IFM SI5006 Thermal Flow Sensor Overview
The IFM SI5006 is a high-precision thermal flow switch engineered by IFM Electronic for monitoring liquid and gaseous media in industrial piping systems. Built with a robust housing and a fast-response sensing tip, this unit ensures reliable process monitoring and integrated temperature detection.
Technical Specifications & Electrical Data
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Manufacturer: IFM Electronic
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Part Number: SI5006
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Operating Voltage: 19…30 V DC (to SELV/PELV)
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Current Consumption: < 50 mA
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Protection Class: III
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Electrical Design: DC PNP
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Output Function: Normally open / normally closed programmable
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Max. Voltage Drop: 2.5 V DC
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Permanent Current Rating: 250 mA DC
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Short-Circuit & Overload Protection: Yes (pulsed)
Application & Measuring Range
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Media Compatibility: Water, glycols, oils, and air
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Setting Range for Liquids: 3…300 cm/s
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Setting Range for Gases: 200…2000 cm/s
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Medium Temperature Range: -25 °C to 80 °C
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Pressure Rating: Up to 30 bar
Outputs & Accuracy
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Switching Output: 1 digital switching output (flow or temperature)
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Repeatability: 1…5 cm/s
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Switch Point Accuracy: $\pm 2…\pm 10$ cm/s
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Power-on Delay Time: 10 s
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Response Time: 1…10 s
Mechanical Design & Environmental Ratings
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Enclosure Protection: IP67
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Housing Material: Stainless steel (316L / 1.4404); PBT-GF20; O-ring: FKM
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Process Connection: G 1/4 internal thread
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Ambient Temperature Range: -25 °C to 80 °C (operation)
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Weight: 114 g
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Electrical Connection: M12 connector (A-coded, 4-pole, gold-plated contacts)
