer Reset Optically isolated diode
Output
● Current 4-20mA (Isolated)
● Relay Programmable Form C
● Pulse Rate Optically isolated transistor
Accuracy
● Flow, 0.5 - 1.0% for velocities ≥ 0.3 m/s (1 ft/s)
● 4...20mA ± 1.0% - 2.0% of span for assigned parameters
● Pulse, relay output ±0.5% - 1.0% of flow
● Batch repeatability: ± 0.15%
● Zero Drift: 0.1% of rate: 0.0003 m/s (0.001 ft/s)
● Data refresh rate: 5 Hz
Transmitter Operating Conditions
● Operating Temperature: -10 to 50°C (14°F to 122°F)
● Storage Temperature: -20°C to 60°C (-4°F to 140°F)
● Degree of Protection: IP65/Type 4X/NEMA 4X
FST020 IP65 NEMA 4X Quick Start
Operating Instructions, 08/2014, A5E03086489-AJ
Input voltage: 2-10 VDC
Input voltage: 2-10 VDC
externally powered 10-30 VDC
250mA, 30 VDC, 3 VA max
10mA, 30 VDC, max
Appendix

A.3 Technical Data

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