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Flow measurement: Detects flow rate of compressed gas through the sensor.
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Display type: “L” in the model indicates LCD display, usually showing flow values on the unit itself.
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Bidirectional or unidirectional flow: Determined by a letter following “L”; in this case “U” typically means unidirectional measurement.
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Body and fitting options: Variant codes (like “1B”) specify which port sizes and connection types are used; e.g., push-in fittings or threaded ports.
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Analog + Switch outputs: Output options include an analog signal proportional to flow and one or two switch outputs for threshold detection.
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Compact & environment resistant: Designed to be small, lightweight, and resistant to dust/water (often to IP65 grade).
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Multiple gas compatibility: Standard models work with compressed air and various inert gases.
Typical Technical Specs (based on FSM3 series general data)
Measured Medium: Air, N₂, Ar, CO₂, and certain mixed gases
Display: LCD (digital readout of flow)
Output signals:
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Analog output: typically 1–5 V (or 4–20 mA) proportional to flow
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Switch output: one or two outputs for threshold detection
Operating environment: Suitable for industrial use; some variants have IP65 protection
Response time: ~50 ms (fast response)
Flow direction: Commonly U = Uni-direction (only measures in one direction)
